Alpha is a village in Henry County, Illinois, home to about 831 people across 0.3 square miles. Its ZIP code is 61413.
Homes sold for a median of $104 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Alpha. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Alpha’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Alpha well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Chicago O'Hare International Airport (ORD)139 miles away |
|---|---|
| Closer regional airport | Quad City International Airport (MLI)19 miles away |
| Nearest city of 250,000+ | Madison, WI140 miles away |
| Nearest city of 1 million+ | Chicago, IL146 miles away |
Straight-line distances from the center of Alpha; 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.
Alpha had 675 residents in the 2020 census, down 7% since 2000.
It’s the 760th 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 83°F in summer, and winter lows average 13°F. About 39.5 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Altona, IL weather station (12 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).
1 doctors and other health care providers list an office in Alpha.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Pharmacies | 3 |
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 AlWood CUSD 225. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| AlWood Elem SchoolAlpha | Pre-K–5 | 172 | Public | 0.2 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.
Buying or selling around Alpha? 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.