Township · Ohio

Union Township, Brown County, Ohio

Union Township, Brown County, township, in Brown County, Ohio. Union Township, Brown County had 2,783 residents on July 1, 2025 by the Census Bureau's estimate, up 1.3% since 2020; the 2020 Census counted 2,739 and the ACS 2020-2024 5-year estimates put it at 2,744 (±19). GEOID 3901578232.

Residents, July 2025 estimate

2,783

Census Bureau estimate (no margin published)
2020 Census count: 2,739 · ACS 2020-2024: 2,744 ±19

Median household income

$52,500

±$15,620 (90% margin)
Ohio: $71,389

Median home value

$144,600

±$36,870 (90% margin)
Ohio: $214,800

Median gross rent

$741

±$50 (90% margin)
Ohio: $1,034

Where is Union Township, Brown County and what county is it in?

Union Township, Brown County is a township in Brown County, Ohio. It covers 38.0 square miles of land, 72 residents per square mile in 2020.

One place lies inside Union Township (Brown County): Ripley (village, 1,591 in 2020).

Union Township, Brown County is in the Cincinnati, OH-KY-IN metropolitan statistical area, which takes in 15 counties (Census Bureau delineation, July 2023).

Union Township, Brown County (marked with a dot) in Brown County, Ohio. Boundaries: Census Bureau 2024.

Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files

How many people live in Union Township, Brown County, and is it growing?

The Census Bureau estimates that 2,783 people lived in Union Township, Brown County on July 1, 2025, up 1.3% since 2020, in line with Ohio (+0.9%). The 2020 Census counted 2,739 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 2,744 (±19).

  • July 2020→2021 −9 (2,736)
  • 2021→2022 +8 (2,744)
  • 2022→2023 +7 (2,751)
  • 2023→2024 +25 (2,776)
  • 2024→2025 +7 (2,783)
ACS 2020-2024 5-year estimates (counts) with the change from 2015-2019
MeasureUnion Township, Brown CountyBrown CountyOhioChange since 2015-2019
Total population2,744±1943,84511,810,293−251
Households1,066±8617,1384,863,191no clear change
Average household size2.43±0.192.532.37no clear change
Housing units1,334±12719,5655,292,391−229

Union Township, Brown County's population since 2000

From 3,015 in 2000 to 2,783 in 2025: down 7.7%. The 2000, 2010 and 2020 figures are census counts, each for Union Township, Brown 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.

  • 2000 Census 3,015
  • 2005 (estimate) 3,125
  • 2010 Census 3,064
  • 2015 (estimate) 2,998
  • 2020 Census 2,739
  • 2025 (estimate) 2,783

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 Union Township, Brown County?

The median resident of Union Township, Brown County is 42.7 years old; 24.9% are under 18 and 22.8% are 65 or older. The largest group is non-Hispanic white residents at 91.0%, then non-Hispanic residents of two or more races at 5.4%.

Age, origin, education and moves, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureUnion Township, Brown CountyBrown CountyOhioChange since 2015-2019
Median age42.7±3.242.539.7no clear change
Under 18 years24.9%±3.6 pts22.8%22.0%–
65 years and over22.8%±3.2 pts19.1%18.3%–
Male45.4%±4.6 pts49.8%49.3%–
Hispanic or Latino (any race)1.2%±1.5 pts1.3%4.8%–
White alone, not Hispanic91.0%±4.0 pts94.7%75.8%−6.7 pts
Black or African American alone, not Hispanic1.9%±2.0 pts0.6%12.0%–
Asian alone, not Hispanic0.6%±0.9 pts0.3%2.5%–
American Indian and Alaska Native alone, not Hispanic0.0%±1.4 pts0.0%0.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±1.4 pts0.0%0.0%–
Two or more races, not Hispanic5.4%±2.8 pts3.0%4.3%–
Some other race alone, not Hispanic0.0%±1.4 pts0.1%0.4%–
Born outside the United States0.7%±0.9 pts0.6%5.2%–
Speak a language other than English at home (age 5+)0.8%±1.0 pts1.1%8.0%–
Civilian veterans (age 18+)6.6%±3.0 pts7.3%6.6%–
With a disability17.0%±3.4 pts17.9%14.4%–
No health insurance coverage8.1%±3.5 pts6.4%6.4%no clear change
High school graduate or higher (age 25+)85.4%±5.0 pts87.3%91.8%–
Bachelor's degree or higher (age 25+)11.3%±3.8 pts15.7%31.5%−8.7 pts
Graduate or professional degree (age 25+)5.1%±2.5 pts5.1%12.2%–
Lived in the same house a year earlier85.5%±5.3 pts92.1%88.1%–
Moved from another state in the past year4.0%±2.2 pts0.6%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 Union Township, Brown County earn?

