County · Ohio
Hamilton County, Ohio
Hamilton County, Ohio. Hamilton County had 838,418 residents in 2025 by the Census Bureau's estimate, up 0.9% since 2020, in line with Ohio (+0.9%). It holds 101 places (38 cities, villages and boroughs, 12 towns and townships and 51 census-designated) and 226 census tracts. GEOID 39061.
Hamilton County is one of the 15 counties of the Cincinnati, OH-KY-IN metropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
838,418
Census Bureau estimate (no margin published)
2020 Census count: 830,639 · ACS 2020-2024: 830,774
Median household income
$72,470
±$1,214 (90% margin)
Ohio: $71,389
Median home value
$241,900
±$3,015 (90% margin)
Ohio: $214,800
Median gross rent
$1,075
±$16 (90% margin)
Ohio: $1,034
How many people live in Hamilton County, and is it growing?
The 2020 Census counted 830,639 residents in Hamilton County. The Census Bureau estimates 838,418 for July 1, 2025, up 0.9% since 2020, in line with Ohio (+0.9%). The 2020-2024 American Community Survey puts the population at 830,774 over 405 square miles of land.
| Measure | Hamilton County | Ohio | Change since 2015-2019 |
|---|---|---|---|
| Total population | 830,774 | 11,810,293 | +17,185 |
| Households | 354,739±1,411 | 4,863,191 | +12,866 |
| Average household size | 2.29±0.01 | 2.37 | −0.04 |
| Housing units | 381,356±217 | 5,292,391 | +1,954 |
Hamilton County's population since 2000
From 845,303 in 2000 to 838,418 in 2025: down 0.8%. The 2000, 2010 and 2020 figures are census counts. 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); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Hamilton County?
Hamilton County holds 101 places: 38 cities, villages and boroughs (incorporated places), 12 towns and townships (county subdivisions with their own government) and 51 census-designated places. The largest is Cincinnati with 314,367 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Cincinnati | 309,317 | $52,909 |
|---|---|---|
| Green Township, Hamilton County | 60,424 | $88,314 |
| Colerain Township, Hamilton County | 59,239 | $73,103 |
| Anderson Township | 44,088 | $121,661 |
| Springfield Township, Hamilton County | 35,862 | $73,682 |
| Delhi Township | 28,760 | $90,781 |
| Forest Park | 20,189 | $75,956 |
| Sycamore Township, Hamilton County | 19,563 | $83,222 |
| White Oak | 19,541 | $70,341 |
| Norwood | 19,043 | $71,611 |
| Miami Township, Hamilton County | 15,969 | $99,375 |
| Symmes Township, Hamilton County | 15,642 | $157,136 |
| Bridgetown | 14,731 | $80,564 |
| Harrison Township, Hamilton County | 14,288 | $87,730 |
| Blue Ash | 13,394 | $115,313 |
| Harrison | 12,563 | $100,000 |
| Finneytown | 12,399 | $83,424 |
| Dent | 12,301 | $86,636 |
| Monfort Heights | 12,070 | $88,457 |
| Sharonville | 14,117 | $74,649 |
| Mack | 11,088 | $121,609 |
| Springdale | 11,007 | $67,903 |
| Northbrook | 10,912 | $67,426 |
| Montgomery | 10,853 | $150,995 |
| Forestville | 10,615 | $98,115 |
| Reading | 10,600 | $61,866 |
| Loveland | 13,307 | $94,323 |
| North College Hill | 9,663 | $64,655 |
| Madeira | 9,487 | $167,653 |
| Wyoming | 8,756 | $165,188 |
| Cheviot | 8,658 | $53,132 |
| Dry Run | 7,672 | $200,530 |
| Kenwood | 7,570 | $110,212 |
| Groesbeck | 7,365 | $61,984 |
| Northgate | 7,277 | $73,672 |
| Mount Healthy | 6,996 | $54,565 |
| Covedale | 6,472 | $90,694 |
| Whitewater Township | 6,375 | $61,538 |
| The Village of Indian Hill | 6,087 | $234,821 |
| Crosby Township | 6,030 | $123,750 |
| Deer Park | 5,432 | $83,371 |
| Miami Heights | 5,166 | $118,125 |
| Turpin Hills | 5,162 | $141,346 |
| New Burlington | 5,049 | $72,733 |
| Delhi Hills | 5,022 | $99,049 |
| Silverton | 4,908 | $72,143 |
| Pleasant Run | 4,861 | $79,537 |
| Pleasant Run Farm | 4,779 | $73,725 |
| Columbia Township, Hamilton County | 4,446 | $68,088 |
| Cherry Grove | 4,419 | $117,994 |
