Harlem township, Ohio
Harlem township profile, demographic data, and geographic information.
Harlem township is a geographic entity located in Delaware County, Ohio. As of official census estimates, it has a reported population of 5,113. The land area covers 26.56 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population (2025 PEP Estimate) | 5,113 | — | 2025 / Census |
| Median Age | 43.1 yrs | ±2.3 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 1,845 | ±203 | 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 | 1,926 | ±214 |
| Occupied Housing Units | 1,845 | ±203 |
| Vacant Housing Units | 81 | ±79 |
| Median Home Value | $418,600 | ±$40,623 |
| Median Gross Rent | $1,311 | ±$242 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $122,311 | ±$37,997 |
| Per Capita Income | $54,743 | ±$7,487 |
| Poverty Rate | 7.4% | ±4.6% |
| Population Below Poverty Level | 359 | ±226 |
| Unemployment Rate | 2.2% | ±2.1% |
| Civilian Labor Force, Employed | 2,746 | ±183 |
| Broadband Internet Rate | 94% | ±14.6% |
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 |
|---|---|---|---|
|
GUS Population: 5,135 (2024)
ID: 225664
|
Township | Official Local Government |
Contact: FISCAL OFFICER
3883 S STATE ROUTE 605, GALENA OH 43021-9650
|
|
GUS Population: 237,966 (2024)
ID: 194517
|
County | Official County Government |
Contact: PAYROLL FISCAL SERVICES
140 N SANDUSKY ST, DELAWARE OH 43015
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Nearby | KG-08 | Columbus, OH | |
| Regular School Nearby | KG-05 | Powell, OH | |
| Regular School Nearby | KG-05 | Westerville, OH | |
| Regular School Nearby | PK-03 | Columbus, OH | |
| Regular School Nearby | PK-05 | Lewis Center, OH | |
| Regular School Nearby | 06-08 | Dublin, OH | |
| Regular School Nearby | KG-05 | Westerville, OH | |
| Regular School Nearby | PK-05 | Lewis Center, OH | |
| Regular School Nearby | 06-08 | Columbus, OH | |
| Regular School Nearby | KG-03 | Columbus, 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 |
|---|---|---|---|---|
|
Otterbein University
|
College | 7.5 mi away | 1 South Grove Street, Westerville, OH, 43081 |
6148903000
|
|
NEW ALBANY BRANCH
|
Library | 5.6 mi away | 200 MARKET ST, NEW ALBANY, OH, 43054 |
(614) 645-2275
|
|
Fortis College-Columbus
|
College | 7.5 mi away | 4151 Executive Parkway Ste 120, Westerville, OH, 43081 |
6148822551
|
|
MARY E. BABCOCK LIBRARY
|
Library | 6.0 mi away | 320 N. MAIN STREET, JOHNSTOWN, OH, 43031 |
(740) 967-2982
|
|
Dental Assistant Pro LLC-Columbus
|
College Vocational | 7.7 mi away | 191 West Shrock Road, Westerville, OH, 43081 |
5134608686
|
|
COMMUNITY LIBRARY-SUNBURY
|
Library | 6.4 mi away | 44 BURRER DR, SUNBURY, OH, 43074 |
(740) 965-3901
|
|
Mason Anthony School of Cosmetology Arts & Sciences
|
College | 8.5 mi away | 6353 Presidential Gateway, Columbus, OH, 43231-8252 |
6147101025
|
|
WESTERVILLE PUBLIC LIBRARY
|
Library | 7.2 mi away | 126 S. STATE ST., WESTERVILLE, OH, 43081 |
(614) 882-7277
|
|
Felbry College
|
College | 9.0 mi away | 6055 Cleveland Avenue, Columbus, OH, 43231-2256 |
6147811085102
|
|
WORTHINGTON PARK LIBRARY
|
Library | 9.7 mi away | 1389 WORTHINGTON CENTRE DR, WORTHINGTON, OH, 43085 |
(614) 807-2626
|
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 WESTERVILLE, OH US, located 7.8 miles from Harlem township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 37.7° | 22.0° | 29.9° | 2.93" | 6.9" |
| February | 42.0° | 24.0° | 33.0° | 2.36" | 5.3" |
| March | 52.6° | 31.9° | 42.3° | 3.42" | 2.8" |
| April | 66.3° | 41.9° | 54.1° | 3.91" | 0.1" |
| May | 75.5° | 52.4° | 63.9° | 4.22" | 0.0" |
| June | 83.2° | 61.1° | 72.2° | 5.02" | 0.0" |
| July | 85.9° | 64.9° | 75.4° | 4.56" | 0.0" |
| August | 84.6° | 63.1° | 73.8° | 3.64" | 0.0" |
| September | 79.1° | 56.0° | 67.6° | 3.29" | 0.0" |
| October | 67.3° | 44.7° | 56.0° | 2.95" | 0.0" |
| November | 53.4° | 34.9° | 44.2° | 2.88" | 0.5" |
| December | 42.1° | 27.0° | 34.6° | 3.05" | 3.4" |
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 |
|---|---|---|---|
| New Albany city | City | 5.3 mi | — |
| Galena village | Village | 5.9 mi | — |
| Johnstown city | City | 6.2 mi | — |
| Westerville city | City | 6.4 mi | — |
| Sunbury city | City | 6.5 mi | — |
| Huber Ridge CDP | CDP | 7.8 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 3904133516. • Official Source Dataset →
- 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.
- 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.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.