St. Peters, Missouri Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of St. Peters, Missouri is 58,200 as of the 2023 American Community Survey, making it the 11th-largest city in Missouri. The median household income is $89,827, the median home value is $252,800, and the median age is 41.1.
The population has grown 16.3% since 2010 (52,796 → 61,398).
58,200
Population
2586
People / sq mi
$89,827
Median Income
$252,800
Median Home Value
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St. Peters covers 22.5 sq mi of land at 2586 people per square mile.
About St. Peters, MO
Homeownership is the standout figure in St. Peters: 80.9% of homes are owner-occupied, higher than the national rate. St. Peters is a city in Missouri with a population of 58,200. It ranks #11 among cities in Missouri by population.
The typical household here earns about $89,827, above the US median of $78,538. Poverty is relatively low for US cities at 3.5%, below the national 12.4%. Median home value is $252,800, with typical rent around $1,291.
Degree attainment is mid-range for US cities: 39.7% of adults hold a four-year degree, above the national 35.0%. Remote work is on the higher side at 16.0%, above the national 14.0%, and the average commute runs about 24 minutes each way.
The ownership rate anchors the housing story in St. Peters, and tends to move with the age structure and home-value figures above.
St. Peters city Population History (2010-2024)
The city of St. Peters city had a population of 52,796 in 2010 and 61,398 in 2024, a 16.3% growth over 14 years. The peak was 61,398 in 2024. Average annual growth rate: 1.09%.
61,398
Population (2024)
52,796
Population (2010)
61,398
Peak (2024)
1.09%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 52,796 |
| 2011 | 53,414 |
| 2012 | 54,062 |
| 2013 | 54,825 |
| 2014 | 56,012 |
| 2015 | 56,742 |
| 2016 | 57,159 |
| 2017 | 57,179 |
| 2018 | 57,123 |
| 2019 | 58,212 |
| 2020 | 57,707 |
| 2021 | 58,216 |
| 2022 | 58,560 |
| 2023 | 59,600 |
| 2024 | 61,398 |
Race & Ethnicity
| White | 85.8% |
| Black or African American | 5.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.7% |
| Two or More Races | 0.0% |
Economy & Income
$89,827
Median Household Income
$44,386
Per Capita Income
3.5%
Poverty Rate
1.6%
Unemployment Rate
Housing
$252,800
Median Home Value
$1,291
Median Rent
80.9%
Owner-Occupied
Education
96.2%
High School+
39.7%
Bachelor's+
Commute
0.2%
Drive Alone
74.9%
Public Transit
16.0%
Work From Home
23.6 min
Avg Commute
Community Profile
24.0%
Foreign Born
95.5%
Non-English at Home
7.9%
Veterans
13.9%
With Disability
96.1%
Health Insurance
96.7%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 21.7% |
| Manufacturing | 13.3% |
| Finance, Insurance & Real Estate | 10.1% |
| Information | 9.8% |
| Education, Health Care & Social Services | 8.8% |
| Construction | 6.4% |
| Retail Trade | 4.5% |
| Public Administration | 4.0% |
| Arts, Entertainment & Food Services | 3.8% |
| Transportation & Warehousing | 1.6% |
| Agriculture & Mining | 0.7% |
Largest cities in Missouri
Largest counties in Missouri
Part of Missouri
Metro areas in Missouri
City rankings
Frequently Asked Questions
St. Peters, Missouri has a population of 58,200 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 11th-largest city in Missouri.
The median household income in St. Peters, Missouri is $89,827, with 3.5% of residents living below the federal poverty level.
The median home value in St. Peters, Missouri is $252,800, with median monthly rent at $1,291 and a homeownership rate of 80.9%.
The median age in St. Peters, Missouri is 41.1 years. The population is 47.1% male and 52.9% female.
The population has grown 16.3% since 2010 (52,796 → 61,398).
St. Peters city, MO Climate
St. Peters city, MO has an average annual temperature of 12.9°C (55°F) and receives about 960 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
12.9°C
Avg Temp
960
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -2° / 29° | 46 mm |
| February | 1° / 34° | 52 mm |
| March | 7° / 45° | 86 mm |
| April | 13° / 56° | 95 mm |
| May | 19° / 65° | 106 mm |
| June | 24° / 74° | 89 mm |
| July | 26° / 79° | 99 mm |
| August | 25° / 77° | 80 mm |
| September | 21° / 69° | 82 mm |
| October | 14° / 58° | 74 mm |
| November | 7° / 45° | 82 mm |
| December | 1° / 34° | 69 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. Peters city, MO
The most comfortable months to visit St. Peters 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.
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Population, race, income, age, and trends across Missouri
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.