Hardin is a village in Calhoun County, Illinois, home to about 663 people across 2.1 square miles. Its ZIP code is 62047.
Homes sold for a median of $75 per square foot in the three months ending August 2026, a balanced market.
Each card is that ZIP code’s whole market, including any part outside Hardin. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Hardin’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Hardin well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | St. Louis Lambert International Airport (STL)31 miles away |
|---|---|
| Nearest city of 250,000+ | St. Louis, MO41 miles away |
| Nearest city of 1 million+ | Chicago, IL241 miles away |
Straight-line distances from the center of Hardin; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Hardin had 801 residents in the 2020 census, down 16% since 2000.
It’s the 839th largest of 1,450 towns in Illinois by population.
Calhoun County grew from 8,917 residents in 1900 to 4,437 in 2020.
Calhoun County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 87°F in summer, and winter lows average 20°F. About 41.4 inches of rain and melted snow fall in a typical year, with about 16 inches of snow.
Source: NOAA 1991–2020 climate normals, Elsberry 1 S, MO weather station (9 miles away).
489 jobs at 77 businesses in Calhoun County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
5 doctors and other health care providers list an office in Hardin.
Nearest hospitals
Providers with an office here
| Primary care doctors | 3 |
|---|---|
| Dentists | 1 |
| Nurse practitioners and physician assistants | 1 |
| Pharmacies | 1 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Public schools here are run by Calhoun CUSD 40. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Calhoun Elementary/ Jr High SchHardin | Pre-K–8 | 336 | Public | 1.4 mi |
| Calhoun High SchoolHardin | 9–12 | 171 | Public | 1.6 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| St Norbert SchoolHardin | K–8 | 56 | Roman Catholic | 0.3 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
Buying or selling around Hardin? Tell us what you need and when. No agents advertise here yet, so we’ll keep your request for up to 30 days and send it to local agents who join. No obligation, and you choose who to work with.
Loading map…
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.