Township · Ohio

Union Township, Union County, Ohio

Union Township, Union County, township, in Union County, Ohio. Union Township, Union County had 2,005 residents on July 1, 2025 by the Census Bureau's estimate, up 18.8% since 2020; the 2020 Census counted 1,710 and the ACS 2020-2024 5-year estimates put it at 1,538 (±281). GEOID 3915978582.

Residents, July 2025 estimate

2,005

Census Bureau estimate (no margin published)
2020 Census count: 1,710 · ACS 2020-2024: 1,538 ±281

Median household income

$108,438

±$23,384 (90% margin)
Ohio: $71,389

Median home value

$243,000

±$35,796 (90% margin)
Ohio: $214,800

Median gross rent

$1,438

±$595 (90% margin)
Ohio: $1,034

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

Union Township, Union County is a township in Union County, Ohio. It covers 35.6 square miles of land, 48 residents per square mile in 2020.

One place lies inside Union Township (Union County): Milford Center (village, 807 in 2020).

Union Township, Union County is in the Columbus, OH metropolitan statistical area, which takes in 10 counties (Census Bureau delineation, July 2023).

Union Township, Union County (marked with a dot) in Union 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, Union County, and is it growing?

The Census Bureau estimates that 2,005 people lived in Union Township, Union County on July 1, 2025, up 18.8% since 2020, faster than Ohio (+0.9%). The 2020 Census counted 1,710 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 1,538 (±281).

  • July 2020→2021 +59 (1,755)
  • 2021→2022 +67 (1,822)
  • 2022→2023 +76 (1,898)
  • 2023→2024 +60 (1,958)
  • 2024→2025 +47 (2,005)
ACS 2020-2024 5-year estimates (counts) with the change from 2015-2019
MeasureUnion Township, Union CountyUnion CountyOhioChange since 2015-2019
Total population1,538±28167,32411,810,293no clear change
Households514±9124,2324,863,191−164
Average household size2.99±0.352.672.37no clear change
Housing units589±9025,1585,292,391−156

Union Township, Union County's population since 2000

From 1,565 in 2000 to 2,005 in 2025: up 28.1%. The 2000, 2010 and 2020 figures are census counts, each for Union Township, Union 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 1,565
  • 2005 (estimate) 1,689
  • 2010 Census 1,763
  • 2015 (estimate) 1,839
  • 2020 Census 1,710
  • 2025 (estimate) 2,005

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, Union County?

The median resident of Union Township, Union County is 38.8 years old; 23.3% are under 18 and 14.3% are 65 or older. The largest group is non-Hispanic white residents at 79.4%, then non-Hispanic residents of two or more races at 7.5%.

Age, origin, education and moves, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureUnion Township, Union CountyUnion CountyOhioChange since 2015-2019
Median age38.8±9.138.539.7no clear change
Under 18 years23.3%±5.9 pts24.1%22.0%–
65 years and over14.3%±5.1 pts13.2%18.3%–
Male52.6%±5.0 pts48.5%49.3%–
Hispanic or Latino (any race)2.1%±2.9 pts3.4%4.8%–
White alone, not Hispanic79.4%±10.8 pts84.5%75.8%−14.2 pts
Black or African American alone, not Hispanic4.9%±5.0 pts2.3%12.0%–
Asian alone, not Hispanic0.1%±0.2 pts5.0%2.5%–
American Indian and Alaska Native alone, not Hispanic1.0%±1.7 pts0.1%0.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±2.4 pts0.0%0.0%–
Two or more races, not Hispanic7.5%±4.5 pts4.2%4.3%–
Some other race alone, not Hispanic4.8%±6.3 pts0.5%0.4%–
Born outside the United States1.6%±2.2 pts6.2%5.2%–
Speak a language other than English at home (age 5+)3.9%±4.1 pts7.9%8.0%–
Civilian veterans (age 18+)5.2%±2.5 pts5.6%6.6%–
With a disability16.4%±5.5 pts10.5%14.4%–
No health insurance coverage8.4%±4.3 pts3.8%6.4%–
High school graduate or higher (age 25+)96.2%±3.5 pts95.8%91.8%–
Bachelor's degree or higher (age 25+)24.4%±7.9 pts39.2%31.5%no clear change
Graduate or professional degree (age 25+)7.3%±5.1 pts13.7%12.2%–
Lived in the same house a year earlier87.5%±8.6 pts86.8%88.1%–
Moved from another state in the past year0.0%±2.4 pts2.0%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, Union County earn?

