St. Charles County · Missouri

St. Charles County, Missouri real estate & cities.

Countywide real estate hub for St. Charles County, MO — 8 live city guides, public market snapshots, and connections to local professionals.

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St. Charles County, Missouri is a county-level market on USAHouses.com — a countywide hub linking verified city guides, public market data, and ways to connect with licensed professionals. We currently publish 8 city-level guides inside St. Charles County, covering resale homes, condos, land, and new construction across the county.

County pages complement city guides: they group places by official Census county or county-equivalent boundaries, surface nearby counties and major Missouri cities, and link to NewUSAHouses.com builder hubs when available.

St. Charles County corresponds to Census FIPS code 29183. FIPS is the geographic code for USA Counties.

County snapshot

St. Charles County at a glance

City guides on USAHouses

8 live

Combined population (catalogued places)

295,149

Median household income (midpoint of places)

$114,420

Median home value range (Census ACS)

$252,800 – $523,300

County median listing price

$428,950 (2026-06-01)

County price trend (FHFA HPI)

+4.8% (2025)

Market data compiled from public sources on linked city guides and county-level datasets; deemed reliable but not guaranteed. Full source list ↗

Places in St. Charles County

Cities & towns in St. Charles County

St. Charles County includes 8 places USAHouses.com tracks in its city manifest; 8 already have live market guides linked below.

New construction

New homes in & near St. Charles County

Verified new-construction communities on NewUSAHouses.com in Missouri — linked when a matching metro or state hub exists.

Local resources

Get help buying or selling in St. Charles County

Featured local agent

Scott Brown — eXp Realty

Licensed in Missouri (#2021012672). Call or text for a direct answer on local listings, pricing, or new construction.

Call/text (707) 474-8855

What can I afford?

Estimate a comfortable price range in under a minute, then connect with a lender for real numbers.

Rough estimate only (28% of income toward housing, ~6.5% illustrative rate, 30-year term) — not a loan offer or pre-qualification. Connect with a lender for real numbers →

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Official resources

St. Charles County government & services

St. Charles County government

Official county or county-equivalent government website (source: public records / Wikidata). Official site ↗

Schools

Wentzville R-Iv — 22 schools, 17,997 students (largest district in county by enrollment; attendance zones vary by address).

County median listing price

$428,950 as of 2026-06-01 (FRED / Realtor.com county median listing price).

County house price trend

FHFA all-transactions HPI annual change +4.8% (2025).

Common questions

St. Charles County FAQ

What cities and towns are in St. Charles County, MO?

USAHouses.com currently catalogues 8 places in St. Charles County, with live market guides for 8 of them. Census recognizes additional small places and CDPs in most counties that may not yet have dedicated pages.

Where should I start looking for homes in St. Charles County?

Start with the live city guides for O'Fallon, St. Charles, St. Peters, Wentzville, Dardenne Prairie, and 3 more — each links Census market data, nearby places, and ways to connect with local professionals.

Does USAHouses.com cover new construction in St. Charles County?

City and county guides link to NewUSAHouses.com where verified new-home communities exist in Missouri. Use the new-construction section on this page for same-state builder hubs; availability varies by market.

How is the St. Charles County housing market trending?

County-level FHFA house price index data shows a +4.8% annual change in 2025 — a countywide benchmark, not a guarantee for any single city or street.

How do I connect with an agent in St. Charles County?

Use the lead form at the bottom of this page to describe your buy or sell goals in St. Charles County. USA HOUSES LLC is a platform/media company, not a brokerage; licensed professionals are disclosed separately.

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Look up homes in St. Charles County

Search new construction and resale homes countywide — live MLS data, not just what's summarized on this page.

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