Sumner township, Illinois
Sumner township profile, demographic data, and geographic information.
Sumner township is a geographic entity located in Warren County, Illinois. As of official census estimates, it has a reported population of 476. The land area covers 37.10 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population (2025 PEP Estimate) | 476 | — | 2025 / Census |
| Median Age | 37.7 yrs | ±16.8 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 223 | ±58 | 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 | 294 | ±73 |
| Occupied Housing Units | 223 | ±58 |
| Vacant Housing Units | 71 | ±53 |
| Median Home Value | $84,300 | ±$8,300 |
| Median Gross Rent | $828 | ±$103 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $55,972 | ±$10,250 |
| Per Capita Income | $33,724 | ±$9,687 |
| Poverty Rate | 3.6% | ±3% |
| Population Below Poverty Level | 18 | ±16 |
| Unemployment Rate | 3.8% | ±4% |
| Civilian Labor Force, Employed | 231 | ±62 |
| Broadband Internet Rate | 87.9% | ±31.7% |
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 SUMNER
GUS Population: 476 (2024)
ID: 163358
|
Township | Official Local Government |
Contact: TOWNSHIP SUPERVISOR
2532 45TH ST, LITTLE YORK IL 61453-9731
|
|
GUS Population: 16,217 (2024)
ID: 207766
|
County | Official County Government |
Contact: WARREN COUNTY CLERK/RECORDER
100 W BROADWAY, MONMOUTH IL 61462-1797
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Sumner | 04-06 | Sumner, IL | |
| Regular School Nearby | KG-05 | Aledo, IL | |
| Regular School Nearby | 04-06 | Monmouth, IL | |
| Regular School Nearby | 02-03 | Monmouth, IL | |
| Regular School Nearby | PK-01 | Monmouth, IL | |
| Regular School Nearby | PK | Joy, IL | |
| Regular School Nearby | 09-12 | Aledo, IL | |
| Regular School Nearby | 06-08 | Aledo, IL | |
| Regular School Nearby | 09-12 | Monmouth, IL | |
| Regular School Nearby | KG-05 | New Boston, 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 |
|---|---|---|---|---|
|
Monmouth College
|
College | 8.9 mi away | 700 E Broadway, Monmouth, IL, 61462-1998 |
3094572311
|
|
WARREN COUNTY PUBLIC LIBRARY DISTRICT
|
Library | 8.8 mi away | 62 PUBLIC SQUARE, MONMOUTH, IL, 61462 |
(309) 734-3166
|
|
Carl Sandburg College
|
College | 16.9 mi away | 2400 Tom L. Wilson Boulevard, Galesburg, IL, 61401 |
3093442518
|
|
ALEXIS BRANCH LIBRARY
|
Library | 9.3 mi away | 102 WEST BROADWAY, ALEXIS, IL, 61412 |
(309) 482-6109
|
|
Knox College
|
College | 19.3 mi away | 2 E South St, Galesburg, IL, 61401 |
3093417000
|
|
KIRKWOOD BRANCH LIBRARY
|
Library | 11.0 mi away | 134 SOUTH KIRK, KIRKWOOD, IL, 61447 |
(309) 768-2173
|
|
EDWARDS RIVER PUBLIC LIBRARY DISTRICT
|
Library | 12.3 mi away | 412 EAST MAIN STREET, ALEDO, IL, 61231 |
(309) 582-2032
|
|
HENDERSON COUNTY PUBLIC LIBRARY DISTRICT
|
Library | 14.0 mi away | 110 HILL CREST DRIVE, BIGGSVILLE, IL, 61418 |
(309) 627-2450
|
|
HENDERSON COUNTY PUBLIC LIBRARY DISTRICT BOOKMOBILE
|
Library | 14.0 mi away | 110 HILL CREST DRIVE, BIGGSVILLE, IL, 61418 |
(309) 627-2450
|
|
VIOLA PUBLIC LIBRARY DISTRICT
|
Library | 14.5 mi away | 1701 SEVENTEENTH STREET, VIOLA, IL, 61486 |
(309) 596-2620
|
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 MONMOUTH 4NW, IL US, located 6.1 miles from Sumner township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 30.4° | 13.6° | 22.0° | 1.68" | — |
| February | 35.1° | 17.5° | 26.3° | 1.63" | — |
| March | 48.2° | 28.2° | 38.2° | 2.45" | — |
| April | 61.7° | 39.1° | 50.4° | 3.88" | — |
| May | 72.5° | 50.9° | 61.7° | 5.50" | — |
| June | 81.4° | 60.4° | 70.9° | 5.02" | — |
| July | 84.1° | 63.2° | 73.7° | 4.08" | — |
| August | 82.5° | 61.3° | 71.9° | 3.75" | — |
| September | 77.3° | 52.9° | 65.1° | 3.93" | — |
| October | 64.5° | 41.1° | 52.8° | 2.94" | — |
| November | 48.9° | 29.6° | 39.2° | 2.38" | — |
| December | 35.8° | 19.6° | 27.7° | 1.83" | — |
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 |
|---|---|---|---|
| Little York village | Village | 1.4 mi | — |
| Seaton village | Village | 6.6 mi | — |
| Monmouth city | City | 8.8 mi | — |
| Alexis village | Village | 9.3 mi | — |
| Kirkwood village | Village | 10.9 mi | — |
| Aledo city | City | 12.1 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 1718773716. • 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.