Senachwine Township in pictures
The archive holds 1 old photo or paper and 3 maps from 1893 on.
1 place on the National Register of Historic Places.
Explore the history →Each edition grades its towns against each other only.

A town of 628.
Senachwine Township’s average trip to work is 47 minutes, above both Illinois’ towns (26 minutes) and U.S. towns (25 minutes). No town among the 769 in Illinois we compare has a higher median age than Senachwine Township. Cortland Condit House is on the National Register of Historic Places. Senachwine 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 and 3 maps from 1893 on.
1 place on the National Register of Historic Places.
Explore the history →Who provides power, water and the rest in Senachwine 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 Senachwine Township.
People 65 and older are 47% of residents (17% statewide); children under 18 are 0% of residents (22% statewide). 40% of adults 25 and older hold a bachelor’s degree or more in Senachwine Township. Senachwine Township has grown 2.8% since 2020, to 628 residents in the Census Bureau’s 2025 estimate.
49% women, 51% men
That’s an even split within the survey’s margin of ±10 points. Across Illinois, 50.6% of residents are women.
| Senachwine Township | IL | U.S. | |
|---|---|---|---|
| Under 10 | 0% | 11.5% | 11.6% |
| 10 to 17 | 0% | 10.4% | 10.3% |
| 18 to 24 | 0% | 9.1% | 9.1% |
| 25 to 34 | 3.4% | 13.6% | 13.7% |
| 35 to 44 | 1% | 13.3% | 13.2% |
| 45 to 54 | 13.2% | 12.4% | 12.2% |
| 55 to 64 | 35% | 12.8% | 12.7% |
| 65 to 74 | 32.1% | 10% | 10.2% |
| 75 and older | 15.3% | 7% | 7% |
| No diploma | 11.5% | 9.5% | 10.4% |
| High school | 19.5% | 25.1% | 26% |
| Some college | 26% | 19.2% | 19.1% |
| Associate’s | 3.4% | 8.3% | 8.8% |
| Bachelor’s | 25.2% | 22.6% | 21.6% |
| Graduate | 14.5% | 15.3% | 14.1% |
Census population estimates, 2025 · U.S. Census Bureau · ACS 2020-2024 5-year estimates · in a town of 600, single groups can be off by several points
Most working residents leave Senachwine Township for work: only 1% work in town. Since 2013, Senachwine Township has added 65 jobs, to 105 in 2023. The top destinations are Peru (7%), Hennepin Township (7%) and Hennepin (6%).
| Senachwine Township | Illinois towns | U.S. towns | |
|---|---|---|---|
| Working residents who work in town | 1.1% | 8.3% | 8% |
| Below the poverty line | 11% | 8.4% | 9.6% |
| Median household income | $73,000 | $83,000 | $80,000 |
Census LEHD 2023 · ACS
Senachwine Township has chilly winters and warm summers. July afternoons reach 85°, January nights drop to 15° and about 23 inches of snow falls in a winter.
NOAA U.S. Climate Normals, 1991–2020
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Miller-Anderson Woods State Natural Area | — | 109 |
| 2. North End Gun Club | — | 104 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Expected storm and flood damage is lower than in 62% of U.S. communities.
FEMA National Risk Index · OpenFEMA
43% of Senachwine Township adults have high blood pressure. Senachwine Township beats the Illinois average on 9 of 32 CDC measures and trails it on 9. 21% of Senachwine Township adults have been diagnosed with depression.
| Senachwine Township | Illinois towns | U.S. towns | |
|---|---|---|---|
| High blood pressure (CDC PLACES) | 43% | 35% | 35% |
| Yearly checkup (CDC PLACES) | 83% | 78% | 79% |
| Feel lonely (CDC PLACES) | 29% | 33% | 33% |
| Binge drink (CDC PLACES) | 15% | 18% | 16% |
| What stands out | Senachwine Township | IL |
|---|---|---|
| Fewer uninsured adults | 5.4% | 9.9% |
| Fewer adults facing housing insecurity | 7.4% | 13.2% |
| More adults who have had cancer | 13% | 7.6% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
None within 15 miles of Senachwine Township; the nearest are
About 0 of every 100 Senachwine Township residents are enrolled in college, against 6 across Illinois.
Where Senachwine Township’s working residents go each day. Line width shows the share.
Census LEHD 2023
Township in Illinois, United States
Senachwine Township is located in Putnam County, Illinois. As of the 2010 census, its population was 745 and it contained 651 housing units. Senachwine is named for an Indian chief whose hunting grounds and home were located in the township.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Senachwine Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.