Annawan is a town in Henry County, Illinois, home to about 865 people across 2.1 square miles. Its ZIP codes are 61234 and 61344.
Homes sold for a median of $81 per square foot across 2 ZIP codes in the three months ending August 2026, and 1 of 2 were seller’s markets.
Mostly Annawan
Mostly Annawan; also Mineral
Each card is that ZIP code’s whole market, including any part outside Annawan. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Annawan’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Chicago O'Hare International Airport (ORD)110 miles away |
|---|---|
| Closer regional airport | Quad City International Airport (MLI)32 miles away |
| Nearest city of 250,000+ | Chicago, IL117 miles away |
Straight-line distances from the center of Annawan; 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.
Annawan had 884 residents in the 2020 census, up 2% since 2000.
It’s the 753rd largest of 1,450 towns in Illinois by population.
Henry County grew from 40,049 residents in 1900 to 49,284 in 2020.
Henry County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 84°F in summer, and winter lows average 14°F. About 39.8 inches of rain and melted snow fall in a typical year, with about 31 inches of snow.
Source: NOAA 1991–2020 climate normals, Kewanee 1 E, IL weather station (11 miles away).
13,162 jobs at 1,037 businesses in Henry County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
6 doctors and other health care providers list an office in Annawan’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 2 |
|---|---|
| Dentists | 1 |
| Nurse practitioners and physician assistants | 2 |
| Chiropractors | 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.
Libraries
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Annawan CUSD 226. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Annawan Grade SchoolAnnawan | Pre-K–8 | 243 | Public | 1.6 mi |
| Annawan High SchoolAnnawan | 9–12 | 99 | Public | 1.5 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Mineral.
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.