| St. Bernard | 4,070 | $67,083 |
| Taylor Creek | 4,056 | $99,323 |
| Woodlawn | 3,916 | $74,833 |
| Salem Heights (Hamilton County) | 3,862 | $93,700 |
| Amberley | 3,840 | $154,688 |
| Golf Manor | 3,814 | $44,948 |
| Fruit Hill | 3,748 | $107,254 |
| Greenhills | 3,741 | $70,250 |
| Sherwood, Hamilton County | 3,633 | $125,729 |
| Mariemont | 3,518 | $152,273 |
| Lockland | 3,514 | $57,969 |
| Dillonvale, Hamilton County | 3,436 | $79,318 |
| Cleves | 3,414 | $77,188 |
| Delshire | 3,158 | $91,372 |
| Lincoln Heights, Hamilton County | 3,144 | $26,860 |
| Sixteen Mile Stand | 3,091 | $126,118 |
| Mount Healthy Heights | 2,918 | $53,346 |
| Newtown | 2,702 | $99,434 |
| Dry Ridge | 2,698 | $73,897 |
| Evendale | 2,669 | $148,500 |
| Terrace Park | 2,355 | $197,750 |
| Glendale | 2,298 | $111,932 |
| Elmwood Place | 2,087 | $44,692 |
| Rossmoyne | 1,788 | $44,422 |
| Fairfax | 1,768 | $75,000 |
| DunlapGEOID 3922960 | 1,658 | $73,421 |
| New BaltimoreGEOID 3954082 | 1,596 | $158,750 |
| HighpointGEOID 3935322 | 1,558 | $47,283 |
| Skyline AcresGEOID 3972648 | 1,446 | $46,250 |
| Blue Jay | 1,427 | $117,859 |
| ColdstreamGEOID 3916521 | 1,322 | $231,538 |
| GrandviewGEOID 3931262 | 1,312 | $104,750 |
| MiamitownGEOID 3949462 | 1,256 | $65,395 |
| Pleasant HillsGEOID 3963548 | 950 | $68,560 |
| Addyston | 927 | $50,417 |
| North Bend | 835 | $100,464 |
| Arlington Heights | 823 | $48,684 |
| Shawnee, Hamilton CountyGEOID 3971958 | 747 | $98,309 |
| Concorde HillsGEOID 3918244 | 644 | $196,691 |
| Madison PlaceGEOID 3946736 | 572 | not published |
| New Haven (Hamilton County)GEOID 3954684 | 572 | not published |
| RidgewoodGEOID 3967128 | 506 | $146,797 |
| Loveland Park | 1,737 | $118,636 |
| HoovenGEOID 3936232 | 464 | $41,250 |
| BreconGEOID 3908378 | 408 | $73,181 |
| Camp DennisonGEOID 3911150 | 384 | $100,893 |
| RemingtonGEOID 3966180 | 368 | $229,844 |
| ElizabethtownGEOID 3924850 | 323 | $38,728 |
| PlainvilleGEOID 3963072 | 120 | $65,875 |
| Milford | 6,582 | $78,057 |
| Fairfield | 44,907 | $77,937 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Hamilton County?
The median resident of Hamilton County is 36.9 years old; 23.0% are under 18 and 16.6% are 65 or older. The largest group is non-Hispanic white residents at 62.3%, then non-Hispanic Black residents at 23.9%. 6.3% of residents were born outside the United States.
| Measure | Hamilton County | Ohio | Change since 2015-2019 |
|---|---|---|---|
| Median age | 36.9±0.2 | 39.7 | no clear change |
| Under 18 years | 23.0% | 22.0% | – |
| 65 years and over | 16.6%±0.1 pts | 18.3% | – |
| Hispanic or Latino (any race) | 4.8% | 4.8% | +1.5 pts |
| White alone, not Hispanic | 62.3%±0.2 pts | 75.8% | −2.9 pts |
| Black or African American alone, not Hispanic | 23.9%±0.3 pts | 12.0% | −1.5 pts |
| Asian alone, not Hispanic | 2.7%±0.1 pts | 2.5% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.1%±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.1%±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 5.4%±0.3 pts | 4.3% | – |
| Some other race alone, not Hispanic | 0.6%±0.2 pts | 0.4% | – |
| Born outside the United States | 6.3%±0.3 pts | 5.2% | +0.6 pts |
| Speak a language other than English at home (age 5+) | 8.1%±0.3 pts | 8.0% | – |
| Civilian veterans (age 18+) | 5.5%±0.2 pts | 6.6% | – |
| With a disability | 13.1%±0.3 pts | 14.4% | – |
| No health insurance coverage | 5.8%±0.3 pts | 6.4% | no clear change |
| High school graduate or higher (age 25+) | 92.7%±0.3 pts | 91.8% | – |
| Bachelor's degree or higher (age 25+) | 41.8%±0.6 pts | 31.5% | +3.9 pts |
| Graduate or professional degree (age 25+) | 16.9%±0.4 pts | 12.2% | – |
| Moved from another state in the past year | 2.3%±0.2 pts | 1.6% | – |
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 County earn?
