Real Estate Data API

Grafton IL

56 active listings out of 1.3K total properties we track across 3 Grafton ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

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Active
56
Median
$280K
-29.1%
Sold Sep
3
+200.0%
Tracked
1.3K
Zoomed out

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

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Inventory breakdown

Distribution of the 56 currently-active listings in Grafton, IL. Full dataset covers 1.3K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 28 (50.9%)
$300K–$500K 18 (32.7%)
$500K–$750K 3 (5.5%)
$750K–$1M 1 (1.8%)
$1M–$2M 3 (5.5%)
$2M+ 2 (3.6%)
Active by bedroom count
Studio/1 bd 18
2 bd 9
3 bd 15
4 bd 5
5+ bd 8
Active by property type
Single Family 41 (73.2%)
Lot 8 (14.3%)
Condo 5 (8.9%)
Other 2 (3.6%)

ZIP codes in Grafton

Drill into any ZIP for hex-level breakdowns.

62037
→
Active
55
Tracked
1.3K
62052
→
Active
1
Tracked
2
62031
→
Active
0
Tracked
1

Nearby cities

Other Illinois cities within driving distance.

Dow
5.8 mi away
Active: 11
Fieldon
9.2 mi away
Active: 4
Jerseyville
10 mi away
Active: 136
Godfrey
12.5 mi away
Active: 154
Brighton
15.8 mi away
Active: 69
Cottage Hills
19.8 mi away
Active: 32
East Alton
20 mi away
Active: 95
Carrollton
20.5 mi away
Active: 46
For Developers

Get Grafton, IL data in your app

curl
request 
GET https://api.straply.com/v1/markets/city/grafton-il
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "city": "grafton-il",
  "total_tracked": 1266,
  "active": 56,
  "median_list": 280000
}
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Grafton, IL real estate: market summary

As of November 2026, Straply tracks 1,266 homes in Grafton, IL, with 56 active for sale at a median list price of $280,000 (~$194/sq ft). Notably, the market is cooling — the median sale price is down 29% year over year.

Median list price
$280,000
Median $/sq ft
$194
Active listings
56
Median sale price
$249,500 (-29% YoY)
Properties tracked
1,266

Frequently asked: Grafton, IL real estate

What is the median home price in Grafton?

The median list price in Grafton, IL is $280,000 (about $194 per square foot), based on 56 active listings tracked by Straply as of November 2026.

What price range are homes in Grafton?

Active listings in Grafton, IL concentrate in: 51% under $300k and 33% $300k–$500k.

Are home prices in Grafton going up or down?

The median sale price is $249,500, down 29% year over year. Straply tracked 47 sales here over the past 12 months.

How many homes are for sale in Grafton?

Straply is tracking 56 active listings in Grafton, IL out of 1,266 properties on record as of November 2026.

How old are the homes in Grafton?

Most homes in Grafton, IL were built in the 2000s. About 65% were built after 1980, while 16% predate 1940. The newest tracked home dates to 2026.

What types of homes are in Grafton?

Grafton, IL is mostly single-family homes (73% of listings). Also common: lots / land 14%, condos 9%.

How many bedrooms do homes in Grafton typically have?

The most common size in Grafton, IL is Studio/1 bd.

What are the most active ZIP codes in Grafton?

The ZIP codes with the most active listings in Grafton, IL are 62037, 62052.

What areas are near Grafton?

Nearby markets Straply also tracks include Dow, Fieldon, Jerseyville, Godfrey.

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