City-by-city SEO
RankGuarantee™ builds a landing page for each service in each city you serve, so a search for your service in a St. Louis County town finds a page written for it. How it works.
St. Louis County, MO · SEO Services
SEO Services for Every City in St. Louis County, MO
Each market changes how SEO should be done, and St. Louis County, MO has 47 places of 2,500 or more residents. GetPhound builds local SEO for St. Louis County, MO businesses: a page for each service in each city, plus Google Maps optimization and AI search visibility, from $495 a month without a contract.
Market snapshot
St. Louis County, MO's Local Search Competition Index and What Sits Behind It
Local Search Competition Index
73.3/ 100
Ranked 197 of 1,822 counties with 20,000+ residents and 81 of the 400 markets we cover. Higher means more local businesses competing for the same searches. How the index is built
We score every U.S. county-equivalent with 20,000 or more residents on how many local-search businesses (the lawyers, dentists, contractors, restaurants, salons and agents that customers find on Google and the map) compete for its residents. St. Louis County, MO scores 73.3, which is more contested than most.
Two features set St. Louis County, MO apart: it is a county with many sizeable cities and towns, and it is also a county with unusually many local-search businesses for its size. The eight measures below show how it compares with each other county.
- Population movement since 2020 -1.7% Less growth than 86% of counties
- Median household income (2023 est.) $81,631 Greater than 81% of counties
- Businesses that live on Google and the map, per 10,000 residents 66.1 Heavier than 88% of counties
- How those businesses changed, 2017 to 2022 -2.4% A slower pace than 76% of counties
- Portion with under 5 employees 57.7% Smaller share than 55% of counties
- Growth in employer locations across every industry, 2017 to 2022 +1.6% A slower pace than 59% of counties
- Places with 2,500 or more residents 47 More cities and towns than 100% of counties
- New-home permits per 10,000 residents (2025) 8 Less construction than 86% of counties
Each bar places St. Louis County alongside all 1,822 U.S. counties with 20,000 or more residents. Source data: Census Bureau population estimates, County Business Patterns (2017 and 2022), Census income estimates and the Building Permits Survey.
What shapes local search here
St. Louis County, MO Is Many Search Markets, Not One
St. Louis County, MO has 47 places with 2,500 or more residents, 21 of them above 10,000, more than 100% of counties. Each is its own search market: people look for a plumber in Florissant or in the next town over, not in the county. Local SEO means giving each of those cities its own page for each service you offer, which is what RankGuarantee™ is built to produce.
St. Louis County, MO has 987,059 residents, which ranks 51st of 3,143 U.S. counties; its population has moved −1.7% since the 2020 Census. Across all industries it has 31,107 employer locations, 31.5 per 1,000 residents.
32% of residents (315,890 people) live outside any incorporated place, so county-level and "near me" searches matter as much as city names.
Your competition
St. Louis County, MO Local Search Competition by Category
Here is how St. Louis County, MO compares with the typical U.S. county for fifteen categories that live on Google and the map: the number of locations, how that number has moved, and how many are very small.
Line of businessBusiness locationsDensity vs. a typical countyShift, 2017 to 2022Locations under 5 staff
Physicians officesBusiest 1,041 +1.4% 558
Law offices 653 -6.2% 483
Beauty salons 344 +2.1% 196
Real estate agents and brokersFastest growing 523 +13% 464
Insurance agencies and brokerages 723 -7.9% 536
Accounting and CPA firms 234 -1.3% 145
Janitorial services 275 -3.2% 146
Dentists 492 -11.2% 168
Roofing contractors 86 +4.9% 46
Residential remodelers 381 +4.7% 295
Landscaping services 359 -4.8% 230
Full-service restaurants 706 -4.5% 143
General automotive repair 266 -7.3% 153
Plumbing, heating and air-conditioning contractors 273 -8.4% 127
Electrical contractorsMost room 173 +7.5% 79
Crowding = employer locations per 10,000 residents divided by the median U.S. county of 20,000+ residents (1.0x is typical; the dark tick marks it). The counts are establishments in County Business Patterns (2017, 2022), not a measure of search volume. How we calculate this
The physicians offices category is the most contested in St. Louis County, MO: 1,041 locations, 2.6x the density of a typical county, and up 1.4% since 2017. Law offices (653 locations, 2.3x) and beauty salons (344 locations, 2.2x) also run above a normal county. The electrical contractors category is the least contested here at 0.8x typical (173 locations), so there are fewer rival pages for those searches.
Real estate agents and brokers grew fastest, up 13% since 2017 to 523 locations, so new rivals keep arriving there. Dentists went the other way, down 11.2% to 492 locations. The tiniest competitors are in real estate agents and brokers: 464 of 523 locations (89%) have fewer than five employees.
Keep in mind that this is a count of local businesses. It tells you nothing about search volume or how quickly a site can climb, and we do not guess at either; it tells you how many other sites you would be sharing the results with.
