Township · Ohio

Washington Township, Preble County, Ohio

Washington Township, Preble County, township, in Preble County, Ohio. Washington Township, Preble County had 1,777 residents on July 1, 2025 by the Census Bureau's estimate, down 0.8% since 2020; the 2020 Census counted 1,809 and the ACS 2020-2024 5-year estimates put it at 1,622 (±216). GEOID 3913581564.

Residents, July 2025 estimate

1,777

Census Bureau estimate (no margin published)
2020 Census count: 1,809 · ACS 2020-2024: 1,622 ±216

Median household income

$84,861

±$20,225 (90% margin)
Ohio: $71,389

Median home value

$234,400

±$17,741 (90% margin)
Ohio: $214,800

Median gross rent

$905

±$158 (90% margin)
Ohio: $1,034

Where is Washington Township, Preble County and what county is it in?

Washington Township, Preble County is a township in Preble County, Ohio. It covers 39.5 square miles of land, 46 residents per square mile in 2020.

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

The Census Bureau estimates that 1,777 people lived in Washington Township, Preble County on July 1, 2025, down 0.8% since 2020, while Ohio grew 0.9%. The 2020 Census counted 1,809 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 1,622 (±216).

  • July 2020→2021 −6 (1,786)
  • 2021→2022 −15 (1,771)
  • 2022→2023 +1 (1,772)
  • 2023→2024 +8 (1,780)
  • 2024→2025 −3 (1,777)
ACS 2020-2024 5-year estimates (counts) with the change from 2015-2019
MeasureWashington Township, Preble CountyPreble CountyOhioChange since 2015-2019
Total population1,622±21640,76511,810,293−459
Households666±9316,7254,863,191no clear change
Average household size2.44±0.202.422.37−0.41
Housing units727±9318,1405,292,391no clear change

Washington Township, Preble County's population since 2000

From 2,104 in 2000 to 1,777 in 2025: down 15.5%. The 2000, 2010 and 2020 figures are census counts, each for Washington Township, Preble 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 2,104
  • 2005 (estimate) 1,884
  • 2010 Census 1,824
  • 2015 (estimate) 1,794
  • 2020 Census 1,809
  • 2025 (estimate) 1,777

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 Washington Township, Preble County?

The median resident of Washington Township, Preble County is 52.5 years old; 17.3% are under 18 and 30.5% are 65 or older. The largest group is non-Hispanic white residents at 97.0%, then non-Hispanic residents of two or more races at 1.7%.

Age, origin, education and moves, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureWashington Township, Preble CountyPreble CountyOhioChange since 2015-2019
Median age52.5±6.543.339.7no clear change
Under 18 years17.3%±4.0 pts22.2%22.0%–
65 years and over30.5%±5.7 pts20.4%18.3%–
Male54.4%±6.3 pts49.8%49.3%–
Hispanic or Latino (any race)1.4%±1.9 pts1.1%4.8%–
White alone, not Hispanic97.0%±2.1 pts95.0%75.8%no clear change
Black or African American alone, not Hispanic0.0%±2.3 pts0.7%12.0%–
Asian alone, not Hispanic0.0%±2.3 pts0.1%2.5%–
American Indian and Alaska Native alone, not Hispanic0.0%±2.3 pts0.0%0.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±2.3 pts0.0%0.0%–
Two or more races, not Hispanic1.7%±1.3 pts2.8%4.3%–
Some other race alone, not Hispanic0.0%±2.3 pts0.3%0.4%–
Born outside the United States2.8%±2.0 pts0.6%5.2%–
Speak a language other than English at home (age 5+)2.3%±2.1 pts1.5%8.0%–
Civilian veterans (age 18+)12.4%±5.7 pts7.7%6.6%–
With a disability19.8%±10.4 pts15.8%14.4%–
No health insurance coverage4.6%±5.5 pts5.4%6.4%–
High school graduate or higher (age 25+)96.7%±2.4 pts92.5%91.8%–
Bachelor's degree or higher (age 25+)31.1%±12.8 pts18.5%31.5%no clear change
Graduate or professional degree (age 25+)14.6%±6.7 pts6.9%12.2%–
Lived in the same house a year earlier97.0%±2.7 pts92.5%88.1%–
Moved from another state in the past year1.2%±2.0 pts1.2%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 Washington Township, Preble County earn?

