Hennepin
Village in Putnam County, Illinois

Hennepin is a village in Putnam County, Illinois, with 769 residents (2020 Census). It sits at 502 ft (153 m) above sea level. The nearest town is Mark, 3.2 miles E.
- 769residents (2020 Census)
- 502 ftelevation · 153 m
- 5.3 sq miland area · 13.7 km²
- 145 / sq mipopulation density
- 61327ZIP code
About Hennepin
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.
Text: Wikipedia · CC BY-SA 4.0
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Living in Hennepin
- Median household income
- $83,000
- Median home value
- $168,300
- Median rent
- $849/mo
- Median age
- 38.3
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Map of Hennepin
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Open in Google Maps ›Hennepin, IL population
Hennepin had 769 residents in the 2020 Census.
| 2020 Census | 769 |
|---|---|
| Density | 145 per sq mi (56 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Hennepin at a glance
| State | Illinois (IL) |
|---|---|
| County | Putnam County |
| Type | Village |
| Population | 769 (2020) |
| Land area | 5.31 sq mi (13.7 km²) |
| Water area | 0.35 sq mi (0.92 km²) |
| Elevation | 502 ft (153 m) |
| Coordinates | 41.2505° N, 89.3141° W |
| ZIP code | 61327 |
| Official website | villageofhennepin.com |
| Census code (GEOID) | 1734098 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Hennepin
- Mark3.2 mi E
- Bureau Junction3.9 mi NW
- Granville4.5 mi E
- De Pue5.5 mi N
- Standard6.9 mi E
- McNabb7.4 mi SE
- Hollowayville7.9 mi N
- Seatonville8.3 mi N
- Spring Valley8.5 mi NE
- Henry9.5 mi S
- Cedar Point9.8 mi E
- Dalzell10.3 mi NE
Straight-line distance between town centers.
Frequently asked questions about Hennepin
What county is Hennepin in?
Hennepin is in Putnam County, Illinois.
What is the population of Hennepin, IL?
769 people lived in Hennepin at the 2020 Census.
What is the ZIP code of Hennepin, IL?
The ZIP code of Hennepin is 61327.
What is the elevation of Hennepin?
502 feet (153 m) above sea level.
What towns are near Hennepin?
Mark (3.2 mi), Bureau Junction (3.9 mi), Granville (4.5 mi), De Pue (5.5 mi), Standard (6.9 mi).
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