Island Grove Township in pictures
The archive holds 1 old photo or paper going back to 2026 and 3 maps from 1909 on.
Explore the history →Each edition grades its towns against each other only.
A town of 565.
Island Grove Township’s median age is 59.3 years, above both Illinois’ towns (40.7 years) and U.S. towns (40.5 years). Only 4 of the 769 Illinois towns we compare have a lower share of working residents who work in town than Island Grove Township. Island Grove Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
In a town this size, neighbors are the best guide. Ask them anything.
The archive holds 1 old photo or paper going back to 2026 and 3 maps from 1909 on.
Explore the history →Museums, parks, gardens and other places to visit around Island Grove Township. Close and well known come first.
Big draw14 mi LandmarkLincoln Tomb
14 mi National Historic SiteLincoln Home National Historic Site124K visitors a year
15 mi MuseumLincoln's New Salem14 mi National MonumentSpringfield 1908 Race Riot National Monument
14 mi MuseumOld State Capitol State Historic Site
13 mi MuseumIllinois State MuseumLincoln Tomb: David Jones, CC BY-SA 2.5 · Lincoln Home National Historic Site: Daniel Schwen, CC BY-SA 4.0 · Lincoln's New Salem: Unknown, CC BY-SA 2.5 · Old State Capitol State Historic Site: Shadow2700 at en.wikipedia, Public domain · Illinois State Museum: Mike Linksvayer from Oakland, California, CC0
Who provides power, water and the rest in Island Grove Township, and how to reach them.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Sep 12, 2025.
Ordered by what stands out in Island Grove Township.
Most working residents leave Island Grove Township for work: only 0% work in town. Island Grove Township’s median household income is $95,000, where Illinois’ towns sit at $83,000 and U.S. towns at $80,000. The top destinations are Springfield (47%), New Berlin (4%) and Pleasant Plains (4%).
| Island Grove Township | Illinois towns | U.S. towns | |
|---|---|---|---|
| Median household income | $95,000 | $83,000 | $80,000 |
| Below the poverty line | 6.6% | 8.4% | 9.6% |
| Average trip to work | 24 minutes | 26 minutes | 25 minutes |
Census LEHD 2023 · ACS
Island Grove Township has chilly winters and warm summers. July afternoons reach 86°, January nights drop to 19° and about 22 inches of snow falls in a winter.
NOAA U.S. Climate Normals, 1991–2020
Expected storm and flood damage is lower than in 62% of U.S. communities.
FEMA National Risk Index · OpenFEMA
Island Grove Township beats the Illinois average on 8 of 32 CDC measures and trails it on 2. 19% of adults binge drink in Island Grove Township.
| Island Grove Township | Illinois towns | U.S. towns | |
|---|---|---|---|
| Binge drink (CDC PLACES) | 19% | 18% | 16% |
| Get no exercise (CDC PLACES) | 19% | 23% | 25% |
| Fair or poor health (CDC PLACES) | 16% | 18% | 19% |
| Sleep under 7 hours (CDC PLACES) | 33% | 35% | 36% |
| What stands out | Island Grove Township | IL |
|---|---|---|
| Fewer uninsured adults | 5.7% | 9.9% |
| Fewer adults facing food insecurity | 9.6% | 15.9% |
| More adults who have had cancer | 9.5% | 7.6% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
0.1 miles of trail in 1 park or preserve.
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Berlin Park | 0.1 mi | 2 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
1 within 15 miles of the center of Island Grove Township
College town 16 of every 100 Island Grove Township residents are enrolled in college, against 6 across Illinois.
Where Island Grove Township’s working residents go each day. Line width shows the share.
Census LEHD 2023
Township in Illinois, United States
Island Grove Township is located in Sangamon County, Illinois. As of the 2010 census, its population was 621 and it contained 273 housing units.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Island Grove Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.