Local SEO pages
RankGuarantee™ creates a page for each service in every city you serve, so a search for your service in a St. Clair County town meets a page built for it. About RankGuarantee™.
St. Clair County, IL · SEO Services
SEO Agency for St. Clair County: A Page for Every Town You Serve
St. Clair County has 15 places of 2,500 or more residents, which shapes how SEO should be built here. GetPhound is a search engine optimization agency for small businesses: pages for each city you serve, Google Maps and AI search work, and flat monthly plans with no contracts. The data behind the St. Clair County market follows.
Snapshot
St. Clair County's Local Search Competition Index and What Sits Behind It
Local Search Competition Index
52.2/ 100
Sitting at rank 807 of 1,822 counties with 20,000+ residents and also 301 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. Clair County scores 52.2, which is close to the middle of the pack.
Two things stand out about St. Clair County: it is a county with many sizeable cities and towns, and it is a county whose population is flat or shrinking. The eight measures below show how it compares with each other county.
- Change in population since 2020 -2.5% A slower pace than 92% of counties
- Middle-of-the-road household income (2023 est.) $66,007 Smaller than 51% of counties
- Local-search businesses per 10,000 residents 44.4 More packed than 52% of counties
- Growth in those businesses, 2017 to 2022 -4.5% Behind on growth than 82% of counties
- Portion with under 5 employees 56.3% Lower share than 63% of counties
- How all employer locations changed, 2017 to 2022 -4.1% A slower pace than 91% of counties
- Places with 2,500 or more residents 15 More towns than 96% of counties
- Housing permits per 10,000 residents in 2025 17.2 Lighter building than 68% of counties
Each bar places St. Clair County alongside all 1,822 U.S. counties with 20,000 or more residents. Sources: Census Bureau population estimates, County Business Patterns (2017 and 2022), Census income estimates and the Building Permits Survey.
Market profile
St. Clair County Is Many Search Markets, Not One
Many towns, many searches: St. Clair County counts 15 places of 2,500 or more residents (7 above 10,000), more than 96% of counties. Searchers use town names, so a business that serves several of them needs a page for each service in each town, not one page for the whole county.
St. Clair County has 251,018 residents, which ranks 288th of 3,143 U.S. counties, with population change of −2.5% since the 2020 Census. Across all industries it has 5,030 employer locations, 20.0 per 1,000 residents.
20% of residents (50,146 people) live outside any incorporated place, so county-level and "near me" searches matter as much as city names.
The field you would rank in
Which St. Clair County Categories Are Most Contested in Local Search
Here is how St. Clair County compares with the typical U.S. county for fifteen categories that live on Google and the map: how many locations there are, how that has changed, and how many are very small.
Line of businessBusiness locationsCompared with a typical countyChange from 2017 to 2022Locations with under 5 employees
Law officesMost contested 123 -15.2% 79
Janitorial services 55 -1.8% 30
Physicians offices 128 +14.3% 53
Roofing contractors 18 +28.6% 7
Landscaping services 95 -2.1% 72
Insurance agencies and brokerages 101 -14.4% 82
Dentists 77 -11.5% 21
General automotive repair 68 -12.8% 44
Residential remodelers 78 +9.9% 62
Full-service restaurants 158 -4.2% 30
Accounting and CPA firms 28 -12.5% 13
Real estate agents and brokersFastest growing 57 +16.3% 53
Beauty salons 33 -25% 20
Plumbing, heating and air-conditioning contractorsLeast contested 60 -6.2% 38
Electrical contractors 35 +0% 23
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). Counts are establishments from County Business Patterns (2017, 2022), not a measure of search volume. See the method
In St. Clair County, the law offices category is the most contested, with 123 locations at 1.7 times the typical density, down 15.2% since 2017. Janitorial services (55 locations, 1.4x) and physicians offices (128 locations, 1.3x) also run above a normal county. At the other end, the plumbing, heating and air-conditioning contractors category (60 locations) is below typical density at 0.7x, which means fewer competing sites to outrank.
Real estate agents and brokers grew fastest, up 16.3% since 2017 to 57 locations, so new rivals keep arriving there. Law offices went the other way, down 15.2% to 123 locations. The tiniest competitors are in real estate agents and brokers: 53 of 57 locations (93%) have fewer than five employees.
This is a headcount 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 shows how many other sites would be in the results with you.
