Erin TownshipIL
A town of 370.
Is Erin Township a good place to live?
44% of residents live below the poverty line in Erin Township, above both Illinois’ towns (8.4%) and U.S. towns (9.6%). Of the 769 Illinois towns we compare, none has a higher share of children under 18 than Erin Township. The biggest park or preserve is Dublin Highlands State Habitat Area, at 128 acres. Erin Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
370 people, and everyone knows the way
In a town this size, neighbors are the best guide. Ask them anything.
Moving to Erin Township: who provides what
Who provides power, water and the rest in Erin 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.
The data
Ordered by what stands out in Erin Township.
More children than Illinois overall
Children under 18 are 44% of residents (22% statewide); people 65 and older are 5% of residents (17% statewide). Erin Township has lost 2.9% of its people since 2020, down to 370 in the Census Bureau’s 2025 estimate. 29% of adults 25 and older have a bachelor’s degree or more, vs 38% across Illinois.
Ages · share of residents
Education · adults 25 and older
Women and men · all residents
57% women, 43% men
That’s an even split within the survey’s margin of ±9.5 points. Across Illinois, 50.6% of residents are women.
| Erin Township | IL | U.S. | |
|---|---|---|---|
| Under 10 | 7.8% | 11.5% | 11.6% |
| 10 to 17 | 35.7% | 10.4% | 10.3% |
| 18 to 24 | 7.3% | 9.1% | 9.1% |
| 25 to 34 | 4.3% | 13.6% | 13.7% |
| 35 to 44 | 18.2% | 13.3% | 13.2% |
| 45 to 54 | 9% | 12.4% | 12.2% |
| 55 to 64 | 12.8% | 12.8% | 12.7% |
| 65 to 74 | 4.3% | 10% | 10.2% |
| 75 and older | 0.7% | 7% | 7% |
| No diploma | 4.8% | 9.5% | 10.4% |
| High school | 11.5% | 25.1% | 26% |
| Some college | 34.6% | 19.2% | 19.1% |
| Associate’s | 19.7% | 8.3% | 8.8% |
| Bachelor’s | 23.1% | 22.6% | 21.6% |
| Graduate | 6.3% | 15.3% | 14.1% |
Census population estimates, 2025 · U.S. Census Bureau · ACS 2020-2024 5-year estimates · in a town of 400, single groups can be off by several points
Very low risk in Erin Township, with inland flooding at the top
Expected storm and flood damage is lower than in 82% of U.S. communities.
FEMA National Risk Index · OpenFEMA
Erin Township has four seasons and pleasant summers
Erin Township has cold, snowy winters and pleasant summers. Erin Township’s July high is 83°F, against 84°F in Illinois’ towns and 85°F across U.S. towns.
Typical low → high °F
NOAA U.S. Climate Normals, 1991–2020
Fewer of Erin Township’s working residents work locally than in the typical Illinois or U.S. town
0.6% of Erin Township working residents work locally. Jobs based in Erin Township grew to 197 in 2023, 79 more than in 2013. Erin Township’s average trip to work is 28 minutes.
| Erin Township | Illinois towns | U.S. towns | |
|---|---|---|---|
| Working residents who work in town | 0.6% | 8.3% | 8% |
| Average trip to work | 28 minutes | 26 minutes | 25 minutes |
Where working residents work
Census LEHD 2023 · ACS
How healthy Erin Township is
Erin Township beats the Illinois average on 7 of 32 CDC measures and trails it on 7. 38% of adults have high blood pressure in Erin Township.
| Erin Township | Illinois towns | U.S. towns | |
|---|---|---|---|
| High blood pressure (CDC PLACES) | 38% | 35% | 35% |
| Sleep under 7 hours (CDC PLACES) | 33% | 35% | 36% |
| Obesity (CDC PLACES) | 39% | 37% | 35% |
| Diabetes (CDC PLACES) | 13% | 11% | 12% |
| What stands out | Erin Township | IL |
|---|---|---|
| Fewer uninsured adults | 7.3% | 9.9% |
| Fewer adults facing housing insecurity | 9.9% | 13.2% |
| More adults who have had cancer | 10.6% | 7.6% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
1.1% of Erin Township is conserved land
1.2 miles of trail in 1 park or preserve. The trail density in Erin Township is 0.1 miles per square mile.
| Erin Township | Illinois towns | U.S. towns | |
|---|---|---|---|
| Miles of trail per square mile | 0.1 miles per square mile | 0.3 | 0.4 |
| Conserved land | 1.1% | 3.7% | 4.3% |
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Dublin Highlands State Habitat Area | — | 128 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Everything we know about Erin Township
Colleges nearby
1 within 15 miles of the center of Erin Township
About 0 of every 100 Erin Township residents are enrolled in college, against 6 across Illinois.
About Erin Township
Township in Illinois, United States
Erin Township is located in Stephenson County, Illinois. As of the 2010 census, its population was 410 and it contained 177 housing units. The unincorporated community of Eleroy is located in the township.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
- Area
- 18 sq mi
- Elevation
- 1,017 ft
Questions about Erin Township
Short answers, built from the data on this page.
Is Erin Township, IL a good place to live?
Erin Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.