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Marthasville, MO
City in Warren County, Missouri.
Population
2,328
Land area
0.9sq mi
People per sq mi
2,726
ZIP codes
0
Marthasville and its ZIP codes
Marthasville at a glance
- Marthasville is about 30 times as dense as Missouri as a whole.
- Households here earn a median of $112,083 a year, 59% more than the Missouri figure of $70,702.
- A typical owner-occupied home is valued at $182,900 (21% below Missouri) and median rent is $953 a month.
Local data for Marthasville, MO
Counts from official public data
Housing and community stats
Marthasville, MO, American Community Survey 2020-2024
Median household income
$112,083
Poverty rate
2.6%
Median home value
$182,900
Median rent
$953/mo
Homeownership
82.8%
Bachelor's or higher
20.1%
Median age
30.5
Average commute
37.7 min
Largest reported origins and ancestries: German Americans (936), Irish Americans (179), French Americans (78).
Economy and federal money
Jobs, pay, income and spending are for Warren County. PPP loans are for Marthasville.
Unemployment rate
3.1%
Sep 2026, -0.1 pts in a year
Average annual pay
$53,114
9,000 jobs, 2025
Income per person
$56,344
BEA, 2024
Federal spending
$238M
FY 2026, $6,687 per person
How people get to work
Marthasville, MO, workers 16 and older. American Community Survey 5-year estimates
- Drove alone84.1%
- Carpooled5.3%
- Public transit0.4%
- Walked0.0%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other0.0%
- Worked from home10.2%
Average one-way commute: 37.7 minutes for people who do not work from home.
Environment and hazard risk
Marthasville, MO, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: heat wave
Storm events since 1996
363
Countywide, mostly thunderstorm wind
Flood insurance policies
42
0.2% of homes, county
July high / Jan low
88° / 20°F
44.1 inches of rain a year
Hazards, floods and storm historyCheck a flood zone2 historic places
Health statistics
Share of adults in Marthasville, MO, CDC PLACES estimates
Obesity
36.3%
U.S. 33.3% +3.0 pts
Diabetes
8.7%
U.S. 12.1% -3.4 pts
Smoking
14.2%
U.S. 12.8% +1.4 pts
Uninsured (18-64)
7.1%
U.S. 11.1% -4.0 pts
Cities near Marthasville
| Name | Distance | Land area (sq mi) |
|---|---|---|
| Three CreeksVillage | 4.1 mi | 4.8 |
| WashingtonCity | 5.4 mi | 10 |
| InnsbrookVillage | 9.1 mi | 10 |
| New HavenCity | 9.4 mi | 3.2 |
| AugustaTown | 10 mi | 0.9 |
| New MelleCity | 11 mi | 1.7 |
| TruesdaleCity | 13 mi | 1.3 |
| UnionCity | 13 mi | 9.1 |
| ForistellCity | 14 mi | 6.1 |
| Wright CityCity | 14 mi | 6.1 |
| WarrentonCity | 14 mi | 9 |
| DefianceCensus-designated place | 14 mi | 1 |
| Gray SummitCensus-designated place | 15 mi | 7.7 |
| Villa RidgeCensus-designated place | 15 mi | 4.9 |
| BergerCity | 16 mi | 0.3 |
| WentzvilleCity | 17 mi | 21.7 |
Frequently asked questions
- What county is Marthasville, MO in?
- Marthasville is in Warren County, Missouri.
- What is the population of Marthasville, MO?
- About 2,328 people live in Marthasville, based on American Community Survey 5-year estimates.
- What cities are near Marthasville?
- Nearby places include Three Creeks (4.1 mi), Washington (5.4 mi), Innsbrook (9.1 mi), New Haven (9.4 mi), Augusta (10 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023