St. Ann, Missouri Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of St. Ann, Missouri is 12,865 as of the 2023 American Community Survey, making it the 69th-largest city in Missouri. The median household income is $52,059, the median home value is $118,600, and the median age is 36.2.
The population has declined 2.4% since 2010 (13,023 → 12,704).
12,865
Population
4078
People / sq mi
$52,059
Median Income
$118,600
Median Home Value
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St. Ann covers 3.2 sq mi of land at 4078 people per square mile.
About St. Ann, MO
Housing cost is the defining feature of St. Ann: the median home is valued at $118,600. With 12,865 residents, St. Ann is a city in Missouri.
Earnings trail the nation, with the median household making $52,059, below the US median of $78,538. About 10.1% of residents live below the federal poverty level, below the national 12.4%. Real estate is inexpensive, with a typical home worth only $118,600, with typical rent around $952.
Fewer adults hold degrees here than in most comparable places — 18.2%, below the national 35.0%. Remote work is on the lower side here, at 8.1%, below the national 14.0%, and the average commute runs about 22 minutes each way.
St. Ann city Population History (2010-2024)
The city of St. Ann city had a population of 13,023 in 2010 and 12,704 in 2024, a -2.4% growth over 14 years. The peak was 13,023 in 2010. Average annual growth rate: -0.17%.
12,704
Population (2024)
13,023
Population (2010)
13,023
Peak (2010)
-0.17%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 13,023 |
| 2011 | 13,019 |
| 2012 | 13,006 |
| 2013 | 12,976 |
| 2014 | 12,951 |
| 2015 | 12,923 |
| 2016 | 12,813 |
| 2017 | 12,742 |
| 2018 | 12,682 |
| 2019 | 12,629 |
| 2020 | 12,998 |
| 2021 | 12,899 |
| 2022 | 12,774 |
| 2023 | 12,707 |
| 2024 | 12,704 |
Race & Ethnicity
| White | 62.9% |
| Black or African American | 26.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.0% |
| Two or More Races | 0.0% |
Economy & Income
$52,059
Median Household Income
$29,404
Per Capita Income
10.1%
Poverty Rate
2.6%
Unemployment Rate
Housing
$118,600
Median Home Value
$952
Median Rent
55.6%
Owner-Occupied
Education
90.8%
High School+
18.2%
Bachelor's+
Commute
2.2%
Drive Alone
77.0%
Public Transit
8.1%
Work From Home
21.5 min
Avg Commute
Community Profile
17.4%
Foreign Born
88.9%
Non-English at Home
2.9%
Veterans
23.5%
With Disability
86.1%
Health Insurance
92.2%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 21.7% |
| Finance, Insurance & Real Estate | 11.2% |
| Information | 9.4% |
| Manufacturing | 8.5% |
| Education, Health Care & Social Services | 7.8% |
| Public Administration | 6.3% |
| Construction | 5.9% |
| Arts, Entertainment & Food Services | 5.5% |
| Retail Trade | 3.3% |
| Transportation & Warehousing | 2.7% |
| Agriculture & Mining | 2.3% |
Largest cities in Missouri
Largest counties in Missouri
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Metro areas in Missouri
City rankings
Frequently Asked Questions
St. Ann, Missouri has a population of 12,865 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 69th-largest city in Missouri.
The median household income in St. Ann, Missouri is $52,059, with 10.1% of residents living below the federal poverty level.
The median home value in St. Ann, Missouri is $118,600, with median monthly rent at $952 and a homeownership rate of 55.6%.
The median age in St. Ann, Missouri is 36.2 years. The population is 47.1% male and 52.9% female.
The population has declined 2.4% since 2010 (13,023 → 12,704).
St. Ann city, MO Climate
St. Ann city, MO has an average annual temperature of 13.1°C (56°F) and receives about 980 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
13.1°C
Avg Temp
980
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -2° / 29° | 50 mm |
| February | 1° / 35° | 55 mm |
| March | 7° / 45° | 90 mm |
| April | 13° / 56° | 96 mm |
| May | 19° / 66° | 104 mm |
| June | 24° / 75° | 93 mm |
| July | 26° / 79° | 96 mm |
| August | 25° / 77° | 81 mm |
| September | 21° / 69° | 81 mm |
| October | 14° / 58° | 71 mm |
| November | 7° / 45° | 89 mm |
| December | 1° / 34° | 74 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit St. Ann city, MO
The most comfortable months to visit St. Ann city, MO are typically September, June and May, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 32°C high). The coldest is January (near -7°C low). May is usually the wettest month.
Where to stay near St. Ann
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.