City · Missouri
Warrenton, Missouri
Warrenton, city, in Warren County, Missouri. Warrenton had 9,667 residents on July 1, 2025 by the Census Bureau's estimate, up 14.9% since 2020; the 2020 Census counted 8,429 and the ACS 2020-2024 5-year estimates put it at 9,066 (±26). GEOID 2977128.
Residents, July 2025 estimate
9,667
Census Bureau estimate (no margin published)
2020 Census count: 8,429 · ACS 2020-2024: 9,066 ±26
Median household income
$61,031
±$10,449 (90% margin)
Missouri: $70,702
Median home value
$204,800
±$11,918 (90% margin)
Missouri: $230,300
Median gross rent
$964
±$212 (90% margin)
Missouri: $1,033
Where is Warrenton and what county is it in?
Warrenton is a city in Warren County, Missouri. It covers 9.0 square miles of land, 932 residents per square mile in 2020.
Warrenton is in the St. Louis, MO-IL metropolitan statistical area, which takes in 15 counties (Census Bureau delineation, July 2023).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Warrenton, and is it growing?
The Census Bureau estimates that 9,667 people lived in Warrenton on July 1, 2025, up 14.9% since 2020, faster than Missouri (+1.9%). The 2020 Census counted 8,429 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 9,066 (±26).
| Measure | Warrenton | Warren County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 9,066 ±26 | 37,177 | +840 |
| Households | 3,522 ±258 | 13,845 | +458 |
| Average household size | 2.53 ±0.18 | 2.67 | no clear change |
| Housing units | 3,743 ±244 | 16,161 | no clear change |
Warrenton's population since 2000
From 5,281 in 2000 to 9,667 in 2025: up 83.1%. The 2000, 2010 and 2020 figures are census counts, each for Warrenton as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Warrenton?
The median resident of Warrenton is 33.7 years old; 24.6% are under 18 and 15.7% are 65 or older. The largest group is non-Hispanic white residents at 88.9%, then Hispanic or Latino residents (of any race) at 5.8%.
| Measure | Warrenton | Warren County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 33.7 ±2.3 | 40.8 | no clear change |
| Under 18 years | 24.6% ±3.6 pts | 23.1% | – |
| 65 years and over | 15.7% ±3.3 pts | 18.2% | – |
| Male | 44.2% ±2.9 pts | 49.9% | – |
| Hispanic or Latino (any race) | 5.8% ±3.1 pts | 4.1% | – |
| White alone, not Hispanic | 88.9% ±4.1 pts | 89.4% | no clear change |
| Black or African American alone, not Hispanic | 1.0% ±0.5 pts | 1.1% | – |
| Asian alone, not Hispanic | 0.1% ±0.1 pts | 0.4% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.1% ±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.4 pts | 0.0% | – |
| Two or more races, not Hispanic | 4.1% ±3.3 pts | 4.7% | – |
| Some other race alone, not Hispanic | 0.0% ±0.4 pts | 0.1% | – |
| Born outside the United States | 0.4% ±0.5 pts | 1.0% | – |
| Speak a language other than English at home (age 5+) | 1.2% ±0.9 pts | 2.8% | – |
| Civilian veterans (age 18+) | 7.3% ±2.3 pts | 9.2% | – |
| With a disability | 20.4% ±4.6 pts | 14.5% | – |
| No health insurance coverage | 12.3% ±5.4 pts | 7.4% | no clear change |
| High school graduate or higher (age 25+) | 88.2% ±3.9 pts | 90.5% | – |
| Bachelor's degree or higher (age 25+) | 12.5% ±3.1 pts | 20.2% | no clear change |
| Graduate or professional degree (age 25+) | 1.8% ±1.1 pts | 5.7% | – |
| Lived in the same house a year earlier | 80.8% ±6.7 pts | 89.5% | – |
| Moved from another state in the past year | 9.5% ±4.6 pts | 2.9% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Warrenton earn?
Half of Warrenton's 3,522 households earn less than $61,031 a year (±$10,449), against $81,209 in Warren County and $70,702 in Missouri. In 2015-2019 it was $53,950 in 2024 dollars; the margins of error cannot tell the two periods apart. 14.6% of residents live below the poverty line.
| Measure | Warrenton | Warren County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $61,031 ±$10,449 | $81,209 | no clear change |
| Mean household income | $72,736 ±$6,320 | $99,746 | – |
| Per capita income | $27,872 ±$2,572 | $37,271 | no clear change |
| People below the poverty line | 14.6% ±5.2 pts | 8.0% | no clear change |
| Children under 18 below the poverty line | 16.2% ±12.9 pts | 9.1% | – |
| Households receiving SNAP | 12.0% ±4.0 pts | 6.9% | – |
| Households with a computer | 89.9% ±4.8 pts | 95.1% | – |
| Households with a broadband subscription | 90.1% ±4.6 pts | 91.8% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Warrenton?
