Township · Ohio

Franklin Township, Mercer County, Ohio

Franklin Township, Mercer County, township, in Mercer County, Ohio. Franklin Township, Mercer County had 2,624 residents on July 1, 2025 by the Census Bureau's estimate, up 4.8% since 2020; the 2020 Census counted 2,511 and the ACS 2020-2024 5-year estimates put it at 2,539 (±24). GEOID 3910728350.

Residents, July 2025 estimate

2,624

Census Bureau estimate (no margin published)
2020 Census count: 2,511 · ACS 2020-2024: 2,539 ±24

Median household income

$62,456

±$10,983 (90% margin)
Ohio: $71,389

Median home value

$175,900

±$20,724 (90% margin)
Ohio: $214,800

Median gross rent

$858

±$245 (90% margin)
Ohio: $1,034

Where is Franklin Township, Mercer County and what county is it in?

Franklin Township, Mercer County is a township in Mercer County, Ohio. It covers 24.9 square miles of land, 101 residents per square mile in 2020.

One place lies inside Franklin Township (Mercer County): Montezuma (village, 152 in 2020).

Franklin Township, Mercer County is in the Celina, OH micropolitan statistical area (Census Bureau delineation, July 2023).

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

The Census Bureau estimates that 2,624 people lived in Franklin Township, Mercer County on July 1, 2025, up 4.8% since 2020, faster than Ohio (+0.9%). The 2020 Census counted 2,511 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 2,539 (±24).

  • July 2020→2021 +0 (2,508)
  • 2021→2022 +34 (2,542)
  • 2022→2023 +25 (2,567)
  • 2023→2024 +18 (2,585)
  • 2024→2025 +39 (2,624)
ACS 2020-2024 5-year estimates (counts) with the change from 2015-2019
MeasureFranklin Township, Mercer CountyMercer CountyOhioChange since 2015-2019
Total population2,539±2442,48411,810,293no clear change
Households1,238±12516,4084,863,191no clear change
Average household size2.05±0.212.562.37no clear change
Housing units1,936±12618,1035,292,391no clear change

Franklin Township, Mercer County's population since 2000

From 2,303 in 2000 to 2,624 in 2025: up 13.9%. The 2000, 2010 and 2020 figures are census counts, each for Franklin Township, Mercer 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 2,303
  • 2005 (estimate) 2,291
  • 2010 Census 2,285
  • 2015 (estimate) 2,268
  • 2020 Census 2,511
  • 2025 (estimate) 2,624

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 Franklin Township, Mercer County?

The median resident of Franklin Township, Mercer County is 52.4 years old; 16.0% are under 18 and 27.4% are 65 or older. The largest group is non-Hispanic white residents at 96.5%, then non-Hispanic residents of two or more races at 1.9%.

Age, origin, education and moves, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureFranklin Township, Mercer CountyMercer CountyOhioChange since 2015-2019
Median age52.4±7.239.439.7no clear change
Under 18 years16.0%±4.8 pts25.4%22.0%–
65 years and over27.4%±5.3 pts19.2%18.3%–
Male49.7%±5.1 pts50.7%49.3%–
Hispanic or Latino (any race)1.2%±1.9 pts2.2%4.8%–
White alone, not Hispanic96.5%±3.4 pts94.2%75.8%no clear change
Black or African American alone, not Hispanic0.0%±1.5 pts1.1%12.0%–
Asian alone, not Hispanic0.3%±0.7 pts0.5%2.5%–
American Indian and Alaska Native alone, not Hispanic0.0%±1.5 pts0.0%0.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±1.5 pts0.0%0.0%–
Two or more races, not Hispanic1.9%±2.7 pts1.9%4.3%–
Some other race alone, not Hispanic0.0%±1.5 pts0.0%0.4%–
Born outside the United States0.6%±0.7 pts1.7%5.2%–
Speak a language other than English at home (age 5+)0.4%±0.7 pts2.1%8.0%–
Civilian veterans (age 18+)7.0%±3.0 pts5.3%6.6%–
With a disability19.4%±5.6 pts10.9%14.4%–
No health insurance coverage1.2%±1.2 pts3.6%6.4%–
High school graduate or higher (age 25+)95.8%±2.4 pts95.2%91.8%–
Bachelor's degree or higher (age 25+)19.7%±6.0 pts21.9%31.5%no clear change
Graduate or professional degree (age 25+)4.0%±2.7 pts7.9%12.2%–
Lived in the same house a year earlier84.1%±6.8 pts89.9%88.1%–
Moved from another state in the past year1.7%±1.9 pts0.3%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 Franklin Township, Mercer County earn?

