Saint Clair, Missouri.
Typical home $213,451 (+5.1% in a year). St. Louis, MO-IL metro.
to buy the typical home at today's mortgage rate — +$618 (+123%) since Jan 2020.
- 1 year
- Up $10,396 +5%
- $203,055$213,451 since Sep 2025
- 5 years
- Up $48,629 +30%
- $164,822$213,451 since Sep 2021
Monthly payment to buy the typical home
Home value × that month's 30-year mortgage rate, 20% down, principal and interest. This is the line households feel: prices and rates compound each other.
- Saint Clair$1,120
- Missouri$1,393
- United States$1,922
At the last five years' pace, a typical home here doubles in price every 13 years.
Typical home values in Saint Clair, MO rose 5.1% over the past year — faster than the nation's +1.2%.
Living in Saint Clair, Franklin County, Missouri
Saint Clair is a city of 4,791 people in Franklin County. Half its households earn more than $41,820 a year and half less, against $73,165 across Franklin County; 15% of its people live below the poverty line. Unemployment in Franklin County was 3.6% in August 2026, and the county had 1.1% more jobs in 2025 than the year before. The most residents work in schools and health care, then shops.
Written by AI Claude Sonnet 5.5 wrote this on 23 October 2026 from the figures here, a list of nearby places and what it knows. It can be wrong or out of date.
What it’s like
The place. Saint Clair is a small city in Franklin County, Missouri, with a modest population. Household incomes here run well below the county's, and homes are priced at a level many buyers would find reasonable. Few adults hold a four-year degree, and the typical commute to work is fairly long. Winters are cold, with some snow, and summers are hot, with plenty of rain and melted snow across the year.
Work. Many residents work in schools, hospitals and social care, in shops, in the building trades and in manufacturing. Among the largest workplaces in Saint Clair are Atro, which makes suspension assemblies and parts for trucks and buses, Ozark Die Casting, and Americare Senior Living. Unemployment across Franklin County has eased a little compared with a year earlier, and the county has added a small number of jobs.
Things to do. For time outdoors, the Bourbeuse River and the Meramec Conservation Area are both a short drive away. Meramec Caverns, one of the better-known tourist attractions in the area, is also a short drive away. Shaw Nature Reserve, a botanical garden, is a longer drive for those who want a day trip.
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- 2,034households
- 10%of adults have a degree
- 15%below the poverty line
- 29 mintypical commute
- 8%work from home
What residents work in
Employed residents by industry, from the Census survey. Franklin County had 39,757 jobs in 2025, 1.1% more than the year before (Bureau of Labor Statistics).
Weather through the year
Coldest in January, with highs near 43° and lows near 23°; warmest in July, with highs near 91° and lows near 67°. About 14 inches of snow and 45 inches of rain and melted snow a year.
Average daily high and low, 1991–2020, at the Union weather station, 7 miles away (NOAA).
Largest workplaces in Saint Clair
- AtroAutomotive, truck and bus suspension assemblies and parts manufacturing112
- Americare Senior LivingHealthcare55
- Ozark Die CastingZinc die-castings, unfinished, manufacturing43
- Veterans Health AdministrationFederal government · Department of Veterans Affairs41
- Ozark Die Casting TwoZinc die-castings, unfinished, manufacturing28
Staff on average in 2025, as each workplace reported it to OSHA with its injury records: 4 workplaces with 20 or more staff, 238 people in all. Federal offices come from OPM's federal workforce data (2026). Not listed: many offices and banks, which need not report to OSHA; military bases, whose staff OPM withholds; and, in about half the states, city and county governments.
Natural hazards
- Heat wavesRelatively high
- Strong windRelatively high
- TornadoesRelatively high
- HailRelatively moderate
- EarthquakesRelatively moderate
- Ice stormsRelatively moderate
FEMA’s National Risk Index (December 2025) rates the risk each natural hazard poses to the people, buildings and farms in Saint Clair’s census tracts, against the rest of the country; all of them together, relatively moderate. It is meant for planning, not a substitute for a local risk assessment or a flood map: FEMA’s index.
From the U.S. Census Bureau’s 2020 census and its American Community Survey (2020–2024 five-year estimates), and the Bureau of Labor Statistics. A survey, so each figure has a margin of error, and figures it is not sure of are left out. More on Franklin County and the St. Louis, MO-IL metro.
Saint Clair home values
Zillow measures a city over its municipal boundary. Against the state and national figures, mid-tier homes, smoothed and seasonally adjusted.
- Saint Clair$213,451
- Missouri$265,387
- United States$366,157
Sellers are cutting prices on about 1 in 3 Saint Clair listings — the market is cooling.
When this market ran hot
Each cell is that month's year-on-year home-value growth. Read left to right, top row is the latest year — the 2021–22 band is the boom.
Market heat, inside the city limits
Share of listings with a price cut
The early-warning dial: sellers cut when buyers stop reaching. Rising cuts cool a market months before prices notice.
- Saint Clair33.07%
- United States26.90%
Homes for sale
Active for-sale inventory. More supply hands power to buyers.
- Saint Clair34
New listings per month
Sellers arriving at the market.
- Saint Clair14
Zip codes with a Saint Clair address
A different geography, not a breakdown. The figure above covers the municipality; these zips cover everywhere the Post Office calls Saint Clair — often including townships beyond the city limits. Both come straight from Zillow, and they are not expected to average out.