Half of Union Township, Union County's 514 households earn less than $108,438 a year (±$23,384), against $112,322 in Union County and $71,389 in Ohio. In 2015-2019 it was $87,892 in 2024 dollars; the margins of error cannot tell the two periods apart.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates; 2015-2019 dollars adjusted with the R-CPI-U-RS
MeasureUnion Township, Union CountyUnion CountyOhioChange since 2015-2019
Median household income$108,438±$23,384$112,322$71,389no clear change
Mean household income$111,332±$13,265$137,663$96,990–
Per capita income$38,282±$4,535$50,711$40,552no clear change
People below the poverty line1.6%±1.3 pts5.0%13.3%–
Children under 18 below the poverty line1.1%±2.1 pts4.0%17.8%–
Households receiving SNAP8.8%±7.6 pts4.9%12.5%–
Households with a computer95.1%±5.8 pts97.6%94.4%–
Households with a broadband subscription91.6%±5.9 pts95.2%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, Union County?

Owners occupy 91.6% of Union Township, Union County's occupied homes and renters 8.4%. The median owner-occupied home is valued at $243,000 by its owner (±$35,796). The median renter pays $1,438 a month including utilities.

Housing, ACS 2020-2024 5-year estimates. Home values are owners' own estimates.
MeasureUnion Township, Union CountyUnion CountyOhioChange since 2015-2019
Median home value (owner-occupied)$243,000±$35,796$344,900$214,800+$61,719
Median gross rent$1,438±$595$1,247$1,034no clear change
Renters paying 35% or more of income on rent17.1%±20.9 pts26.7%37.3%–
Median monthly owner costs, with a mortgage$1,542±$132$1,968$1,517–
Owner-occupied homes91.6%±4.9 pts79.2%67.2%+11.7 pts
Renter-occupied homes8.4%±4.9 pts20.8%32.8%–
Housing units589±9025,1585,292,391−156
Homeowner vacancy rate0.0%±7.6 pts0.0%0.8%–
Rental vacancy rate0.0%±48.6 pts1.1%4.4%–
Single-family detached homes98.5%±1.3 pts80.1%68.8%–
Mobile homes0.5%±0.6 pts3.8%3.4%–
Built 2020 or later0.3%±0.5 pts5.7%1.1%–
Built 2010 to 20194.4%±5.7 pts18.6%5.6%–
Built 1939 or earlier46.7%±11.8 pts14.8%19.0%–
Households with no vehicle10.7%±9.4 pts2.4%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, Union County work and get to work?

69.7% of Union Township, Union County's workers drive alone. The average trip to work takes 24.5 minutes.

Work and commuting, ACS 2020-2024 5-year estimates (workers 16 and over)
MeasureUnion Township, Union CountyUnion CountyOhioChange since 2015-2019
In the labor force (age 16+)67.2%±8.1 pts68.4%63.1%–
Unemployment rate1.7%±2.0 pts2.6%4.8%–
Drove alone to work69.7%±10.2 pts70.0%75.1%–
Carpooled15.9%±7.4 pts5.9%7.5%–
Public transportation0.0%±4.5 pts0.7%1.0%–
Walked0.0%±4.5 pts0.5%2.0%–
Worked from home13.0%±9.7 pts21.6%13.0%–
Mean travel time to work24.5 min±3.826.0 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, Union County?

No census tract lies mostly in Union Township, Union County; 2 tracts reach into it (2020 census blocks).

Census tracts in Union Township, Union County, ACS 2020-2024 5-year estimates
TractResidents, 2020-2024Median household incomeMedian home valueShare of tract in Union Township, Union County
Tract 507.02Union County3,144 $98,966 $277,80043%
Tract 507.01Union County4,748 $153,750 $434,20013%

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, Union County) · Census block assignment files

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

By the Census Bureau's July 2025 estimates, Union Township, Union County is the 4,831st-most populous of the 16,079 U.S. towns and townships that have one and the 682nd-most populous of 1,311 in Ohio.

Union Township, Union County ranks 192nd of 1,699 places in Ohio with 1,000 or more residents and a reliable estimate, by median household income.

Union Township, Union 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 estimate682nd1,311
Growth 2020-2025 (PEP)22nd1,589
Residents per square mile1,533rd1,734
Median household income192nd1,699
Per capita income733rd1,729
Median home value486th1,707
Median gross rent113th1,453
Bachelor's degree or higher675th1,613
Median age1,209th1,727
Owner-occupied share254th1,732
Travel time to work846th1,731

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

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

24 of the 57 figures for Union Township, Union 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, Union 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.