New construction
New Homes in St. Louis County, MO: Below the 2022 Peak, Turning Up This Year
New housing units authorized by building permits. Data: U.S. Census Bureau Building Permits Survey (county annual files, and the year-to-date bars compare the same months each year). Permits are authorizations, not completed homes.
St. Louis County, MO authorized 1,777 housing units in 2022 and 787 in 2025, about 56% fewer; 2025 still works out to 8 units per 10,000 residents, less than in 86% of counties. For January through August, permits are running at 729 against 554 a year earlier (+31.6%).
The construction-linked categories already most contested in St. Louis County, MO are real estate agents and brokers (2.1x typical) and insurance agencies and brokerages (2.0x typical). SEO takes time to build, so start before the demand shows up; pages that are already indexed and ranking meet new households first.
Markets like this one
St. Louis County, MO Next to Its Closest Look-Alikes
We matched St. Louis County, MO to the six markets in our 400-market set that look most like it on population, income, local-search competition and how fast the business base is growing.
| County | LSCI | Population | Change since 2020 | Change in local-search businesses since 2017 | Tiny locations |
|---|---|---|---|---|---|
| St. Louis County, MO (this market) | 73.3 | 987,059 | -1.7% | -2.4% | 57.7% |
| Baltimore County, MD | 69.2 | 844,703 | -1.2% | -3% | 58.2% |
| Multnomah County, OR | 68.9 | 789,698 | -3.2% | -5.9% | 56.7% |
| Allegheny County, PA | 73.7 | 1,224,825 | -2.1% | -2% | 54.8% |
| Oakland County, MI | 73.7 | 1,270,426 | -0.3% | -0.3% | 56.4% |
| Monroe County, NY | 62.8 | 748,482 | -1.4% | -3.2% | 57.6% |
| Erie County, NY | 64.5 | 946,147 | -0.8% | -4.7% | 56.9% |
Look-alikes are the six counties in our 400-market set closest to this one on size, income, local-search competition, small-business mix and growth. Sources as above.
Baltimore County, MD is the closest match, scoring 69.2 against St. Louis County, MO's 73.3. Monroe County, NY is the furthest from it, scoring 62.8. Allegheny County, PA has 54.8% of its local-search locations under five employees against 57.7% in St. Louis County, MO. Already investing in SEO in one of these places? The comparison shows how similar the competition is, not what your results will be.
Where the customers are
The Cities and Towns in St. Louis County, MO
The Census Bureau's latest estimates, by place. People search by town name, so each of these is a separate set of searches and a possible landing page for each service you offer.
| Community | Population (2023 est.) | Percent of the county |
|---|---|---|
| Florissant | 51,128 | 5% |
| Chesterfield | 49,166 | 5% |
| Wildwood | 34,851 | 4% |
| University City | 34,096 | 3% |
| Ballwin | 30,410 | 3% |
| Kirkwood | 29,174 | 3% |
Data: U.S. Census Bureau Population Estimates. Places here means cities, towns and census-designated places; where a city spills into a neighboring county, only the part inside St. Louis County is counted.
Do the math
Work Out What SEO Has to Earn for You to Come Out Ahead
SEO is a monthly investment that builds over time, so the useful question is how many new customers it takes to pay for itself. Fill in what a customer is worth to you and pick the plan you are considering.
Our process
Our SEO Process in St. Louis County
Research, audit, plan
We research your services, the cities you serve and who you compete with, review your website from top to bottom, and write a six-month strategy. None of it costs extra.
Build for every city
RankGuarantee™ produces a landing page for every service in every city on your list, and your website gets on-page work and technical fixes.
Maps, content and AI
We polish your Google Business Profile, citations and reviews, add Strategic Content Assets, and organize your pages so AI search can read and use them.
Report and grow
Each month you receive a Search Console and Analytics report from your account manager, and we build more where the numbers show it will help.
What you get
SEO for St. Louis County: City Pages, Google Maps and AI Search
Map SEO
Profile optimization, citations, weekly posts, rank tracking and review management, so you appear in the map results when St. Louis County customers search nearby. More on Map SEO.
AI search (GEO)
We organize your pages and business details so AI tools find clear, consistent facts. A mention in an AI answer cannot be guaranteed by anyone; this improves the odds.
Technical, on-page and content
Technical fixes, on-page work and written content that answers real customer questions, published monthly on every Organic Growth plan.
SEO services, an SEO agency, an SEO company, local SEO, organic search, search engine optimization: different words for the same work of getting St. Louis County businesses found on Google, Maps and AI search. Want ads as well? We manage Google, Bing and Meta (Facebook and Instagram) too, and you keep one account manager and one monthly report.
Plans
What SEO Costs in St. Louis County
There is no setup fee and no contract on any plan. Onboarding comes with the monthly rate: research, an audit and a six-month plan. Walk through it with our CEO.