Half of Franklin Township, Mercer County's 1,238 households earn less than $62,456 a year (±$10,983), against $76,782 in Mercer County and $71,389 in Ohio. In 2015-2019 it was $68,667 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
MeasureFranklin Township, Mercer CountyMercer CountyOhioChange since 2015-2019
Median household income$62,456±$10,983$76,782$71,389no clear change
Mean household income$72,930±$7,388$91,265$96,990–
Per capita income$35,195±$3,661$35,761$40,552−$6,950
People below the poverty line7.1%±4.8 pts7.3%13.3%–
Children under 18 below the poverty line13.8%±18.6 pts7.1%17.8%–
Households receiving SNAP7.2%±6.1 pts6.8%12.5%–
Households with a computer96.4%±3.2 pts93.9%94.4%–
Households with a broadband subscription94.9%±3.4 pts91.5%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 Franklin Township, Mercer County?

Owners occupy 90.8% of Franklin Township, Mercer County's occupied homes and renters 9.2%. The median owner-occupied home is valued at $175,900 by its owner (±$20,724). The median renter pays $858 a month including utilities.

Housing, ACS 2020-2024 5-year estimates. Home values are owners' own estimates.
MeasureFranklin Township, Mercer CountyMercer CountyOhioChange since 2015-2019
Median home value (owner-occupied)$175,900±$20,724$210,600$214,800no clear change
Median gross rent$858±$245$804$1,034no clear change
Renters paying 35% or more of income on rent24.6%±22.4 pts25.0%37.3%–
Median monthly owner costs, with a mortgage$1,276±$134$1,340$1,517–
Owner-occupied homes90.8%±3.9 pts79.6%67.2%+9.6 pts
Renter-occupied homes9.2%±3.9 pts20.4%32.8%–
Housing units1,936±12618,1035,292,391no clear change
Homeowner vacancy rate3.6%±4.4 pts0.9%0.8%–
Rental vacancy rate26.5%±26.8 pts3.4%4.4%–
Single-family detached homes69.8%±6.4 pts80.7%68.8%–
Mobile homes27.4%±6.4 pts6.2%3.4%–
Built 2020 or later1.1%±1.7 pts1.7%1.1%–
Built 2010 to 20193.9%±3.4 pts6.3%5.6%–
Built 1939 or earlier7.5%±3.9 pts17.8%19.0%–
Households with no vehicle0.6%±1.0 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 many new homes is Franklin Township, Mercer County building?

Builders took permits for 14 new housing units in Franklin Township, Mercer County in 2025 (14 in single-family houses), 5.3 per 1,000 residents against 2.8 across Ohio.

  • 2019 5 units
  • 2020 6 units
  • 2021 20 units
  • 2022 10 units
  • 2023 8 units
  • 2024 (3 months) 15 units
  • 2025 14 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 Franklin Township, Mercer County work and get to work?

90.5% of Franklin Township, Mercer County's workers drive alone and 5.8% work from home. The average trip to work takes 23.9 minutes.

Work and commuting, ACS 2020-2024 5-year estimates (workers 16 and over)
MeasureFranklin Township, Mercer CountyMercer CountyOhioChange since 2015-2019
In the labor force (age 16+)57.4%±6.4 pts67.0%63.1%–
Unemployment rate5.7%±6.7 pts1.6%4.8%–
Drove alone to work90.5%±5.3 pts87.3%75.1%–
Carpooled3.4%±3.2 pts5.6%7.5%–
Public transportation0.0%±3.2 pts0.1%1.0%–
Walked0.0%±3.2 pts1.7%2.0%–
Worked from home5.8%±3.2 pts4.4%13.0%no clear change
Mean travel time to work23.9 min±4.318.5 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 Franklin Township, Mercer County?

1 census tract lies mostly in Franklin Township, Mercer County, and 1 more reaches into it (2020 census blocks).

Census tracts in Franklin Township, Mercer County, ACS 2020-2024 5-year estimates
TractResidents, 2020-2024Median household incomeMedian home valueShare of tract in Franklin Township, Mercer County
Tract 9678Mercer County2,392 $62,611 $171,10090%
Tract 9679Mercer County7,264 $109,325 $305,40011%

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 Franklin Township, Mercer County) · Census block assignment files

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

By the Census Bureau's July 2025 estimates, Franklin Township, Mercer County is the 3,964th-most populous of the 16,079 U.S. towns and townships that have one and the 542nd-most populous of 1,311 in Ohio.

Franklin Township, Mercer County ranks 1,198th of 1,699 places in Ohio with 1,000 or more residents and a reliable estimate, by median household income.

Franklin Township, Mercer 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 estimate542nd1,311
Growth 2020-2025 (PEP)135th1,589
Residents per square mile1,145th1,734
Median household income1,198th1,699
Per capita income947th1,729
Median home value1,022nd1,707
Median gross rent904th1,453
Bachelor's degree or higher945th1,613
Median age118th1,727
Owner-occupied share294th1,732
Work from home868th990
Travel time to work926th1,731

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

Every place in Ohio, sortable · Compare Franklin Township, Mercer 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 Franklin Township, Mercer County?

25 of the 57 figures for Franklin Township, Mercer 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 Franklin Township, Mercer 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.