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Mark Township, Ohio

Township in Defiance County, Ohio · ZIP 43526, 43536, 43556

  • Defiance County
  • Census data · ACS 2019-2023
  • 910 (2024 estimate)Population
  • 252Households
  • $94,375Median household income
  • $110,600Median home value
  • 3ZIP codes

About Mark Township

This page shows only what has been published about Mark Township: Census facts with their sources first, then its businesses, jobs, events, people in public roles, housing and questions as they are added. Nothing here is written by the town government.

Town intelligenceOfficial sources, refreshed yearly

Population, 2000 to 2020−6.8%
9009259509752000: 96820002010: 90820102020: 9022020968902
Population of Mark Township at each census
CensusPopulation
2000968
2010908
2020902

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, county subdivision level, state 39, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county subdivision level, state 39, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county subdivision level, state 39, retrieved November 14, 2026.

Household income in Mark Township
Under $50k11.2%
$50k to $100k48.8%
$100k to $150k31%
$150k to $200k4.4%
$200k and over4.8%

Median household income $94,375 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county subdivision level, state 39, retrieved November 14, 2026.

Housing tenure in Mark Township
Owner occupied
238 units
Renter occupied
14 units
Vacancy rate
0%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, county subdivision level, state 39, retrieved November 14, 2026.

Mark Township compared with its county and state
Mark Township compared with its county and state, American Community Survey 2019-2023
MeasureMark TownshipDefiance CountyOhio
Population72638,25811,780,046
Median household income$94,375$73,615$69,680
Median age33.940.839.6
Median home value$110,600$150,900$199,200
Bachelor’s degree or higher10.3%20.1%30.9%
Foreign-born residents0.0%1.6%5.0%
Owner-occupied homes94.4%78.6%67.0%
Mean commute to work24.7 minutes20.2 minutes23.6 minutes

Source: American Community Survey 5-year data profile 2019–2023, county subdivision level, state 39, retrieved November 14, 2026.

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Nearby towns

Other towns in Defiance County

All towns in Defiance County