Owners occupy 64.9% of Warrenton's occupied homes and renters 35.1%. The median owner-occupied home is valued at $204,800 by its owner (±$11,918). The median renter pays $964 a month including utilities, and 22.9% of renters pay 35% or more of their income on rent.
| Measure | Warrenton | Warren County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $204,800 ±$11,918 | $260,400 | +$47,640 |
| Median gross rent | $964 ±$212 | $995 | no clear change |
| Renters paying 35% or more of income on rent | 22.9% ±9.0 pts | 31.2% | no clear change |
| Median monthly owner costs, with a mortgage | $1,343 ±$53 | $1,485 | – |
| Owner-occupied homes | 64.9% ±5.9 pts | 80.2% | no clear change |
| Renter-occupied homes | 35.1% ±5.9 pts | 19.8% | – |
| Housing units | 3,743 ±244 | 16,161 | no clear change |
| Homeowner vacancy rate | 0.0% ±1.5 pts | 0.7% | – |
| Rental vacancy rate | 9.4% ±5.8 pts | 5.2% | – |
| Single-family detached homes | 70.5% ±5.8 pts | 79.0% | – |
| Mobile homes | 5.2% ±2.4 pts | 10.0% | – |
| Built 2020 or later | 5.5% ±3.3 pts | 5.6% | – |
| Built 2010 to 2019 | 13.3% ±4.3 pts | 15.7% | – |
| Built 1939 or earlier | 5.4% ±2.3 pts | 4.9% | – |
| Households with no vehicle | 4.1% ±2.2 pts | 3.1% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Warrenton building?
Builders took permits for 93 new housing units in Warrenton in 2025 (61 in single-family houses), 9.6 per 1,000 residents against 2.8 across Missouri.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Warrenton work and get to work?
81.1% of Warrenton's workers drive alone and 9.4% work from home. The average trip to work takes 27.9 minutes.
| Measure | Warrenton | Warren County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 62.5% ±4.9 pts | 62.8% | – |
| Unemployment rate | 4.7% ±3.1 pts | 3.7% | – |
| Drove alone to work | 81.1% ±4.9 pts | 80.5% | – |
| Carpooled | 8.4% ±3.2 pts | 9.5% | – |
| Public transportation | 0.0% ±0.8 pts | 0.2% | – |
| Walked | 0.9% ±0.9 pts | 0.4% | – |
| Worked from home | 9.4% ±3.2 pts | 9.0% | – |
| Mean travel time to work | 27.9 min ±2.4 | 31.6 min | +4.5 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Warrenton?
2 census tracts lie mostly in Warrenton, and 2 more reach into it (2020 census blocks). Their median household incomes run from $82,704 (Tract 8201.06) to $83,056 (Tract 8201.05).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 8201.06Warren County | 5,373 | $82,704 |
| Tract 8201.05Warren County | 3,761 | $83,056 |
| Tract 8201.07Warren County | 3,361 | $48,482 |
| Tract 8201.04Warren County | 4,510 | $64,858 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Warrenton) · Census block assignment files
How does Warrenton compare with other places in Missouri?
By the Census Bureau's July 2025 estimates, Warrenton is the 3,283rd-most populous of the 19,476 U.S. incorporated places that have one and the 82nd-most populous of 936 in Missouri.
Warrenton ranks 186th of 416 places in Missouri with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 82nd | 936 |
| Growth 2020-2025 (PEP) | 19th | 394 |
| Residents per square mile | 246th | 420 |
| Median household income | 186th | 416 |
| Per capita income | 252nd | 420 |
| Median home value | 124th | 416 |
| Median gross rent | 153rd | 398 |
| Poverty rate | 207th | 373 |
| Bachelor's degree or higher | 348th | 404 |
| Median age | 341st | 420 |
| Owner-occupied share | 224th | 418 |
| Work from home | 161st | 270 |
| Travel time to work | 77th | 420 |
Warrenton's figures with every place in Missouri (CSV)
Every place in Missouri, sortable · Compare Warrenton with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Warrenton?
12 of the 57 figures for Warrenton on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Warrenton are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' public schools in Warrenton.