Each edition grades its towns against each other only.
Home to 2 places on the National Register of Historic Places.
Hennepin’s median rent is $849 a month, where Illinois’ towns sit at $1,129 a month and U.S. towns at $1,185 a month. Its National Register listings include Putnam County Courthouse and Edward Pulsifer House. Hennepin has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
Where Hennepin beats most towns.
In a town this size, neighbors are the best guide. Ask them anything.
Census counts: 623 in 1880, a low of 312 in 1930, 769 in 2020. The archive holds 6 old photos and papers going back to 2012 and 2 maps from 1893 on.
2 places on the National Register of Historic Places.
Who provides power, water and the rest in Hennepin, 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 Hennepin.
Most working residents leave Hennepin for work: only 4% work in town. Since 2013, Hennepin has lost 166 jobs, to 217 in 2023. The top destinations are Princeton (6%), Peru (6%) and Hennepin Township (6%).
| Hennepin | Illinois towns | U.S. towns | |
|---|---|---|---|
| Working residents who work in town | 3.6% | 8.3% | 8% |
| Below the poverty line | 8% | 8.4% | 9.6% |
Census LEHD 2023 · ACS
The typical Hennepin home is worth about $222,000, up 12.5% in a year, 25% below the Illinois typical home.
Zillow Home Value Index · Redfin Data Center
Hennepin has chilly winters and warm summers. July afternoons reach 85°, January nights drop to 15° and about 29 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
Hennepin beats the Illinois average on 6 of 32 CDC measures and trails it on 2. 19% of adults binge drink in Hennepin, against 18% in Illinois’ towns and 16% across U.S. towns. 34% of adults sleep under 7 hours in Hennepin.
| Hennepin | Illinois towns | U.S. towns | |
|---|---|---|---|
| Binge drink (CDC PLACES) | 19% | 18% | 16% |
| Sleep under 7 hours (CDC PLACES) | 34% | 35% | 36% |
| Food insecurity (CDC PLACES) | 10% | 13% | 14% |
| Get no exercise (CDC PLACES) | 21% | 23% | 25% |
| What stands out | Hennepin | IL |
|---|---|---|
| Fewer adults facing food insecurity | 10.3% | 15.9% |
| Fewer uninsured adults | 6.6% | 9.9% |
| More adults who have had cancer | 9.9% | 7.6% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
0.1 miles of trail in 1 park or preserve. The biggest park or preserve is Donnelley State Fish and Wildlife Area, at 135 acres.
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Donnelley State Fish and Wildlife Area | — | 135 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
1 within 15 miles of the center of Hennepin
About 3 of every 100 Hennepin residents are enrolled in college, against 6 across Illinois.
Where Hennepin’s working residents go each day. Line width shows the share.
Census LEHD 2023
2 places in Hennepin on the National Register of Historic Places.
Town in Illinois, United States
Hennepin is a village located on the Illinois River in Putnam County, Illinois, United States. As of the 2020 census, Hennepin had a population of 769. It is the county seat and the second largest village in Putnam County. Hennepin is part of the Ottawa Micropolitan Statistical Area.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Hennepin has fewer than 1,000 residents, too few for fair grades; the figures below are still real. Home to 2 places on the National Register of Historic Places.
