Township · Ohio
Hamilton Township, Warren County, Ohio
Hamilton Township, Warren County, township, in Warren County, Ohio. Hamilton Township, Warren County had 33,226 residents on July 1, 2025 by the Census Bureau's estimate, up 8.6% since 2020; the 2020 Census counted 30,587 and the ACS 2020-2024 5-year estimates put it at 31,938 (±31). GEOID 3916533068.
Residents, July 2025 estimate
33,226
Census Bureau estimate (no margin published)
2020 Census count: 30,587 · ACS 2020-2024: 31,938 ±31
Median household income
$119,478
±$7,055 (90% margin)
Ohio: $71,389
Median home value
$349,200
±$11,331 (90% margin)
Ohio: $214,800
Median gross rent
$1,695
±$494 (90% margin)
Ohio: $1,034
Where is Hamilton Township, Warren County and what county is it in?
Hamilton Township, Warren County is a township in Warren County, Ohio. It covers 35.1 square miles of land, 870 residents per square mile in 2020.
One place lies inside Hamilton Township (Warren County): Maineville (village, 1,405 in 2020). Part of South Lebanon (village) also lies in it.
Hamilton Township, Warren County is in the Cincinnati, OH-KY-IN 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 Hamilton Township, Warren County, and is it growing?
The Census Bureau estimates that 33,226 people lived in Hamilton Township, Warren County on July 1, 2025, up 8.6% since 2020, faster than Ohio (+0.9%). The 2020 Census counted 30,587 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 31,938 (±31).
| Measure | Hamilton Township, Warren County | Warren County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 31,938±31 | 250,008 | +5,976 |
| Households | 10,987±469 | 92,052 | +2,068 |
| Average household size | 2.90±0.12 | 2.66 | no clear change |
| Housing units | 11,543±557 | 96,061 | +2,249 |
Hamilton Township, Warren County's population since 2000
From 9,630 in 2000 to 33,226 in 2025: up 245.0%. The 2000, 2010 and 2020 figures are census counts, each for Hamilton Township, Warren County 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 Hamilton Township, Warren County?
The median resident of Hamilton Township, Warren County is 38.0 years old; 24.5% are under 18 and 13.9% are 65 or older. The largest group is non-Hispanic white residents at 89.5%, then Hispanic or Latino residents (of any race) at 3.3%. 6.6% of residents were born outside the United States.
| Measure | Hamilton Township, Warren County | Warren County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 38.0±1.7 | 40.1 | no clear change |
| Under 18 years | 24.5%±1.7 pts | 23.8% | – |
| 65 years and over | 13.9%±1.8 pts | 15.8% | – |
| Male | 51.2%±2.0 pts | 50.6% | – |
| Hispanic or Latino (any race) | 3.3%±1.3 pts | 3.5% | no clear change |
| White alone, not Hispanic | 89.5%±2.1 pts | 81.8% | no clear change |
| Black or African American alone, not Hispanic | 2.0%±0.9 pts | 3.2% | no clear change |
| Asian alone, not Hispanic | 2.5%±1.2 pts | 7.2% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 2.5%±1.1 pts | 3.6% | – |
| Some other race alone, not Hispanic | 0.2%±0.2 pts | 0.7% | – |
| Born outside the United States | 6.6%±1.6 pts | 9.1% | +3.9 pts |
| Speak a language other than English at home (age 5+) | 6.9%±2.1 pts | 10.8% | – |
| Civilian veterans (age 18+) | 5.3%±1.8 pts | 6.7% | – |
| With a disability | 8.1%±1.3 pts | 10.5% | – |
| No health insurance coverage | 4.4%±1.3 pts | 3.9% | – |
| High school graduate or higher (age 25+) | 97.2%±1.0 pts | 95.1% | – |
| Bachelor's degree or higher (age 25+) | 45.6%±3.7 pts | 45.6% | no clear change |
| Graduate or professional degree (age 25+) | 15.2%±2.8 pts | 18.4% | – |
| Lived in the same house a year earlier | 91.6%±2.9 pts | 90.0% | – |
| Moved from another state in the past year | 2.1%±1.8 pts | 1.9% | – |
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 Hamilton Township, Warren County earn?
Half of Hamilton Township, Warren County's 10,987 households earn less than $119,478 a year (±$7,055), against $110,132 in Warren County and $71,389 in Ohio. In 2015-2019 it was $127,016 in 2024 dollars; the margins of error cannot tell the two periods apart. 3.1% of residents live below the poverty line.
| Measure | Hamilton Township, Warren County | Warren County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $119,478±$7,055 | $110,132 | no clear change |
| Mean household income | $141,162±$8,489 | $145,195 | – |
| Per capita income | $49,390±$2,932 | $53,621 | −$8,573 |
| People below the poverty line | 3.1%±1.1 pts | 6.0% | no clear change |
| Children under 18 below the poverty line | 2.1%±1.4 pts | 6.5% | – |
| Households receiving SNAP | 3.2%±2.5 pts | 4.6% | – |
| Households with a computer | 98.6%±0.7 pts | 97.5% | – |
| Households with a broadband subscription | 97.6%±1.0 pts | 94.9% | – |
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 Hamilton Township, Warren County?
