Township · Ohio
Marion Township, Marion County, Ohio
Marion Township, Marion County, township, in Marion County, Ohio. Marion Township, Marion County had 43,499 residents on July 1, 2025 by the Census Bureau's estimate, down 1.1% since 2020; the 2020 Census counted 43,796 and the ACS 2020-2024 5-year estimates put it at 43,566 (±108). GEOID 3910147768.
Residents, July 2025 estimate
43,499
Census Bureau estimate (no margin published)
2020 Census count: 43,796 · ACS 2020-2024: 43,566 ±108
Median household income
$49,743
±$2,897 (90% margin)
Ohio: $71,389
Median home value
$127,700
±$8,342 (90% margin)
Ohio: $214,800
Median gross rent
$865
±$35 (90% margin)
Ohio: $1,034
Where is Marion Township, Marion County and what county is it in?
Marion Township, Marion County is a township in Marion County, Ohio. It covers 36.7 square miles of land, 1,194 residents per square mile in 2020.
One place lies inside Marion Township (Marion County): Marion (city, 35,999 in 2020).
Marion Township, Marion County is in the Marion, OH micropolitan statistical area (Census Bureau delineation, July 2023).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Marion Township, Marion County, and is it growing?
The Census Bureau estimates that 43,499 people lived in Marion Township, Marion County on July 1, 2025, down 1.1% since 2020, while Ohio grew 0.9%. The 2020 Census counted 43,796 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 43,566 (±108).
| Measure | Marion Township, Marion County | Marion County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 43,566±108 | 65,020 | −258 |
| Households | 16,050±447 | 24,683 | no clear change |
| Average household size | 2.38±0.07 | 2.41 | no clear change |
| Housing units | 18,088±361 | 27,358 | −513 |
Marion Township, Marion County's population since 2000
From 44,908 in 2000 to 43,499 in 2025: down 3.1%. The 2000, 2010 and 2020 figures are census counts, each for Marion Township, Marion 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.
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 Marion Township, Marion County?
The median resident of Marion Township, Marion County is 39.1 years old; 20.2% are under 18 and 16.6% are 65 or older. The largest group is non-Hispanic white residents at 81.6%, then non-Hispanic Black residents at 7.0%. 1.6% of residents were born outside the United States.
| Measure | Marion Township, Marion County | Marion County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 39.1±1.0 | 40.1 | no clear change |
| Under 18 years | 20.2%±0.9 pts | 21.3% | – |
| 65 years and over | 16.6%±0.9 pts | 18.7% | – |
| Male | 53.8%±0.9 pts | 53.8% | – |
| Hispanic or Latino (any race) | 4.1%±0.4 pts | 3.2% | +0.9 pts |
| White alone, not Hispanic | 81.6%±0.7 pts | 86.3% | −3.4 pts |
| Black or African American alone, not Hispanic | 7.0%±0.7 pts | 4.7% | no clear change |
| Asian alone, not Hispanic | 0.6%±0.2 pts | 0.6% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±0.1 pts | 0.0% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 6.1%±0.8 pts | 4.6% | – |
| Some other race alone, not Hispanic | 0.6%±0.4 pts | 0.6% | – |
| Born outside the United States | 1.6%±0.7 pts | 1.5% | no clear change |
| Speak a language other than English at home (age 5+) | 4.1%±0.9 pts | 3.8% | – |
| Civilian veterans (age 18+) | 7.9%±1.1 pts | 7.9% | – |
| With a disability | 19.8%±1.9 pts | 17.2% | – |
| No health insurance coverage | 6.3%±1.1 pts | 5.4% | no clear change |
| High school graduate or higher (age 25+) | 87.0%±1.6 pts | 89.3% | – |
| Bachelor's degree or higher (age 25+) | 12.0%±1.2 pts | 14.7% | no clear change |
| Graduate or professional degree (age 25+) | 3.9%±0.7 pts | 5.1% | – |
| Lived in the same house a year earlier | 84.9%±1.9 pts | 88.2% | – |
| Moved from another state in the past year | 0.3%±0.2 pts | 0.4% | – |
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 Marion Township, Marion County earn?
Half of Marion Township, Marion County's 16,050 households earn less than $49,743 a year (±$2,897), against $59,371 in Marion County and $71,389 in Ohio. In 2015-2019 it was $48,772 in 2024 dollars; the margins of error cannot tell the two periods apart. 20.4% of residents live below the poverty line.
| Measure | Marion Township, Marion County | Marion County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $49,743±$2,897 | $59,371 | no clear change |
| Mean household income | $63,613±$3,129 | $76,923 | – |
| Per capita income | $24,700±$1,090 | $30,260 | no clear change |
| People below the poverty line | 20.4%±2.6 pts | 16.6% | no clear change |
| Children under 18 below the poverty line | 25.7%±5.6 pts | 21.7% | no clear change |
| Households receiving SNAP | 22.0%±2.9 pts | 17.0% | – |
| Households with a computer | 92.3%±1.6 pts | 93.2% | – |
| Households with a broadband subscription | 86.7%±2.3 pts | 86.8% | – |
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 Marion Township, Marion County?