Half of Hamilton County's 354,739 households earn less than $72,470 a year (±$1,214), against $71,389 in Ohio. In 2015-2019 the median was $70,410 in 2024 dollars, so it rose by $2,060 after inflation. 15.0% of residents live below the poverty line.
| Measure | Hamilton County | Ohio | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $72,470±$1,214 | $71,389 | +$2,060 |
| Mean household income | $106,643±$1,762 | $96,990 | – |
| Per capita income | $45,936±$700 | $40,552 | +$2,160 |
| People below the poverty line | 15.0%±0.6 pts | 13.3% | −0.8 pts |
| Children under 18 below the poverty line | 19.8%±1.4 pts | 17.8% | −3.6 pts |
| Households receiving SNAP | 12.2%±0.4 pts | 12.5% | – |
| Households with a broadband subscription | 91.3%±0.5 pts | 90.1% | – |
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 County?
Owners occupy 59.3% of Hamilton County's occupied homes and renters 40.7%. The median owner-occupied home is valued at $241,900 by its owner (±$3,015). The median renter pays $1,075 a month including utilities, and 40.3% of renters pay 35% or more of their income on rent.
| Measure | Hamilton County | Ohio | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $241,900±$3,015 | $214,800 | +$50,650 |
| Median gross rent | $1,075±$16 | $1,034 | +$78 |
| Renters paying 35% or more of income on rent | 40.3%±1.2 pts | 37.3% | +1.7 pts |
| Median monthly owner costs, with a mortgage | $1,673±$16 | $1,517 | – |
| Owner-occupied homes | 59.3%±0.8 pts | 67.2% | +1.4 pts |
| Housing units | 381,356±217 | 5,292,391 | +1,954 |
| Homeowner vacancy rate | 0.6%±0.1 pts | 0.8% | – |
| Rental vacancy rate | 4.4%±0.5 pts | 4.4% | – |
| Single-family detached homes | 58.2%±0.6 pts | 68.8% | – |
| Mobile homes | 0.9%±0.1 pts | 3.4% | – |
| Built 2020 or later | 0.9%±0.1 pts | 1.1% | – |
| Built 1939 or earlier | 24.9%±0.6 pts | 19.0% | – |
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 Hamilton County building?
Builders took permits for 1,162 new housing units across Hamilton County in 2025 (648 single-family), 1.4 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Hamilton County get to work?
70.8% of Hamilton County's workers drive alone and 15.3% work from home. The average trip to work takes 22.8 minutes. The unemployment rate in 2020-2024 averaged 5.0%.
| Measure | Hamilton County | Ohio | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 66.2%±0.4 pts | 63.1% | – |
| Unemployment rate | 5.0%±0.4 pts | 4.8% | no clear change |
| Drove alone to work | 70.8%±0.6 pts | 75.1% | – |
| Carpooled | 7.0%±0.4 pts | 7.5% | – |
| Public transportation | 2.5%±0.3 pts | 1.0% | – |
| Walked | 2.7%±0.2 pts | 2.0% | – |
| Worked from home | 15.3%±0.6 pts | 13.0% | +10.4 pts |
| Mean travel time to work | 22.8 min±0.3 | 23.4 min | −0.8 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 are Hamilton County's census tracts?
Hamilton County is divided into 226 census tracts. Among those with a reliable estimate, median household income runs from $8,953 (Tract 77) to $250,000 or more (Tract 244.02).
All 226 census tracts of Hamilton County, with their figures
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Hamilton County compare with Ohio's other counties?
| Measure | Rank |
|---|---|
| Population | 3rd of 88 |
| Growth 2020-2025 | 27th of 88 |
| Residents per square mile | 3rd of 88 |
| Median household income | 33rd of 88 |
| Median home value | 15th of 88 |
| Median gross rent | 13th of 88 |
| Poverty rate | 29th of 88 |
| Bachelor's degree or higher | 4th of 88 |
| Median age | 83rd of 88 |
Source: PlainCities ranks 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 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 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.