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Web design and SEO in St. Louis County, MO
Websites, local SEO and AI search for small businesses in St. Louis County, including Florissant, Chesterfield and Oakville. Plans start at $199 a month with no setup fee, and your site launches in 3 to 6 weeks.
Who we build for in St. Louis County
Utilities
A good site has to make service requests and emergency contacts easy to find.
Professional Services
A good site has to show your credentials and make booking a consultation easy.
Finance & Insurance
A good site has to build trust with clear credentials and an easy way to book a consultation.
What St. Louis County's numbers mean for your website
18.7% of St. Louis County residents are 65 or older, a larger share than in most counties we serve.
Nationally, 78% of adults 65 and older own a smartphone (Pew Research Center, 2025).
Every plan includes custom design (mobile-first) and tap to call on every page, and every site meets Lighthouse 95+ performance at launch.
Median household income in St. Louis County is about $84,000.
Nationally, 96% of adults in households earning $70,000 to $99,999 own a smartphone, and 88% have home broadband (Pew Research Center, 2025).
We build light pages that load fast on a phone or a slower connection. Online estimate requests are included in every plan.
St. Louis County has 43 cities of 5,000 or more people, including Florissant, Chesterfield and Oakville.
Nationally, there was a 19% fall in "near me" searches from 2021 to 2024 as search engines work out local intent on their own (BrightLocal, 2025).
Service-area pages for your main cities count toward your page budget. Page budgets by plan.
Source: U.S. Census Bureau, American Community Survey 5-year estimates.
Client work near St. Louis County
Featured sites we built for businesses in this area, with the plan each one is on.
| Client | Plan | Lighthouse after launch |
|---|---|---|
| B. Woody's Tree ServiceTree service | Stand Up | 96 performance, 100 SEO |
| Archer SpacesHome organization | Stand Up | 99 performance, 100 SEO |
What you get in St. Louis County
- Plans from
- $199/mo on a 2-year term
- Setup fee
- None
- Launch
- 3 to 6 weeks
Hosting, SSL and monthly maintenance are included, with up to 8 content pages on the lowest plan. Site design licensed. Domain and content owned by client.
Will it pay for itself?
About the St. Louis County market
Whether you run an agribusiness consultancy in Creve Coeur or a healthcare practice anywhere across St. Louis County, you're doing business at the center of Missouri's economy. The 39 North AgTech District in Creve Coeur clusters Bayer, the Donald Danforth Plant Science Center, and a wide range of agricultural science companies, making this county a hub for plant science and life sciences innovation.
Whether you run a local auto shop in Hazelwood or a precision parts supplier anywhere across St. Louis County, you're operating in the shadow of Boeing's Missouri facility in Berkeley, where defense and commercial aircraft are built. Manufacturing is a major part of the county's economy, and suppliers to Boeing, Emerson Electric, and other industrial anchors form a dense ecosystem of small and mid-size businesses competing for visibility online.
Whether you run a medical staffing agency in Clayton or a home health care practice anywhere across St. Louis County, you're serving the healthcare and social assistance sector, a major source of jobs across the region. Centene Corporation, headquartered in Clayton, anchors a broader managed-care economy that draws insurers, billing specialists, and patient-support vendors who all need a credible digital presence to win referral relationships.
St. Louis County is the biggest piece of the St. Louis metro, which has a population of 2,810,850. The county has 995,569 residents and 43 cities of 5,000 or more, served by 46 ZIP codes. Florissant has 51,773, Chesterfield has 49,574, Oakville has 35,333, Wildwood has 35,133 and University City has 34,685. Ballwin, Mehlville, Kirkwood, Maryland Heights, Hazelwood and Webster Groves follow. Clayton and Ladue are smaller but well known, so a business there may want its own page.
Healthcare stands out. The county counted 30,173 business establishments in 2022, and Healthcare has 6,169 of them, about 62 per 10,000 residents, far ahead of Professional Services at 3,444 and Retail Trade at 3,243. Other Services has 2,643, Finance & Insurance has 2,530 and Hospitality & Food has 2,214. If you are in healthcare, you are in the most crowded category in the county, and detail about your specialty, location and hours can help you stand apart. Utilities, Professional Services and Finance & Insurance are among the better-paid industries.
Homeownership is 69%, in the middle of the counties we serve, and the median age is 40.2, higher than most. Residents aged 65 and over are 18.7% of the county. Household incomes are in the middle, though the most common income bracket is the top one. That suggests a site should be easy to read and easy to use for older visitors while still working well on a phone. Our nearest project is B. Woody's Tree Service in St. Charles, and we also built Archer Spaces, a home organization business serving St. Charles and St. Louis County. Current plans are on the plans page.
