Real Estate Data API

61951 Sullivan

30 active listings out of 3.4K total properties we track in ZIP 61951 (Sullivan, IL) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
30
Median
$173K
±0%
Sales (12mo)
124
Tracked
3.4K
Zoomed out

While you're here, take in the bigger picture — maps below show Illinois (statewide), not just 61951. Same company, same dataset, different resolution.

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Key Numbers
Tracked
3.4K
Active
30
Median list
$173K
Sales (12mo)
124
Get this data →
Key Numbers
Tracked
3.4K
Active
30
Median list
$173K
Sales (12mo)
124
Get this data →
Key Numbers
Tracked
3.4K
Active
30
Median list
$173K
Sales (12mo)
124
Get this data →
Key Numbers
Tracked
3.4K
Active
30
Median list
$173K
Sales (12mo)
124
Get this data →
Key Numbers
Tracked
3.4K
Active
30
Median list
$173K
Sales (12mo)
124

Inventory breakdown

Distribution of the 30 currently-active listings in ZIP 61951. Full dataset covers 3.4K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 24 (80%)
$300K–$500K 4 (13.3%)
$500K–$750K 1 (3.3%)
$750K–$1M 1 (3.3%)
$1M–$2M 0 (0%)
$2M+ 0 (0%)
Active by bedroom count
Studio/1 bd 0
2 bd 10
3 bd 14
4 bd 6
5+ bd 0
Active by property type
Single Family 28 (93.3%)
Manufactured 1 (3.3%)
Condo 1 (3.3%)
For Developers

Get Sullivan 61951 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/61951
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "61951",
  "total_tracked": 3411,
  "active": 30,
  "median_list": 173000
}
Get an API key Read the docs

ZIP 61951 · Sullivan, IL real estate: market summary

As of June 2026, Straply tracks 3,411 homes in ZIP 61951 (Sullivan, IL), with 30 active for sale at a median list price of $173,000 (~$128/sq ft). Notably, it has notably historic housing — 26% of homes predate 1940.

Median list price
$173,000
Median $/sq ft
$128
Active listings
30
Properties tracked
3,411

Frequently asked: ZIP 61951 · Sullivan, IL real estate

What is the median home price in ZIP 61951?

The median list price in ZIP 61951 (Sullivan, IL) is $173,000 (about $128 per square foot), based on 30 active listings tracked by Straply as of June 2026.

What price range are homes in ZIP 61951?

Active listings in ZIP 61951 (Sullivan, IL) concentrate in: 80% under $300k and 13% $300k–$500k.

How many homes are for sale in ZIP 61951?

Straply is tracking 30 active listings in ZIP 61951 (Sullivan, IL) out of 3,411 properties on record as of June 2026.

How old are the homes in ZIP 61951?

Most homes in ZIP 61951 (Sullivan, IL) were built in the 1970s. About 35% were built after 1980, while 26% predate 1940. The newest tracked home dates to 2023.

What types of homes are in ZIP 61951?

ZIP 61951 (Sullivan, IL) is mostly single-family homes (93% of listings).

How many bedrooms do homes in ZIP 61951 typically have?

The most common size in ZIP 61951 (Sullivan, IL) is 3 bd.

Data as of June 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.