New construction
St. Clair County Housing Permits Since 2022: Down From the High, Still Slowing This Year
New housing units authorized by building permits. Source: the U.S. Census Bureau's Building Permits Survey (county annual files, and the year-to-date bars compare the same months each year). A permit is an authorization, not a finished home.
St. Clair County authorized 852 housing units in 2022 and 433 in 2025, about 49% fewer; 2025 still works out to 17.2 units per 10,000 residents, less than in 68% of counties. For January through August, permits are running at 301 against 358 a year earlier (−15.9%).
The construction-linked categories already most contested in St. Clair County are landscaping services (1.2x typical) and insurance agencies and brokerages (1.1x typical). Since rankings build slowly, rising permits are a reason to start today, and falling permits are a reason to emphasize repair, replacement and service-specific pages.
Comparable counties
Six Counties That Resemble St. Clair County
These six counties are the nearest matches to St. Clair County in our 400-market set when we compare size, income, local-search competition, small-business mix and growth together.
| Market | Score | Population | Population change since 2020 | How local businesses changed since 2017 | Share under 5 employees |
|---|---|---|---|---|---|
| St. Clair County, IL (you are here) | 52.2 | 251,018 | -2.5% | -4.5% | 56.3% |
| Broome County, NY | 52.1 | 196,077 | -1.3% | -5% | 54.5% |
| Madison County, IL | 57.9 | 262,752 | -1.2% | -3.6% | 56.5% |
| Jefferson County, TX | 48.4 | 251,496 | -2% | -5.6% | 54.7% |
| Winnebago County, IL | 61.9 | 280,922 | -1.5% | +0.4% | 58.6% |
| Shawnee County, KS | 55.4 | 177,746 | -0.6% | -2.3% | 57.2% |
| Oneida County, NY | 53 | 227,555 | -2% | -5.3% | 60.7% |
The six look-alikes are the counties in our 400-market set that sit closest to this one on size, income, local-search competition, small-business mix and growth. Sources are listed above.
Broome County, NY is the closest match, scoring 52.1 against St. Clair County's 52.2. Winnebago County, IL is the furthest from it, scoring 61.9. Oneida County, NY has 60.7% of its local-search locations under five employees against 56.3% in St. Clair County. Already investing in SEO in one of these places? The comparison shows how similar the competition is, not what your results will be.
Communities
The Cities and Towns in St. Clair County
Here is each place's population, taken from the Census Bureau's newest estimates. 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.
| Place | Residents (2023 estimate) | Portion of county population |
|---|---|---|
| Belleville | 40,726 | 16% |
| O'Fallon | 31,968 | 13% |
| East St. Louis | 17,642 | 7% |
| Cahokia Heights | 17,114 | 7% |
| Fairview Heights | 16,125 | 6% |
| Shiloh | 14,736 | 6% |
Source: the Census Bureau's Population Estimates. Places here means cities, towns and census-designated places; where a city spills into a neighboring county, just the portion inside St. Clair County is counted.
Try your own figures
An SEO Payback Calculator for St. Clair County Businesses
SEO is a monthly investment that builds over time, so the question that matters is how many new customers it must bring in to cover itself. Tell the calculator what a customer is worth and which plan you are weighing.
Step by step
How We Run SEO for St. Clair County Businesses
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 roadmap. It all comes with your monthly rate.
Publish local pages
Our RankGuarantee™ system builds a local landing page for each service in every city you cover, and your website gets technical repairs and on-page upgrades.
Beyond the website
We tune your Google Business Profile, citations and reviews, publish Strategic Content Assets, and lay out your pages so AI search can read and use them.
Measure and add more
You get monthly reporting from Search Console and Analytics with your account manager, and we add pages and content where the data says to.
The pieces of SEO
SEO Services for St. Clair County: Local SEO, Google Maps and AI Search
Map SEO
Profile optimization, citations, weekly posting, rank tracking and review management, so you show up in the map results when St. Clair County customers search nearby. About Map SEO.
AI search optimization
Clear, structured pages and consistent business details give AI tools facts to draw on. A mention in an AI answer cannot be guaranteed by anyone; this improves the odds.
Content and on-page SEO
Technical fixes, on-page work and written content that answers real customer questions, published monthly on every Organic Growth plan.
SEO agency, SEO company, SEO services, local SEO, search engine optimization: all describe the work of getting St. Clair 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.
Monthly plans
Simple Monthly SEO Pricing in St. Clair County
There is no setup fee and no contract on any plan. Onboarding is built into the monthly rate: keyword research, a website audit and a six-month strategy. Walk through it with our CEO.