- Population
- 995,569
- Metro area
- St. Louis
- ZIP codes served
- 46
- Highest-earning industry
- Utilities
Source: U.S. Census Bureau, American Community Survey 5-year estimates. Sources for each figure are listed under the full market data.
Full market data
Local market data
St. Louis County, MO. Census and industry figures, each with its source.
| Measure | St. Louis County |
|---|---|
| People and households, St. Louis County | |
| Population1 | 995,569 |
| Median household income12 | About $84,000 |
| Households that own their home1 | 69% |
| Median age1 | 40.2 |
| Cities of 5,000+1 | 43 |
| ZIP codes we serve3 | 46 |
| Metro | |
| Metro area1 | St. Louis, MO-IL |
| Metro population1 | 2,810,850 |
| Median earnings by industry, St. Louis County | |
| Utilities1 | $94,153 |
| Professional Services1 | $90,763 |
| Finance & Insurance1 | $83,793 |
- 1.U.S. Census Bureau, American Community Survey 5-year estimates (latest release in our data, 2023 to 2024), via Data USA.
- 2.Median household income is our estimate from the census household income brackets: the bracket holding the middle household, interpolated within that bracket.
- 3.ZIP codes linked to the county's cities in the Census ZIP Code Tabulation Area relationship files.
ZIP codes we serve in St. Louis County
63123, 63005, 63011, 63017, 63021, 63136, 63137, 63138, 63042, 63114, 63121, 63134, 63140, 63033, 63117, 63119, 63144, 63043, 63044, 63045, 63074, 63141, 63146, 63105, 63124, 63130, 63128, 63129, 63122, 63126, 63127, 63132, 63131, 63038, 63135, 63031, 63125, 63088, 63143, 63034, 63133, 63026, 63049, 63025, 63040, 63069
Cities we serve in St. Louis County
We work with businesses in every community of 5,000 or more people in St. Louis County, MO, and the smaller communities around them.
- Florissant
- Chesterfield
- Oakville
- Wildwood
- University City
- Ballwin
- Mehlville
- Kirkwood
- Maryland Heights
- Hazelwood
- Webster Groves
- Old Jamestown
- Affton
- Creve Coeur
- Concord
- Ferguson
- Manchester
- Spanish Lake
- Clayton
- Lemay
- Overland
- Jennings
- St. Ann
- Crestwood
- Town and Country
- Bridgeton
- Bellefontaine Neighbors
- Ellisville
- Des Peres
- Richmond Heights
- Sunset Hills
- Ladue
- Olivette
- Maplewood
- Brentwood
- Berkeley
- Sappington
- Valley Park
- Black Jack
- St. John
- Shrewsbury
- Glendale
- Glasgow Village
Questions from St. Louis County, MO
What web design and SEO services are available for St. Louis County businesses?
Untap Web offers two subscription plans for St. Louis County businesses. The Stand Up plan covers a professional website with local schema markup, with SEO and AI search set up at launch. The Growth plan adds a larger page budget, area pages built from census data, monthly SEO and AI search work, and Google Business Profile management. Both plans include on-page SEO from day one, and current page budgets and prices are on the plans page.
How much does on-page SEO cost for a small business in St. Louis County?
On-page SEO is included in both Untap Web subscription plans rather than billed as a separate service. It covers title tags, meta descriptions, heading hierarchy, internal linking, and local schema markup across every page. On Stand Up it is set up at launch; on Growth it is kept current every month along with the monthly post and Google Business Profile management. Current plan prices are on the plans page.
Why do businesses in St. Louis County need local SEO to compete online?
St. Louis County is one of Missouri's most competitive markets, with over 1 million residents and thousands of local businesses across Clayton, Chesterfield, Kirkwood, and Florissant. Without local SEO, a business's website may rank for its own name but miss the geo-modified searches, such as 'plumber near me' or 'best restaurant in Chesterfield', that drive ready-to-buy customers.
Reviewed by Chris Melson, Founder & CEO, October 5, 2026
Other counties in the St. Louis metro
| County | Population |
|---|---|
| St. Charles County, MO | 414,535 |
| St. Louis city, MO | 288,512 |
| Madison County, IL | 264,238 |
| St. Clair County, IL | 253,694 |
| Jefferson County, MO | 229,458 |
Get a bid for your St. Louis County business
Pick a plan and the features you need in the bid builder. We built B. Woody's Tree Service in St. Charles, MO. Stand Up and Growth have fixed prices, so your bid is instant. Custom work is reviewed by Chris, who gets in touch to talk it through.
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