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Marion township, Ohio

Marion township profile, demographic data, and geographic information.

Marion township is a geographic entity located in Mercer County, Ohio. As of official census estimates, it has a reported population of 3,381. The land area covers 41.41 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 3,381 — 2025 / Census
Median Age 41.1 yrs ±9.3 2020-2024 / Census ACS 5-Year 2024
Total Households 1,201 ±127 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 1,223 ±130
Occupied Housing Units 1,201 ±127
Vacant Housing Units 22 ±25
Median Home Value $307,500 ±$30,376
Median Gross Rent $1,004 ±$487
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $102,422 ±$23,897
Per Capita Income $41,025 ±$7,826
Poverty Rate 1.3% ±1.6%
Population Below Poverty Level 41 ±53
Unemployment Rate 0% ±0.7%
Civilian Labor Force, Employed 1,859 ±182
Broadband Internet Rate 95.8% ±2%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
TOWNSHIP OF MARION
GUS Population: 3,365 (2024)
ID: 132696
Township Official Local Government
Contact: FISCAL CLERK
PO BOX 56, MARIA STEIN OH 45860-0056
GUS Population: 42,648 (2024)
ID: 132376
County Official County Government
101 N MAIN ST, ROOM 209, CELINA OH 45822

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Marion PK-05 Marion, OH
Regular School Marion 09-12 Marion, OH
Regular School Marion KG-05 Marion, OH
Regular School Marion 09-12 Marion, OH
Regular School Marion 06-08 Marion, OH
Regular School Marion PK-05 Marion, OH
Regular School Marion 09-12 Marion, OH
Regular School Marion KG-05 Marion, OH
Regular School Marion PK-05 Marion, OH
Regular School Marion KG-08 Marion, OH
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 10 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Wright State University-Lake Campus
College 10.1 mi away 7600 Lake Campus Drive, Celina, OH, 45822
4195860300
MARION BRANCH LIBRARY
Library 2.8 mi away 5 E FRANKLIN ST, CHICKASAW, OH, 45826
(419) 925-4966
Upper Valley Career Center
College Vocational 23.0 mi away 8811 Career Drive, Piqua, OH, 45356
9377781980
ST. HENRY BRANCH LIBRARY
Library 6.5 mi away 200 E MAIN ST, ST. HENRY, OH, 45883
(419) 678-3128
Edison State Community College
College 23.2 mi away 1973 Edison Dr, Piqua, OH, 45356-9239
9377788600
FRANCIS J. STALLO MEMORIAL LIBRARY
Library 7.4 mi away 196 E. FOURTH ST., MINSTER, OH, 45865
(419) 682-4556
NEW BREMEN PUBLIC LIBRARY
Library 7.6 mi away 45 S. WASHINGTON ST., NEW BREMEN, OH, 45869
(419) 629-2158
COLDWATER PUBLIC LIBRARY
Library 8.1 mi away 305 W. MAIN ST., COLDWATER, OH, 45828
(419) 678-2431
A.J. WISE-FORT LORAMIE BRANCH
Library 8.7 mi away 300 E PARK ST, FORT LORAMIE, OH, 45845
(937) 295-3155
MERCER COUNTY DISTRICT PUBLIC LIBRARY
Library 10.8 mi away 303 N. MAIN ST., CELINA, OH, 45822
(419) 586-4442
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at CELINA 3 NE, OH US, located 11.7 miles from Marion township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 33.7° 18.7° 26.2° 2.76" 10.8"
February 37.9° 21.5° 29.7° 2.32" 7.1"
March 48.8° 29.7° 39.3° 2.87" 4.1"
April 62.7° 39.7° 51.2° 3.86" 0.5"
May 73.1° 51.1° 62.1° 4.05" 0.0"
June 81.0° 60.1° 70.5° 4.38" 0.0"
July 83.7° 63.0° 73.4° 4.58" 0.0"
August 82.2° 60.9° 71.5° 3.56" 0.0"
September 77.3° 54.2° 65.7° 2.75" 0.0"
October 64.7° 43.7° 54.2° 2.86" 0.1"
November 50.1° 33.1° 41.6° 3.15" 1.3"
December 38.3° 24.3° 31.3° 2.62" 4.9"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
Maria Stein CDP CDP 2.0 mi —
Chickasaw village Village 2.8 mi —
Osgood village Village 4.3 mi —
Yorkshire village Village 5.3 mi —
North Star village Village 5.9 mi —
St. Henry village Village 6.2 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 3910747782. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.