Owners occupy 89.4% of Hamilton Township, Warren County's occupied homes and renters 10.6%. The median owner-occupied home is valued at $349,200 by its owner (±$11,331). The median renter pays $1,695 a month including utilities, and 49.1% of renters pay 35% or more of their income on rent.
| Measure | Hamilton Township, Warren County | Warren County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $349,200±$11,331 | $349,400 | +$68,356 |
| Median gross rent | $1,695±$494 | $1,361 | no clear change |
| Renters paying 35% or more of income on rent | 49.1%±14.6 pts | 32.4% | no clear change |
| Median monthly owner costs, with a mortgage | $2,060±$95 | $1,974 | – |
| Owner-occupied homes | 89.4%±2.3 pts | 79.4% | no clear change |
| Renter-occupied homes | 10.6%±2.3 pts | 20.6% | – |
| Housing units | 11,543±557 | 96,061 | +2,249 |
| Homeowner vacancy rate | 0.8%±1.0 pts | 0.4% | – |
| Rental vacancy rate | 3.6%±3.9 pts | 5.4% | – |
| Single-family detached homes | 86.6%±3.3 pts | 76.6% | – |
| Mobile homes | 1.5%±1.7 pts | 1.0% | – |
| Built 2020 or later | 5.1%±1.2 pts | 3.2% | – |
| Built 2010 to 2019 | 20.2%±3.6 pts | 13.8% | – |
| Built 1939 or earlier | 4.2%±1.6 pts | 5.6% | – |
| Households with no vehicle | 1.0%±0.6 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 do people in Hamilton Township, Warren County work and get to work?
72.6% of Hamilton Township, Warren County's workers drive alone and 21.6% work from home. The average trip to work takes 25.7 minutes. The unemployment rate in 2020-2024 averaged 4.9%.
| Measure | Hamilton Township, Warren County | Warren County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 70.8%±3.4 pts | 66.1% | – |
| Unemployment rate | 4.9%±2.4 pts | 3.1% | no clear change |
| Drove alone to work | 72.6%±4.0 pts | 73.7% | – |
| Carpooled | 4.3%±1.8 pts | 5.9% | – |
| Public transportation | 0.2%±0.2 pts | 0.1% | – |
| Walked | 0.7%±1.0 pts | 0.6% | – |
| Worked from home | 21.6%±3.7 pts | 18.6% | +16.0 pts |
| Mean travel time to work | 25.7 min±1.6 | 25.3 min | −6.4 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 Hamilton Township, Warren County?
5 census tracts lie mostly in Hamilton Township, Warren County, and 2 more reach into it (2020 census blocks). Their median household incomes run from $116,175 (Tract 322.05) to $134,625 (Tract 322.04).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 322.05Warren County | 10,172 | $116,175 |
| Tract 322.03Warren County | 7,737 | $119,420 |
| Tract 322.02Warren County | 6,621 | $125,067 |
| Tract 322.04Warren County | 4,535 | $134,625 |
| Tract 322.06Warren County | 3,868 | $126,285 |
| Tract 320.03Warren County | 7,751 | $94,922 |
| Tract 320.10Warren County | 3,455 | $137,778 |
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 Hamilton Township, Warren County) · Census block assignment files
How does Hamilton Township, Warren County compare with other places in Ohio?
By the Census Bureau's July 2025 estimates, Hamilton Township, Warren County is the 302nd-most populous of the 16,079 U.S. towns and townships that have one and the 28th-most populous of 1,311 in Ohio.
Hamilton Township, Warren County ranks 119th of 1,699 places in Ohio with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 28th | 1,311 |
| Growth 2020-2025 (PEP) | 61st | 1,589 |
| Residents per square mile | 614th | 1,734 |
| Median household income | 119th | 1,699 |
| Per capita income | 235th | 1,729 |
| Median home value | 143rd | 1,707 |
| Median gross rent | 52nd | 1,453 |
| Poverty rate | 1,092nd | 1,116 |
| Bachelor's degree or higher | 171st | 1,613 |
| Median age | 1,302nd | 1,727 |
| Owner-occupied share | 351st | 1,732 |
| Work from home | 123rd | 990 |
| Travel time to work | 697th | 1,731 |
Hamilton Township, Warren County's figures with every place in Ohio (CSV)
Every place in Ohio, sortable · Compare Hamilton Township, Warren County 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 Hamilton Township, Warren County?
11 of the 57 figures for Hamilton Township, Warren County 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 Hamilton Township, Warren County 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' school search.