Greenbush TownshipIL
A town of 521, settled in 1838.
Is Greenbush Township a good place to live?
Greenbush Township’s median age is 59.2 years, above both Illinois’ towns (40.7 years) and U.S. towns (40.5 years). Greenbush Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
521 people, and everyone knows the way
In a town this size, neighbors are the best guide. Ask them anything.
Moving to Greenbush Township: who provides what
Who provides power, water and the rest in Greenbush 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 Greenbush Township.
Older than Illinois overall
People 65 and older are 39% of residents (17% statewide); children under 18 are 7% of residents (22% statewide). 44% of adults 25 and older hold a bachelor’s degree or more in Greenbush Township, above both the Illinois town median (29%) and the median of U.S. towns (29%). Greenbush Township has lost 3.2% of its people since 2020, down to 521 in the Census Bureau’s 2025 estimate.
Ages · share of residents
Education · adults 25 and older
Women and men · all residents
48% women, 52% men
That’s an even split within the survey’s margin of ±6.7 points. Across Illinois, 50.6% of residents are women.
| Greenbush Township | IL | U.S. | |
|---|---|---|---|
| Under 10 | 3.4% | 11.5% | 11.6% |
| 10 to 17 | 4% | 10.4% | 10.3% |
| 18 to 24 | 1.9% | 9.1% | 9.1% |
| 25 to 34 | 11.4% | 13.6% | 13.7% |
| 35 to 44 | 8.5% | 13.3% | 13.2% |
| 45 to 54 | 18.8% | 12.4% | 12.2% |
| 55 to 64 | 12.9% | 12.8% | 12.7% |
| 65 to 74 | 35.1% | 10% | 10.2% |
| 75 and older | 4% | 7% | 7% |
| No diploma | 3.7% | 9.5% | 10.4% |
| High school | 24.9% | 25.1% | 26% |
| Some college | 8.6% | 19.2% | 19.1% |
| Associate’s | 19.1% | 8.3% | 8.8% |
| Bachelor’s | 16.1% | 22.6% | 21.6% |
| Graduate | 27.5% | 15.3% | 14.1% |
Census population estimates, 2025 · U.S. Census Bureau · ACS 2020-2024 5-year estimates · in a town of 500, single groups can be off by several points
Most of Greenbush Township’s workers commute out: the town has 0.2 jobs for each of them
Most working residents leave Greenbush Township for work: only 1% work in town. The average trip to work in Greenbush Township is 28 minutes. The top destinations are Monmouth (13%), Macomb (10%) and Galesburg (8%).
| Greenbush Township | Illinois towns | U.S. towns | |
|---|---|---|---|
| Working residents who work in town | 1.4% | 8.3% | 8% |
| Average trip to work | 28 minutes | 26 minutes | 25 minutes |
| Below the poverty line | 7.8% | 8.4% | 9.6% |
Where working residents work
Census LEHD 2023 · ACS
Greenbush Township has four seasons and pleasant summers
Greenbush Township has chilly winters and warm summers. July afternoons reach 85°, January nights drop to 16° and about 21 inches of snow falls in a winter.
Typical low → high °F
NOAA U.S. Climate Normals, 1991–2020
High risk in Greenbush Township, with drought at the top
Expected storm and flood damage is higher than in 66% of U.S. communities.
FEMA National Risk Index · OpenFEMA
How healthy Greenbush Township is
Greenbush Township beats the Illinois average on 5 of 32 CDC measures and trails it on 12. 41% of adults have high blood pressure in Greenbush Township.
| Greenbush Township | Illinois towns | U.S. towns | |
|---|---|---|---|
| High blood pressure (CDC PLACES) | 41% | 35% | 35% |
| Frequent physical distress (CDC PLACES) | 15% | 13% | 14% |
| Diabetes (CDC PLACES) | 14% | 11% | 12% |
| Smoke cigarettes (CDC PLACES) | 16% | 13% | 14% |
| What stands out | Greenbush Township | IL |
|---|---|---|
| Fewer adults facing housing insecurity | 10.2% | 13.2% |
| Fewer uninsured adults | 7.8% | 9.9% |
| More adults with COPD | 9.9% | 6.3% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Everything we know about Greenbush Township
Colleges nearby
None within 15 miles of Greenbush Township; the nearest are
About 1 of every 100 Greenbush Township residents are enrolled in college, against 6 across Illinois.
99% of working residents leave Greenbush Township for work
Where Greenbush Township’s working residents go each day. Line width shows the share.
Census LEHD 2023
About Greenbush Township
Unincorporated community in Illinois, United States
Greenbush is an unincorporated community in Warren County, Illinois, United States. Greenbush is 7 miles (11 km) east-southeast of Roseville.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
- Elevation
- 686 ft
Questions about Greenbush Township
Short answers, built from the data on this page.
Is Greenbush Township, IL a good place to live?
Greenbush Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.