Island Grove township, Illinois
Island Grove township profile, demographic data, and geographic information.
Island Grove township is a geographic entity located in Sangamon County, Illinois. As of official census estimates, it has a reported population of 565. The land area covers 28.07 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population (2025 PEP Estimate) | 565 | — | 2025 / Census |
| Median Age | 59.3 yrs | ±12.1 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 231 | ±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 | 241 | ±60 |
| Occupied Housing Units | 231 | ±58 |
| Vacant Housing Units | 10 | ±10 |
| Median Home Value | $274,200 | ±$61,146 |
| Median Gross Rent | Suppressed | — |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $95,208 | ±$22,483 |
| Per Capita Income | $68,932 | ±$21,923 |
| Poverty Rate | 6.6% | ±5.9% |
| Population Below Poverty Level | 31 | ±29 |
| Unemployment Rate | 0% | ±5.4% |
| Civilian Labor Force, Employed | 239 | ±104 |
| Broadband Internet Rate | 73.2% | ±17.1% |
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 ISLAND GROVE
GUS Population: 564 (2024)
ID: 163292
|
Township | Official Local Government |
Contact: SUPERVISOR
12382 TEBBE RD, NEW BERLIN IL 62670-4504
|
|
GUS Population: 194,345 (2024)
ID: 194545
|
County | Official County Government |
Contact: DEP. AUDITOR
200 S 9TH ST, STE 201, SPRINGFIELD IL 62701-1967
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Nearby | 09-12 | Ashland, IL | |
| Regular School Nearby | 05-08 | Ashland, IL | |
| Regular School Nearby | 07-08 | Athens, IL | |
| Regular School Nearby | 09-12 | Athens, IL | |
| Regular School Nearby | PK-02 | Auburn, IL | |
| Regular School Nearby | 09-12 | Auburn, IL | |
| Regular School Nearby | 06-08 | Divernon, IL | |
| Regular School Nearby | 03-05 | Auburn, IL | |
| Regular School Nearby | PK-04 | Chatham, IL | |
| Regular School Nearby | 06-08 | Springfield, 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 |
|---|---|---|---|---|
|
University of Spa & Cosmetology Arts
|
College Vocational | 10.1 mi away | 2913 W White Oaks Dr, Springfield, IL, 62704 |
2177538990
|
|
WEST SANGAMON PUBLIC LIBRARY DISTRICT
|
Library | 2.7 mi away | 112 EAST ILLINOIS STREET, NEW BERLIN, IL, 62670 |
(217) 488-7733
|
|
St. John's College-Department of Nursing
|
College | 13.9 mi away | 729 E. Carpenter St, Springfield, IL, 62702 |
2175255628
|
|
PRAIRIE SKIES PUBLIC LIBRARY DISTRICT BRANCH
|
Library | 8.0 mi away | 555 BUCKEYE ROAD, PLEASANT PLAINS, IL, 62677 |
(217) 626-1553
|
|
Capital Area Career Center
|
College Vocational | 14.9 mi away | 2201 Toronto Rd, Springfield, IL, 62712-3803 |
2175851215
|
|
PRAIRIE SKIES PUBLIC LIBRARY DISTRICT
|
Library | 10.4 mi away | 125 WEST EDITOR STREET, ASHLAND, IL, 62612 |
(217) 476-3417
|
|
University of Illinois Springfield
|
College | 15.3 mi away | One University Plaza, Springfield, IL, 62703-5407 |
2172066600
|
|
WAVERLY PUBLIC LIBRARY
|
Library | 12.1 mi away | 291 NORTH PEARL STREET, WAVERLY, IL, 62692 |
(217) 435-2051
|
|
Lincoln Land Community College
|
College | 15.7 mi away | 5250 Shepherd Rd, Springfield, IL, 62794-9256 |
2177862200
|
|
CHATHAM AREA PUBLIC LIBRARY DISTRICT
|
Library | 12.5 mi away | 600 EAST SPRUCE STREET, CHATHAM, IL, 62629 |
(217) 483-2713
|
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 SPRINGFIELD #2, IL US, located 12.1 miles from Island Grove township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 35.8° | 18.6° | 27.2° | 2.19" | — |
| February | 41.1° | 21.6° | 31.4° | 2.20" | — |
| March | 52.3° | 30.7° | 41.5° | 2.96" | — |
| April | 64.5° | 41.1° | 52.8° | 4.13" | — |
| May | 73.5° | 53.0° | 63.2° | 5.14" | — |
| June | 82.7° | 62.6° | 72.7° | 5.04" | — |
| July | 85.5° | 65.9° | 75.7° | 4.38" | — |
| August | 83.9° | 63.7° | 73.8° | 2.86" | — |
| September | 77.9° | 55.5° | 66.7° | 3.06" | — |
| October | 66.3° | 43.7° | 55.0° | 3.10" | — |
| November | 52.7° | 32.8° | 42.7° | 3.10" | — |
| December | 41.3° | 23.8° | 32.5° | 2.29" | — |
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 |
|---|---|---|---|
| Berlin village | Village | 0.4 mi | — |
| New Berlin village | Village | 2.7 mi | — |
| Curran village | Village | 6.7 mi | — |
| Loami village | Village | 6.8 mi | — |
| Alexander CDP | CDP | 7.8 mi | — |
| Pleasant Plains village | Village | 7.8 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 1716737881. • 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.