United States › Missouri › St. Martins CITY
St. Martins Missouri · 1,242 residents (2025 est.) · 1.94 sq mi
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The short version
St. Martins is home to 1,228 people in Missouri. Owners hold 82% of the housing stock. 1% of people here were born outside the United States. That is roughly 26% ahead of the Missouri median. Renters pay $796 a month at the median. The poverty rate is 5.0%, under the national 12.5%.
At a glance
Wealthier
above the US median
US median: $82,259
Mid-age
median age 38.1
US median: 38.9
More educated
39% hold a bachelor's degree
US average: 36%
Less affordable
home values up 37%, inflation adjusted
US median home: $376,019
Section 01
Population & growth from 1,023 in 2000
1,242 in 2025 (Census Bureau estimate)
634 / sq mi
−14%since 2009
from 741 / sq mi in 2009
US average: 281
from 33.3 in 2000
US average: 38.9
Population, 1990 – 2024
624 846 1K 1K 2K 1990 2000 2010 2020 2024 St. Martins Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $89,250
+18%inflation adjusted, since 2000
from $41,389 in 2000
US average: $82,259
from $23,900 in 2000
US average: $44,673
Households earning $100K+
from 29.2% in 2009
US average: 53.3%
from 8.8% in 2000
US average: 12.5%
from 0.407 in 2010
US average: 0.476
Workforce by industry, 2024
Public administration 9.9%
Arts, entertainment, food 2.3%
Professional, scientific, technical 1.1%
Agriculture, forestry, fishing 0.5%
Transportation & warehousing 0.5%
Education & health services 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
$242,400
+37%inflation adjusted, since 2000
from $97,200 in 2000
US average: $376,019
$796
+7%inflation adjusted, since 2000
from $408 in 2000
US average: $1,442
from 70.6% in 2000
18.0% rent
from 1.9% in 2009
US average: 10.0%
2.80 people
+13%since 2009
from 2.48 people in 2009
US average: 2.54
from 14.4% in 2009
US average: 22.9%
from 25.2% in 2009
US average: 47.4%
from 2.9 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 97%(992)
Hispanic / Latino 1.3%(13)
2024
White, non-Hispanic 90.1%(1,106)
Hispanic / Latino 2.9%(36)
from 28 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 4 more ancestry groups with data from 16.6% in 2000
US average: 35.6%
High school or higher
from 80.2% in 2000
US average: 89.6%
from 5.0% in 2000
US average: 14.0%
Section 06
Commute & transportation from 11.4 min in 2000
US average: 26.5
from 82.0% in 2009
US average: 68.9%
from 10.7% in 2009
US average: 8.5%
from 0.0% in 2009
US average: 3.2%
from 4.7% in 2009
US average: 15.0%
from 0.6% in 2009
US average: 2.4%
from 0.0% in 2009
US average: 0.4%
from 7.3% in 2009
US average: 8.3%
Section 07
Work & employment from 8.5% in 2011
US average: 5.2%
from 64.5% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 78.6% in 2020
US average: 74.6%
from 21.5% in 2009
US average: 13.1%
from 35.2% in 2009
US average: 42.5%
Section 08
People & community from 4.2% in 2009
US average: 14.1%
from 8.6% in 2009
US average: 6.2%
from 12.2% in 2012
US average: 13.3%
from 6.9% in 2013
US average: 8.4%
from 80.3% in 2017
US average: 91.0%
Computer in household
from 91.6% in 2020
US average: 95.5%
from 87.7% in 2020
US average: 87.7%
from 98.4% in 2016
US average: 77.7%
from 0.0% in 2016
US average: 13.6%
Marital status
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 6.9% in 2013
US average: 8.4%
from 72.7% in 2020
US average: 54.8%
Direct-purchase
from 7.3% in 2020
US average: 13.8%
from 18.8% in 2020
US average: 18.4%
from 7.6% in 2020
US average: 20.9%
VA health care
from 4.3% in 2020
US average: 2.2%
Any private
from 79.3% in 2020
US average: 67.1%
Any public
from 25.6% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 23.5%(20)
Gulf War (1990s) 31.8%(27)
Share of the 85 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
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Frequently asked
How many people live in St. Martins, Missouri? St. Martins, Missouri has about 1,228 residents according to the 2024 American Community Survey.
What is the median household income in St. Martins, Missouri? The typical household in St. Martins, Missouri earns about $89,250 a year. Half of households make more than that, and half make less.
Is St. Martins, Missouri expensive? In St. Martins, Missouri, the median home is worth about $242,400, and the typical rent is about $796 a month.
How educated are people in St. Martins, Missouri? About 39.3% of adults age 25 and over in St. Martins, Missouri hold a bachelor's degree or higher.
What is the poverty rate in St. Martins, Missouri? About 5.0% of people in St. Martins, Missouri live below the federal poverty line.
Has St. Martins, Missouri grown since 1990? Yes, St. Martins, Missouri has grown since 1990. The population has added about 530 residents, a change of about 76 percent over that period.
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