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St. Louis County is the largest county in Missouri by population and one of the most complicated local geographies in the region. Eighty-eight municipalities, extensive unincorporated areas, independent school and fire districts, major employment centers, mature inner-ring suburbs, postwar neighborhoods, luxury enclaves and newer western development all coexist inside one county boundary.
Live St. Louis County Inventory
Explore current real estate for sale across St. Louis County, including homes, condos, land, multifamily and commercial properties.
Sold St. Louis County Inventory
Explore recently sold real estate, including homes, condos, land, and commercial properties.
Listings show you photographs. Countywide home tours make it easier to compare scale, layout, architecture and housing eras across communities throughout St. Louis County.
St. Louis County Home Tours are on the way. As Archway Abodes adds walkthroughs from St. Louis County, new tours will automatically appear here.
Want to explore beyond St. Louis County? Our Community Home Tours collection brings together video walkthroughs from communities throughout Greater St. Louis, making it easy to compare homes, architecture, layouts and local character across the region.
New St. Louis County walkthroughs will appear here automatically.
St. Louis County surrounds the independent City of St. Louis and stretches from dense, early suburban communities near the city line to major western employment corridors, river valleys, postwar subdivisions and lower-density unincorporated areas. The county's informal regional labels are useful shorthand—but they are not official boundaries.
A broad and diverse northern market shaped by historic Florissant, postwar subdivisions, Lambert-area transportation and employment, aerospace and manufacturing, established municipalities and substantial unincorporated communities.
The county's urban-suburban center includes the county seat, major corporate and institutional employment, walkable older communities, luxury residential areas, transit access and some of the region's most architecturally varied neighborhoods.
A large western suburban system that includes established subdivisions, major employment corridors, newer development, corporate campuses, Chesterfield Valley, Spirit of St. Louis Airport and the county's western edge along the Missouri River.
A mix of incorporated and unincorporated communities with strong postwar housing inventories, older commercial corridors, mature neighborhoods, major parks and recreation, Mississippi- and Meramec-oriented geography, and a wide range of property types.
These eight subjects are the county-scale equivalent of the Explore Community cards used on Kirkwood and Ballwin. Each explains a system that crosses municipal lines and helps make sense of the local markets beneath it.
Understand municipalities, unincorporated communities and the informal regional identities people use when talking about St. Louis County.
Follow the county's housing story from rare early settlement-era buildings through streetcar suburbs, postwar ranches, luxury estates and newer infill.
See how Clayton, the airport corridor, 39 North, Maryland Heights, Chesterfield and other employment centers help shape residential demand.
Understand the interstate ring, major arterial roads, MetroLink, Lambert-area access and the county-owned Spirit of St. Louis Airport.
Learn why school-district boundaries operate independently from municipal and ZIP-code boundaries and how colleges add their own local influence.
Explore the county park system, greenways, lakes, river corridors, trails and major cultural recreation destinations.
From traditional downtowns and neighborhood commercial streets to regional shopping and employment corridors, local life takes many forms.
See how a mostly mature county balances redevelopment, infill, aging commercial areas, housing reinvestment and remaining western growth opportunities.
This is the concept that makes St. Louis County different from most suburban counties: dozens of municipalities and large unincorporated areas share one county while many everyday services are delivered by separate governments and special districts.
A property's municipality, mailing city, ZIP code, public school district, fire district and MLS community label may not all use the same name. That is why this website treats geographic verification as part of the real-estate process rather than assuming one label explains everything.
St. Louis County's 2025 business plan reports 88 municipalities, while nearly one-third of both the county's population and land area remain unincorporated and therefore fall directly under county jurisdiction for many local services.
The City of St. Louis is a separate independent city and has not been part of St. Louis County since the 1876 separation. Clayton became the St. Louis County seat in 1877.
St. Louis County is tied together by a dense road system and several of the metropolitan area's principal highways. I-270 forms a large suburban ring while I-64, I-44, I-55 and I-70 connect the county with St. Louis City and the wider region.
MetroLink's Red and Blue lines serve county destinations including the Lambert airport corridor, University City, Clayton, Richmond Heights, Brentwood, Maplewood and Shrewsbury. St. Louis County also owns and operates Spirit of St. Louis Airport in the Chesterfield area.
St. Louis County is a major employment center in its own right. Census data reports more than 629,000 employees at county establishments in 2023, and the county's job geography extends far beyond a single downtown.
Clayton functions as the county's central business and government district. North County contains major aerospace, advanced-manufacturing, airport and life-science employment. Creve Coeur's 39 North corridor is a major agtech and plant-science center, while Maryland Heights / Westport and Chesterfield contain substantial office, technology, logistics, health-care, retail and corporate employment.
