Township · Ohio

Tiffin Township, Defiance County, Ohio

Tiffin Township, Defiance County, township, in Defiance County, Ohio. Tiffin Township, Defiance County had 1,582 residents on July 1, 2025 by the Census Bureau's estimate, up 0.5% since 2020; the 2020 Census counted 1,586 and the ACS 2020-2024 5-year estimates put it at 2,233 (±586). GEOID 3903976772.

Residents, July 2025 estimate

1,582

Census Bureau estimate (no margin published)
2020 Census count: 1,586 · ACS 2020-2024: 2,233 ±586

Median household income

$76,786

±$13,324 (90% margin)
Ohio: $71,389

Median home value

$151,400

±$34,489 (90% margin)
Ohio: $214,800

Median gross rent

$1,134

±$16 (90% margin)
Ohio: $1,034

Where is Tiffin Township, Defiance County and what county is it in?

Tiffin Township, Defiance County is a township in Defiance County, Ohio. It covers 36.4 square miles of land, 44 residents per square mile in 2020.

Tiffin Township, Defiance County is in the Defiance, OH micropolitan statistical area (Census Bureau delineation, July 2023).

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

The Census Bureau estimates that 1,582 people lived in Tiffin Township, Defiance County on July 1, 2025, up 0.5% since 2020, in line with Ohio (+0.9%). The 2020 Census counted 1,586 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 2,233 (±586).

  • July 2020→2021 +3 (1,575)
  • 2021→2022 −4 (1,571)
  • 2022→2023 +11 (1,582)
  • 2023→2024 +3 (1,585)
  • 2024→2025 −3 (1,582)
ACS 2020-2024 5-year estimates (counts) with the change from 2015-2019
MeasureTiffin Township, Defiance CountyDefiance CountyOhioChange since 2015-2019
Total population2,233±58638,34311,810,293no clear change
Households776±15515,3274,863,191no clear change
Average household size2.87±0.512.462.37no clear change
Housing units837±15816,5655,292,391no clear change

Tiffin Township, Defiance County's population since 2000

From 1,705 in 2000 to 1,582 in 2025: down 7.2%. The 2000, 2010 and 2020 figures are census counts, each for Tiffin Township, Defiance 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 1,705
  • 2005 (estimate) 1,647
  • 2010 Census 1,612
  • 2015 (estimate) 1,586
  • 2020 Census 1,586
  • 2025 (estimate) 1,582

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 Tiffin Township, Defiance County?

The median resident of Tiffin Township, Defiance County is 35.4 years old; 27.6% are under 18 and 14.6% are 65 or older. The largest group is non-Hispanic white residents at 88.5%, then non-Hispanic Black residents at 5.6%.

Age, origin, education and moves, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureTiffin Township, Defiance CountyDefiance CountyOhioChange since 2015-2019
Median age35.4±8.841.139.7no clear change
Under 18 years27.6%±9.2 pts22.5%22.0%–
65 years and over14.6%±6.7 pts20.2%18.3%–
Male52.5%±3.8 pts50.7%49.3%–
Hispanic or Latino (any race)3.0%±3.3 pts11.1%4.8%–
White alone, not Hispanic88.5%±7.4 pts84.7%75.8%no clear change
Black or African American alone, not Hispanic5.6%±5.5 pts1.6%12.0%–
Asian alone, not Hispanic0.0%±1.7 pts0.2%2.5%–
American Indian and Alaska Native alone, not Hispanic0.3%±0.5 pts0.1%0.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±1.7 pts0.1%0.0%–
Two or more races, not Hispanic2.6%±2.6 pts2.1%4.3%–
Some other race alone, not Hispanic0.0%±1.7 pts0.0%0.4%–
Born outside the United States2.3%±3.3 pts0.9%5.2%–
Speak a language other than English at home (age 5+)8.3%±7.7 pts5.2%8.0%–
Civilian veterans (age 18+)6.1%±3.8 pts5.9%6.6%–
With a disability19.7%±10.1 pts14.5%14.4%–
No health insurance coverage5.3%±2.9 pts8.4%6.4%–
High school graduate or higher (age 25+)96.6%±3.0 pts92.8%91.8%–
Bachelor's degree or higher (age 25+)13.9%±6.9 pts19.0%31.5%no clear change
Graduate or professional degree (age 25+)4.2%±3.3 pts6.5%12.2%–
Lived in the same house a year earlier93.8%±5.4 pts91.5%88.1%–
Moved from another state in the past year2.1%±4.4 pts1.8%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 Tiffin Township, Defiance County earn?

