Sumner IL
29 active listings out of 1.1K total properties we track across 3 Sumner ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
While you're here, take in the bigger picture — maps below show Illinois (statewide), not just Sumner. Same company, same dataset, different resolution.
Inventory breakdown
Distribution of the 29 currently-active listings in Sumner, IL. Full dataset covers 1.1K properties — listings, off-market homes, rentals, and full history.
ZIP codes in Sumner
Drill into any ZIP for hex-level breakdowns.
Nearby cities
Other Illinois cities within driving distance.
Get Sumner, IL data in your app
GET https://api.straply.com/v1/markets/city/sumner-il
Authorization: Bearer $STRAPLY_KEY{
"city": "sumner-il",
"total_tracked": 1084,
"active": 29,
"median_list": 179900
}Sumner, IL real estate: market summary
As of November 2026, Straply tracks 1,084 homes in Sumner, IL, with 29 active for sale at a median list price of $179,900 (~$122/sq ft). Notably, it has notably historic housing — 47% of homes predate 1940.
- Median list price
- $179,900
- Median $/sq ft
- $122
- Active listings
- 29
- Median sale price
- $128,000
- Properties tracked
- 1,084
Frequently asked: Sumner, IL real estate
What is the median home price in Sumner?
The median list price in Sumner, IL is $179,900 (about $122 per square foot), based on 29 active listings tracked by Straply as of November 2026.
What price range are homes in Sumner?
Active listings in Sumner, IL concentrate in: 82% under $300k and 14% $300k–$500k.
How many homes are for sale in Sumner?
Straply is tracking 29 active listings in Sumner, IL out of 1,084 properties on record as of November 2026.
How old are the homes in Sumner?
Most homes in Sumner, IL were built in the 1900s. About 24% were built after 1980, while 47% predate 1940. The newest tracked home dates to 2023.
What types of homes are in Sumner?
Sumner, IL is mostly single-family homes (79% of listings). Also common: lots / land 14%.
How many bedrooms do homes in Sumner typically have?
The most common size in Sumner, IL is 3 bd.
What areas are near Sumner?
Nearby markets Straply also tracks include Bridgeport, Lawrenceville, Olney, Saint Francisville.
Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.