Questions we hear
St. Louis County, MO SEO Services: Your Questions Answered
What does an SEO agency charge in St. Louis County, MO?
We bill one flat monthly fee with no setup fee and no contract: $495 for RankGuarantee™ landing pages, or $1,495, $2,495 or $3,495 for the Silver, Gold and Platinum Organic Growth plans. A fully managed, custom-built website comes with Gold and Platinum.
How long does SEO take to work in St. Louis County, MO?
SEO builds over time and no one can promise a date. How quickly pages climb depends on the competition in your category, the strength of your website and Google Business Profile, and how much we can build. In St. Louis County, MO, physicians offices is especially contested (2.6x a typical county), so expect that category to take longer. We plan in six-month cycles, with no contract, and report monthly.
Is St. Louis County, MO a competitive market for SEO?
More than most. St. Louis County, MO scores 73.3 on our Local Search Competition Index, ranking 197th of 1,822 counties with 20,000+ residents and 81st of the 400 markets we cover. Physicians offices is the densest category here, at 2.6 times the typical county. Fewer than five employees work at 57.7% of local-search locations, which frequently means thin websites to outrank. That makes city-and-service pages and strong reviews more important, not less.
Which local businesses compete for search in St. Louis County, MO?
Across the fifteen categories we track, the largest by employer locations in St. Louis County, MO are physicians offices (1,041), insurance agencies and brokerages (723) and full-service restaurants (706). Measured against a typical county, the most contested are physicians offices (2.6x) and law offices (2.3x). A large or crowded category does not settle whether SEO will work for you; it shows how many other sites you would be sharing the results with.
Which cities in St. Louis County, MO would you build pages for?
Whichever ones you cover. St. Louis County, MO has 47 places of 2,500 or more residents, led by Florissant, Chesterfield, Wildwood, University City and Ballwin. RankGuarantee™ builds local landing pages for each service in each city you serve (25 new pages a month on the $495 plan, 25 to 100 on Organic Growth), so the plan follows your service area, not the county line.
Can you help me rank in the Google Maps results?
We do. Every Organic Growth plan includes Google Business Profile optimization, citations and review management, together with on-page and technical SEO, strategic content and AI search (GEO) work. Maps rankings carry the most weight for "near me" searches, and much of what people search for in St. Louis County, MO depends on them.
Will SEO help my business appear in AI answers like ChatGPT and Google's AI Overviews?
It can. AI search (GEO) optimization is part of our plans: clean, structured pages and consistent business information give AI tools more to draw on. Nobody can guarantee an AI mention, and we do not promise one, but the work that earns rankings also builds the content those tools use.
SEO or Google Ads: which is right for a St. Louis County, MO business?
Usually a mix of both. Google Ads can send calls within days and costs per click; SEO takes longer to build and keeps working without a per-click charge. When you need leads right away, begin with ads (we manage Google Ads, Bing and Meta too) and let SEO build the asset that reduces your reliance on them.
Do you require a contract, and what does the monthly fee cover?
There is no setup fee, and you can cancel anytime. Each month you get the keyword research, website audit and six-month strategy up front, then the pages and content in your tier, rank tracking, and one account manager who knows your St. Louis County, MO business.
Around St. Louis County
Serving Nearby Counties
Do your customers live outside St. Louis County, MO? These counties are the closest, measured from center to center:
- St. Louis, MO: around 11 miles from here, 281,754 residents, Local Search Competition Index 52.8
- St. Charles County, MO: roughly 16 miles out, 416,659 residents, competition index 62
- Jefferson County, MO: about 27 miles from here, 231,230 residents, competition index 49.4
- Monroe County, IL: roughly 29 miles out, 34,957 residents, competition index 71.7
- St. Clair County, IL: roughly 30 miles from here, 251,018 residents, Local Search Competition Index 52.2
- Jersey County, IL: about 31 miles out, 21,091 residents, index score 45.1
About this page
How This St. Louis County Page Was Built
Each number on this page is taken from public Census Bureau data, computed the same way for every county, so you can compare St. Louis County with any other market. We do not use client account data, and we do not publish search volumes, traffic or ranking results for GetPhound clients, because results differ by business.
- Last updatedOctober 16, 2026
- DataPopulation Estimates (2023), County Business Patterns (2017, 2022), income estimates from the Small Area Income and Poverty Estimates program (2023), the Building Permits Survey (2021 to 2026 year to date), Gazetteer files.
- How it worksThe Local Search Competition Index and the figures derived from it are explained on the method page. Browse all markets in the index.
- Found an error?Noticed a mistake? Email hello@getphound.com and we will check it against the source.
Start a Conversation
Ready to Grow Your St. Louis County, MO Business With SEO?
Tell us what you sell and which parts of St. Louis County, MO you serve. We will show you what an SEO plan looks like for your business. To book a strategy session with our CEO, call 610-825-4363 or email hello@getphound.com.