Owners occupy 55.9% of Marion Township, Marion County's occupied homes and renters 44.1%. The median owner-occupied home is valued at $127,700 by its owner (±$8,342). The median renter pays $865 a month including utilities, and 40.0% of renters pay 35% or more of their income on rent.
| Measure | Marion Township, Marion County | Marion County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $127,700±$8,342 | $156,800 | +$29,368 |
| Median gross rent | $865±$35 | $864 | no clear change |
| Renters paying 35% or more of income on rent | 40.0%±4.4 pts | 39.5% | no clear change |
| Median monthly owner costs, with a mortgage | $1,122±$40 | $1,259 | – |
| Owner-occupied homes | 55.9%±2.9 pts | 67.5% | no clear change |
| Renter-occupied homes | 44.1%±2.9 pts | 32.5% | – |
| Housing units | 18,088±361 | 27,358 | −513 |
| Homeowner vacancy rate | 0.3%±0.4 pts | 0.8% | – |
| Rental vacancy rate | 2.6%±1.6 pts | 3.7% | – |
| Single-family detached homes | 69.1%±2.6 pts | 75.9% | – |
| Mobile homes | 3.2%±1.3 pts | 4.6% | – |
| Built 2020 or later | 0.2%±0.2 pts | 0.5% | – |
| Built 2010 to 2019 | 3.0%±1.0 pts | 3.3% | – |
| Built 1939 or earlier | 31.3%±2.4 pts | 28.7% | – |
| Households with no vehicle | 10.0%±2.6 pts | 6.9% | – |
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 Marion Township, Marion County building?
Builders took permits for 0 new housing units in Marion Township, Marion County in 2025 (0 in single-family houses), 0.0 per 1,000 residents against 2.8 across Ohio.
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 Marion Township, Marion County work and get to work?
80.5% of Marion Township, Marion County's workers drive alone and 5.0% work from home. The average trip to work takes 21.1 minutes. The unemployment rate in 2020-2024 averaged 8.8%.
| Measure | Marion Township, Marion County | Marion County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 50.6%±1.9 pts | 53.2% | – |
| Unemployment rate | 8.8%±1.9 pts | 6.3% | no clear change |
| Drove alone to work | 80.5%±2.9 pts | 82.3% | – |
| Carpooled | 10.6%±2.3 pts | 8.6% | – |
| Public transportation | 1.2%±0.7 pts | 0.7% | – |
| Walked | 1.0%±0.6 pts | 0.9% | – |
| Worked from home | 5.0%±1.3 pts | 6.2% | +2.0 pts |
| Mean travel time to work | 21.1 min±1.5 | 24.5 min | no 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 Marion Township, Marion County?
13 census tracts lie mostly in Marion Township, Marion County, and 4 more reach into it (2020 census blocks). Their median household incomes run from $30,541 (Tract 9) to $65,357 (Tract 5.02).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 6Marion County | 4,774 | $62,708 |
| Tract 102.02Marion County | 4,773 | not published |
| Tract 9Marion County | 4,117 | $30,541 |
| Tract 10Marion County | 3,618 | $60,893 |
| Tract 4Marion County | 3,539 | $56,970 |
| Tract 5.01Marion County | 2,891 | $56,188 |
| Tract 5.02Marion County | 2,754 | $65,357 |
| Tract 7Marion County | 2,627 | $54,519 |
| Tract 11Marion County | 2,549 | $46,333 |
| Tract 2Marion County | 2,540 | $40,340 |
| Tract 8Marion County | 2,497 | $41,635 |
| Tract 3Marion County | 2,010 | $33,910 |
Every census tract in Marion Township, Marion County, with its figures
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 Marion Township, Marion County) · Census block assignment files
How does Marion Township, Marion County compare with other places in Ohio?
By the Census Bureau's July 2025 estimates, Marion Township, Marion County is the 203rd-most populous of the 16,079 U.S. towns and townships that have one and the 16th-most populous of 1,311 in Ohio.
Marion Township, Marion County ranks 1,533rd of 1,699 places in Ohio with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 16th | 1,311 |
| Growth 2020-2025 (PEP) | 1,085th | 1,589 |
| Residents per square mile | 497th | 1,734 |
| Median household income | 1,533rd | 1,699 |
| Per capita income | 1,639th | 1,729 |
| Median home value | 1,476th | 1,707 |
| Median gross rent | 877th | 1,453 |
| Poverty rate | 180th | 1,116 |
| Bachelor's degree or higher | 1,441st | 1,613 |
| Median age | 1,183rd | 1,727 |
| Owner-occupied share | 1,613th | 1,732 |
| Work from home | 903rd | 990 |
| Travel time to work | 1,341st | 1,731 |
Marion Township, Marion County's figures with every place in Ohio (CSV)
Every place in Ohio, sortable · Compare Marion Township, Marion 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 Marion Township, Marion County?
6 of the 57 figures for Marion Township, Marion 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 Marion Township, Marion 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.