Employment geography influences commute patterns, housing demand and commercial development, but the relationship is not uniform. A buyer working in Clayton may evaluate communities very differently from someone working near Lambert, Westport, Chesterfield or South County. County pages should therefore explain the major employment systems without reducing housing choice to simplistic commute rankings.
This is one of the most important lessons for buyers to understand in St. Louis County. Public school districts are independent governmental entities, and district boundaries can cross municipal, postal and neighborhood labels.
St. Louis County's 2025 business plan counts 23 school-district entities. The Special School District of St. Louis County provides special-education and technical services across 22 local public school districts in the county, with service arrangements extending into a portion of Jefferson County served by Rockwood.
St. Louis County includes or borders major university and college campuses and institutions, including UMSL, Webster University, Maryville University, Logan University, St. Louis Community College campuses and Washington University's Danforth-area presence near the county/city boundary. These institutions influence employment, housing and neighborhood life.
St. Louis County's 2024 business plan counted 68 county parks and 166 miles of trails, in addition to municipal parks, regional greenways and state-managed recreation areas located within or near county communities.
Major county recreation destinations include Creve Coeur Lake Memorial Park, Queeny Park, Jefferson Barracks Park, Faust Park, Lone Elk Park, Suson Park and Laumeier Sculpture Park. The Missouri, Mississippi and Meramec river systems also shape the county's edge and landscape.
St. Louis County does not have one architectural identity. Its housing stock is a record of settlement history, railroad and streetcar growth, automobile-era suburbanization, corporate expansion, luxury development and modern infill.
Florissant, Kirkwood, Webster Groves, Ferguson, University City and other older communities preserve housing and street patterns that predate the postwar suburban boom.
Tudor Revival, Colonial Revival, bungalows, cottages and other early-twentieth-century forms remain prominent in many established central and inner suburban communities.
Ranches, Cape Cods, split-levels, split-foyers and modest traditional homes dominate large portions of North, West and South County.
Ladue, Huntleigh, Town and Country, Frontenac, Westwood and other enclaves include estate properties, architect-designed homes and large lots.
Clayton, Richmond Heights, Brentwood, Creve Coeur and other employment-centered communities include significant attached and multifamily housing alongside detached homes.
Western communities and redevelopment areas continue to add newer subdivisions, replacement homes, mixed-use development and infill even as much of the county remains substantially built out.
These groupings are editorial navigation aids—not official county subregions—and the examples are not exhaustive. The long-term version of this section will be driven directly by the Community Atlas registry and will distinguish municipalities, unincorporated communities and live Community Guides.
Historic communities, postwar suburbs, major airport and employment systems.
County government, corporate employment, older walkable suburbs, luxury communities and transit.
Established subdivisions, corporate campuses, western development and Missouri River geography.
Large unincorporated markets, postwar housing, established municipalities and major park systems.
Explore communities throughout St. Louis County. Search by community, browse the geographic hierarchy, or use the map to understand how individual municipalities and unincorporated places relate to neighboring communities and the broader Greater St. Louis region.
Search a community directly or narrow the alphabetical directory by one of the metropolitan area's component jurisdictions. The map is a discovery tool, not a ranking.
Missouri communities within the Greater St. Louis metropolitan region
Choose a state or county to highlight it and filter the community directory. The map position stays where you left it.
Kirkwood and Ballwin are the first completed local guides in the county framework. Their different housing histories demonstrate exactly why the county page should organize and connect local markets rather than make them all sound alike.
Historic districts, architecture, downtown life, parks, schools, transportation, listings and Archway Abodes home tours.
Explore Kirkwood →Subdivisions, parks, schools, architecture, Manchester Road, transportation, listings and growing Archway Abodes coverage.
Explore Ballwin →St. Louis County is largely developed, so future change often means reinvestment rather than endless outward expansion. County planning priorities increasingly focus on housing options, aging commercial areas, neighborhood reinvestment, sustainability and strategic redevelopment.
Older commercial corridors, vacant property, obsolete sites and aging housing stock create different development questions from the greenfield growth seen farther west in the metro. In many county communities, the next generation of housing will come through renovation, replacement construction, adaptive reuse and mixed-use redevelopment.
St. Louis County adopted a new comprehensive plan in September 2025. The planning framework emphasizes housing and neighborhood options, reinvestment in existing places, sustainable development and the protection of open space and natural resources—issues that will influence future county-level real-estate patterns.
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