Half of Washington Township, Preble County's 666 households earn less than $84,861 a year (±$20,225), against $69,223 in Preble County and $71,389 in Ohio. In 2015-2019 it was $97,827 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
MeasureWashington Township, Preble CountyPreble CountyOhioChange since 2015-2019
Median household income$84,861±$20,225$69,223$71,389no clear change
Mean household income$116,593±$26,816$84,162$96,990–
Per capita income$50,258±$10,781$34,711$40,552no clear change
People below the poverty line7.2%±5.6 pts12.6%13.3%–
Children under 18 below the poverty line10.0%±17.0 pts18.9%17.8%–
Households receiving SNAP4.8%±4.2 pts10.2%12.5%–
Households with a computer96.5%±3.0 pts93.6%94.4%–
Households with a broadband subscription92.0%±4.4 pts88.0%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 Washington Township, Preble County?

Owners occupy 91.1% of Washington Township, Preble County's occupied homes and renters 8.9%. The median owner-occupied home is valued at $234,400 by its owner (±$17,741). The median renter pays $905 a month including utilities.

Housing, ACS 2020-2024 5-year estimates. Home values are owners' own estimates.
MeasureWashington Township, Preble CountyPreble CountyOhioChange since 2015-2019
Median home value (owner-occupied)$234,400±$17,741$180,900$214,800no clear change
Median gross rent$905±$158$794$1,034−$249
Renters paying 35% or more of income on rent4.2%±5.8 pts30.5%37.3%–
Median monthly owner costs, with a mortgage$1,567±$230$1,278$1,517–
Owner-occupied homes91.1%±4.5 pts79.7%67.2%+11.0 pts
Renter-occupied homes8.9%±4.5 pts20.3%32.8%–
Housing units727±9318,1405,292,391no clear change
Homeowner vacancy rate0.0%±6.0 pts0.6%0.8%–
Rental vacancy rate0.0%±41.5 pts3.6%4.4%–
Single-family detached homes98.5%±2.1 pts86.9%68.8%–
Mobile homes1.5%±2.1 pts3.2%3.4%–
Built 2020 or later1.4%±2.2 pts0.4%1.1%–
Built 2010 to 20190.0%±5.0 pts3.3%5.6%–
Built 1939 or earlier24.8%±10.8 pts26.8%19.0%–
Households with no vehicle1.7%±1.7 pts4.0%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 Washington Township, Preble County work and get to work?

84.9% of Washington Township, Preble County's workers drive alone. The average trip to work takes 21.6 minutes.

Work and commuting, ACS 2020-2024 5-year estimates (workers 16 and over)
MeasureWashington Township, Preble CountyPreble CountyOhioChange since 2015-2019
In the labor force (age 16+)52.5%±9.1 pts61.9%63.1%–
Unemployment rate2.5%±3.0 pts3.2%4.8%–
Drove alone to work84.9%±7.9 pts82.8%75.1%–
Carpooled6.1%±5.5 pts7.2%7.5%–
Public transportation0.0%±5.2 pts0.1%1.0%–
Walked4.4%±3.5 pts2.0%2.0%–
Worked from home4.7%±4.0 pts7.3%13.0%–
Mean travel time to work21.6 min±4.426.4 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 Washington Township, Preble County?

1 census tract lies mostly in Washington Township, Preble County, and 2 more reach into it (2020 census blocks).

Census tracts in Washington Township, Preble County, ACS 2020-2024 5-year estimates
TractResidents, 2020-2024Median household incomeMedian home valueShare of tract in Washington Township, Preble County
Tract 4501Preble County2,231 $72,656 $249,60084%
Tract 4550.02Preble County5,715 $45,988 $146,3007%
Tract 4550.01Preble County2,015 $62,644 $144,50014%

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 Washington Township, Preble County) · Census block assignment files

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

By the Census Bureau's July 2025 estimates, Washington Township, Preble County is the 5,312th-most populous of the 16,079 U.S. towns and townships that have one and the 757th-most populous of 1,311 in Ohio.

Washington Township, Preble County ranks 546th of 1,699 places in Ohio with 1,000 or more residents and a reliable estimate, by median household income.

Washington Township, Preble 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 estimate757th1,311
Growth 2020-2025 (PEP)1,017th1,589
Residents per square mile1,561st1,734
Median household income546th1,699
Per capita income217th1,729
Median home value541st1,707
Median gross rent740th1,453
Bachelor's degree or higher427th1,613
Median age114th1,727
Owner-occupied share282nd1,732
Travel time to work1,260th1,731

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

Every place in Ohio, sortable · Compare Washington Township, Preble 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 Washington Township, Preble County?

26 of the 57 figures for Washington Township, Preble 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 Washington Township, Preble 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.