Hennepin township, Illinois
Hennepin township profile, demographic data, and geographic information.
Hennepin township is a geographic entity located in Putnam County, Illinois. As of official census estimates, it has a reported population of 1,236. The land area covers 41.39 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population (2025 PEP Estimate) | 1,236 | — | 2025 / Census |
| Median Age | 46.9 yrs | ±7.1 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 585 | ±79 | 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 | 646 | ±96 |
| Occupied Housing Units | 585 | ±79 |
| Vacant Housing Units | 61 | ±60 |
| Median Home Value | $211,300 | ±$13,180 |
| Median Gross Rent | $849 | ±$47 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $89,306 | ±$15,236 |
| Per Capita Income | $43,578 | ±$5,136 |
| Poverty Rate | 5.9% | ±3.3% |
| Population Below Poverty Level | 84 | ±48 |
| Unemployment Rate | 3.8% | ±2.8% |
| Civilian Labor Force, Employed | 785 | ±119 |
| Broadband Internet Rate | 96.8% | ±18.4% |
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 HENNEPIN
GUS Population: 1,239 (2024)
ID: 103072
|
Township | Official Local Government |
Contact: SUPERVISOR
6235 IL HIGHWAY 26, HENNEPIN IL 61327-5042
|
|
GUS Population: 5,633 (2024)
ID: 162159
|
County | Official County Government |
Contact: TREASURER
PO BOX 235, HENNEPIN IL 61327-0235
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Hennepin | 03-05 | Hennepin, IL | |
| Alternative School Nearby | KG-12 | Tiskilwa, IL | |
| Regular School Nearby | PK-02 | Wyanet, IL | |
| Regular School Nearby | KG-08 | Dalzell, IL | |
| Regular School Nearby | PK-08 | DePue, IL | |
| Regular School Nearby | 09-12 | DePue, IL | |
| Regular School Nearby | KG-08 | La Salle, IL | |
| Regular School Nearby | PK-KG | Princeton, IL | |
| Regular School Nearby | 03-05 | Toluca, IL | |
| Regular School Nearby | 06-08 | Wenona, IL |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 2 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
Illinois Valley Community College
|
College | 12.0 mi away | 815 N Orlando Smith Road, Oglesby, IL, 61348-9692 |
8152242720
|
|
PUTNAM COUNTY PUBLIC LIBRARY DISTRICT
|
Library | 3.4 mi away | 214 NORTH FOURTH STREET, HENNEPIN, IL, 61327 |
(815) 925-7020
|
|
Educators of Beauty College of Cosmetology-Peru
|
College Vocational | 13.3 mi away | 3602 MARQUETTE RD STE 2, PERU, IL, 61354-1450 |
8152237326
|
|
GRANVILLE BRANCH LIBRARY
|
Library | 4.7 mi away | 214 SOUTH MCCOY STREET, GRANVILLE, IL, 61326 |
(815) 339-2038
|
|
MCNABB BRANCH LIBRARY
|
Library | 5.5 mi away | 322 WEST MAIN STREET, MCNABB, IL, 61335 |
(815) 882-2378
|
|
PUTNAM (CONDIT) BRANCH LIBRARY
|
Library | 5.7 mi away | 105 NORTH CENTER STREET, PUTNAM, IL, 61560 |
(815) 437-2811
|
|
LEEPERTOWN TOWNSHIP PUBLIC LIBRARY
|
Library | 5.9 mi away | 201 EAST NEBRASKA STREET, BUREAU, IL, 61315 |
(815) 659-3283
|
|
STANDARD BRANCH LIBRARY
|
Library | 6.6 mi away | 128 1ST STREET, STANDARD, IL, 61363 |
(815) 339-2471
|
|
SELBY TOWNSHIP LIBRARY DISTRICT
|
Library | 7.4 mi away | 101 DEPOT STREET, DEPUE, IL, 61322 |
(815) 447-2660
|
|
HENRY PUBLIC LIBRARY
|
Library | 8.1 mi away | 702 FRONT STREET, HENRY, IL, 61537 |
(309) 364-2516
|
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 HENNEPIN, IL US, located 3.2 miles from Hennepin township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 32.3° | 16.8° | 24.6° | 1.95" | — |
| February | 37.1° | 20.1° | 28.6° | 1.80" | — |
| March | 50.1° | 30.1° | 40.1° | 2.46" | — |
| April | 63.5° | 40.5° | 52.0° | 3.85" | — |
| May | 73.7° | 51.3° | 62.5° | 4.76" | — |
| June | 81.7° | 61.4° | 71.6° | 4.55" | — |
| July | 84.5° | 64.5° | 74.5° | 3.89" | — |
| August | 82.9° | 62.4° | 72.7° | 3.77" | — |
| September | 77.1° | 54.5° | 65.8° | 3.45" | — |
| October | 65.2° | 43.0° | 54.1° | 3.31" | — |
| November | 49.9° | 32.3° | 41.1° | 2.60" | — |
| December | 36.7° | 21.8° | 29.3° | 2.19" | — |
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 |
|---|---|---|---|
| Hennepin village | Village | 2.4 mi | — |
| Mark village | Village | 3.8 mi | — |
| Granville village | Village | 4.8 mi | — |
| McNabb village | Village | 5.4 mi | — |
| Bureau Junction village | Village | 6.2 mi | — |
| Standard village | Village | 6.6 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 1715534124. • 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.