Common questions
SEO in St. Clair County: Frequently Asked Questions
How much do SEO services cost in St. Clair County?
You pay a flat monthly fee. RankGuarantee™, our system for local landing pages, is $495 a month on its own. The Organic Growth plans add Google Maps work, AI search optimization, content and more landing pages, and cost $1,495 (Silver), $2,495 (Gold) and $3,495 (Platinum). No setup fee, no contract.
How soon will I see results from SEO in St. Clair County?
No honest SEO provider can give a fixed timeline. Results build gradually and depend on the competition, your website and what we can publish. Law offices is the most contested category in St. Clair County at 1.7x typical, so it is the one to be patient with. We work in six-month cycles, show you the movement each month, and you can cancel anytime.
Is St. Clair County a competitive market for SEO?
About average. St. Clair County scores 52.2 on our Local Search Competition Index, ranking 807th of 1,822 counties with 20,000+ residents and 301st of the 400 markets we cover. Law offices is the densest category here, at 1.7 times the typical county. Fewer than five employees work at 56.3% of local-search locations, which often means thin websites to outrank. That is a case for starting early: consistent SEO tends to hold its position where fewer rivals are building.
Which local businesses compete for search in St. Clair County?
Across the fifteen categories we track, the largest by employer locations in St. Clair County are full-service restaurants (158), physicians offices (128) and law offices (123). Measured against a typical county, the most contested are law offices (1.7x) and janitorial services (1.4x). Size and crowding in a category do not decide whether SEO works for you; it shows how many other sites you would be sharing the results with.
Which cities in St. Clair County would you build pages for?
Whichever ones you cover. St. Clair County has 15 places of 2,500 or more residents, led by Belleville, O'Fallon, East St. Louis, Cahokia Heights and Fairview Heights. 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.
Do you do local SEO and Google Maps optimization?
Yes. Each Organic Growth plan covers Google Business Profile optimization, citations and review management, together with on-page and technical SEO, strategic content and AI search (GEO) work. Maps rankings matter most for searches like "near me", and most of the local categories in St. Clair County rely on them.
Does SEO help me show up in ChatGPT and Google's AI answers?
It may. Our plans include AI search (GEO) optimization: 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 same work that earns rankings builds the content those tools use.
Do I need SEO, Google Ads, or both in St. Clair County?
Frequently both. Google Ads can send calls within days and costs per click; SEO takes longer but keeps working with no per-click charge. If you need leads now, start with ads (we manage Google Ads, Bing and Meta too) and build SEO as the asset that makes you less dependent on ads.
Do I have to sign a contract, and what does the monthly fee include?
Cancel anytime: no contract, no setup fee. Your monthly fee pays for onboarding (keyword research, a website audit and a six-month strategy), the landing pages and content in your plan, page management and rank tracking, and one account manager who sends you a report every month.
Around St. Clair County
Nearby Counties We Serve
Serving people past the edge of St. Clair County? Here are the nearest counties by distance between centers:
- Monroe County, IL: about 19 miles away, 34,957 residents, Local Search Competition Index 71.7
- St. Louis, MO: about 21 miles out, 281,754 residents, competition index 52.8
- Madison County, IL: around 25 miles away, 262,752 people, competition index 57.9
- Clinton County, IL: around 29 miles away, 36,785 residents, Local Search Competition Index 55.9
- Washington County, IL: roughly 29 miles away, 13,536 residents, index score 39.4
- Randolph County, IL: about 29 miles from here, 29,815 residents, competition index 43.9
Behind the figures
The Data Behind This St. Clair County Page
Each number on this page is taken from public Census Bureau data, computed the same way for every county, so you can compare St. Clair County with any other market. We never use client account data and we do not publish search volumes, traffic or rankings from client work, since each business is different.
- UpdatedOctober 16, 2026
- SourcesCensus population estimates (2023), County Business Patterns (2017, 2022), Small Area Income and Poverty Estimates (2023), Building Permits Survey (2021 to 2026 year to date), Census Gazetteer files.
- MethodologyThe Local Search Competition Index and every other figure here are defined on the method page. See every market in the index.
- CorrectionsSee something wrong? Email hello@getphound.com and we will check it against the Census source.
Talk to Us
Ready to Grow Your St. Clair County Business With SEO?
Share what you sell and where in St. Clair County you want customers. We will walk through the plan that fits. Reach us at 610-825-4363 or hello@getphound.com for a strategy session with our CEO.