Half of Tiffin Township, Defiance County's 776 households earn less than $76,786 a year (±$13,324), against $73,064 in Defiance County and $71,389 in Ohio. In 2015-2019 it was $107,344 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
MeasureTiffin Township, Defiance CountyDefiance CountyOhioChange since 2015-2019
Median household income$76,786±$13,324$73,064$71,389no clear change
Mean household income$94,456±$14,331$88,073$96,990–
Per capita income$34,699±$8,960$35,589$40,552no clear change
People below the poverty line15.6%±10.3 pts10.5%13.3%–
Children under 18 below the poverty line28.6%±26.5 pts11.4%17.8%–
Households receiving SNAP4.3%±4.9 pts9.3%12.5%–
Households with a computer89.3%±6.6 pts93.9%94.4%–
Households with a broadband subscription85.6%±7.7 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 Tiffin Township, Defiance County?

Owners occupy 88.7% of Tiffin Township, Defiance County's occupied homes and renters 11.3%. The median owner-occupied home is valued at $151,400 by its owner (±$34,489). The median renter pays $1,134 a month including utilities.

Housing, ACS 2020-2024 5-year estimates. Home values are owners' own estimates.
MeasureTiffin Township, Defiance CountyDefiance CountyOhioChange since 2015-2019
Median home value (owner-occupied)$151,400±$34,489$163,200$214,800no clear change
Median gross rent$1,134±$16$846$1,034no clear change
Renters paying 35% or more of income on rent0.0%±41.5 pts26.0%37.3%–
Median monthly owner costs, with a mortgage$1,244±$391$1,216$1,517–
Owner-occupied homes88.7%±7.2 pts79.3%67.2%no clear change
Renter-occupied homes11.3%±7.2 pts20.7%32.8%–
Housing units837±15816,5655,292,391no clear change
Homeowner vacancy rate0.0%±5.3 pts1.4%0.8%–
Rental vacancy rate32.8%±26.3 pts9.8%4.4%–
Single-family detached homes87.6%±8.3 pts80.6%68.8%–
Mobile homes8.8%±7.1 pts4.6%3.4%–
Built 2020 or later0.0%±4.4 pts0.6%1.1%–
Built 2010 to 20192.4%±2.0 pts3.9%5.6%–
Built 1939 or earlier30.0%±12.6 pts25.9%19.0%–
Households with no vehicle3.6%±3.3 pts5.0%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 many new homes is Tiffin Township, Defiance County building?

Builders took permits for 5 new housing units in Tiffin Township, Defiance County in 2025 (5 in single-family houses), 3.2 per 1,000 residents against 2.8 across Ohio.

  • 2019 0 units
  • 2020 4 units
  • 2021 1 units
  • 2022 2 units
  • 2023 1 units
  • 2024 1 units
  • 2025 5 units

Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.

Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Tiffin Township, Defiance County work and get to work?

81.8% of Tiffin Township, Defiance County's workers drive alone and 14.2% work from home. The average trip to work takes 19.2 minutes.

Work and commuting, ACS 2020-2024 5-year estimates (workers 16 and over)
MeasureTiffin Township, Defiance CountyDefiance CountyOhioChange since 2015-2019
In the labor force (age 16+)68.0%±7.0 pts63.3%63.1%–
Unemployment rate5.9%±6.0 pts5.2%4.8%–
Drove alone to work81.8%±10.6 pts83.7%75.1%–
Carpooled4.0%±6.7 pts7.7%7.5%–
Public transportation0.0%±3.5 pts0.0%1.0%–
Walked0.0%±3.5 pts1.4%2.0%–
Worked from home14.2%±9.0 pts6.0%13.0%–
Mean travel time to work19.2 min±3.319.8 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 Tiffin Township, Defiance County?

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

Census tracts in Tiffin Township, Defiance County, ACS 2020-2024 5-year estimates
TractResidents, 2020-2024Median household incomeMedian home valueShare of tract in Tiffin Township, Defiance County
Tract 9581Defiance County4,170 $83,580 $161,30024%
Tract 9582Defiance County5,232 $83,804 $213,2008%

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 Tiffin Township, Defiance County) · Census block assignment files

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

By the Census Bureau's July 2025 estimates, Tiffin Township, Defiance County is the 5,784th-most populous of the 16,079 U.S. towns and townships that have one and the 813th-most populous of 1,311 in Ohio.

Tiffin Township, Defiance County ranks 749th of 1,699 places in Ohio with 1,000 or more residents and a reliable estimate, by median household income.

Tiffin Township, Defiance 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 estimate813th1,311
Growth 2020-2025 (PEP)590th1,589
Residents per square mile1,581st1,734
Median household income749th1,699
Per capita income985th1,729
Median home value1,330th1,707
Median gross rent288th1,453
Bachelor's degree or higher1,340th1,613
Median age1,513th1,727
Owner-occupied share393rd1,732
Work from home346th990
Travel time to work1,537th1,731

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

Every place in Ohio, sortable · Compare Tiffin Township, Defiance 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 Tiffin Township, Defiance County?

25 of the 57 figures for Tiffin Township, Defiance 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 Tiffin Township, Defiance 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.