Half of Union Township, Brown County's 1,066 households earn less than $52,500 a year (±$15,620), against $71,270 in Brown County and $71,389 in Ohio. In 2015-2019 it was $52,992 in 2024 dollars; the margins of error cannot tell the two periods apart. 24.4% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates; 2015-2019 dollars adjusted with the R-CPI-U-RS
MeasureUnion Township, Brown CountyBrown CountyOhioChange since 2015-2019
Median household income$52,500±$15,620$71,270$71,389no clear change
Mean household income$72,504±$8,254$89,014$96,990–
Per capita income$29,059±$3,689$34,980$40,552no clear change
People below the poverty line24.4%±6.2 pts19.6%13.3%no clear change
Children under 18 below the poverty line41.8%±12.8 pts26.1%17.8%no clear change
Households receiving SNAP19.0%±6.3 pts16.9%12.5%–
Households with a computer91.1%±3.9 pts90.9%94.4%–
Households with a broadband subscription87.7%±5.1 pts84.3%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 Union Township, Brown County?

Owners occupy 66.2% of Union Township, Brown County's occupied homes and renters 33.8%. The median owner-occupied home is valued at $144,600 by its owner (±$36,870). The median renter pays $741 a month including utilities, and 44.0% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates. Home values are owners' own estimates.
MeasureUnion Township, Brown CountyBrown CountyOhioChange since 2015-2019
Median home value (owner-occupied)$144,600±$36,870$196,200$214,800no clear change
Median gross rent$741±$50$817$1,034no clear change
Renters paying 35% or more of income on rent44.0%±14.4 pts37.2%37.3%no clear change
Median monthly owner costs, with a mortgage$1,161±$120$1,348$1,517–
Owner-occupied homes66.2%±7.3 pts77.2%67.2%no clear change
Renter-occupied homes33.8%±7.3 pts22.8%32.8%–
Housing units1,334±12719,5655,292,391−229
Homeowner vacancy rate1.9%±2.7 pts0.6%0.8%–
Rental vacancy rate2.4%±3.9 pts3.9%4.4%–
Single-family detached homes71.2%±6.4 pts75.7%68.8%–
Mobile homes13.0%±5.2 pts14.9%3.4%–
Built 2020 or later0.4%±0.6 pts1.9%1.1%–
Built 2010 to 20191.9%±2.1 pts3.0%5.6%–
Built 1939 or earlier30.7%±7.8 pts15.0%19.0%–
Households with no vehicle7.1%±4.5 pts5.9%7.5%–

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 Union Township, Brown County work and get to work?

79.3% of Union Township, Brown County's workers drive alone. The average trip to work takes 33.9 minutes. The unemployment rate in 2020-2024 averaged 9.8%.

Work and commuting, ACS 2020-2024 5-year estimates (workers 16 and over)
MeasureUnion Township, Brown CountyBrown CountyOhioChange since 2015-2019
In the labor force (age 16+)57.3%±4.5 pts57.1%63.1%–
Unemployment rate9.8%±4.8 pts4.9%4.8%–
Drove alone to work79.3%±7.0 pts81.8%75.1%–
Carpooled10.4%±5.1 pts10.0%7.5%–
Public transportation4.4%±6.1 pts0.5%1.0%–
Walked1.1%±1.2 pts0.3%2.0%–
Worked from home4.9%±3.5 pts6.5%13.0%–
Mean travel time to work33.9 min±4.533.9 min23.4 minno clear change

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 Union Township, Brown County?

1 census tract lies mostly in Union Township, Brown County, and 1 more reaches into it (2020 census blocks).

Census tracts in Union Township, Brown County, ACS 2020-2024 5-year estimates
TractResidents, 2020-2024Median household incomeMedian home valueShare of tract in Union Township, Brown County
Tract 9517Brown County2,261 $51,862 $130,40096%
Tract 9516Brown County3,409 $61,964 $169,00015%

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 Union Township, Brown County) · Census block assignment files

How does Union Township, Brown County compare with other places in Ohio?

By the Census Bureau's July 2025 estimates, Union Township, Brown County is the 3,777th-most populous of the 16,079 U.S. towns and townships that have one and the 511th-most populous of 1,311 in Ohio.

Union Township, Brown County ranks 1,476th of 1,699 places in Ohio with 1,000 or more residents and a reliable estimate, by median household income.

Union Township, Brown County's rank in Ohio (1 = highest): by population among the state's towns and townships with a 2025 estimate; by the other measures among places of 1,000+ residents with a reliable estimate
MeasureRankOf
Population, July 2025 estimate511th1,311
Growth 2020-2025 (PEP)439th1,589
Residents per square mile1,330th1,734
Median household income1,476th1,699
Per capita income1,421st1,729
Median home value1,384th1,707
Median gross rent1,284th1,453
Poverty rate104th1,116
Bachelor's degree or higher1,474th1,613
Median age768th1,727
Owner-occupied share1,391st1,732
Travel time to work154th1,731

Union Township, Brown County's figures with every place in Ohio (CSV)

Every place in Ohio, sortable · Compare Union Township, Brown 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 Union Township, Brown County?

15 of the 57 figures for Union Township, Brown 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 Union Township, Brown 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.