Real Estate Data API

51109 Sioux City

17 active listings out of 1.4K total properties we track in ZIP 51109 (Sioux City, IA) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
17
Median
$196K
±0%
Sales (12mo)
39
Tracked
1.4K
Zoomed out

While you're here, take in the bigger picture — maps below show Iowa (statewide), not just 51109. Same company, same dataset, different resolution.

Get this data →
Key Numbers
Tracked
1.4K
Active
17
Median list
$196K
Sales (12mo)
39
Get this data →
Key Numbers
Tracked
1.4K
Active
17
Median list
$196K
Sales (12mo)
39
Get this data →
Key Numbers
Tracked
1.4K
Active
17
Median list
$196K
Sales (12mo)
39
Get this data →
Key Numbers
Tracked
1.4K
Active
17
Median list
$196K
Sales (12mo)
39
Get this data →
Key Numbers
Tracked
1.4K
Active
17
Median list
$196K
Sales (12mo)
39

Inventory breakdown

Distribution of the 17 currently-active listings in ZIP 51109. Full dataset covers 1.4K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 16 (94.1%)
$300K–$500K 1 (5.9%)
$500K–$750K 0 (0%)
$750K–$1M 0 (0%)
$1M–$2M 0 (0%)
$2M+ 0 (0%)
Active by bedroom count
Studio/1 bd 1
2 bd 6
3 bd 7
4 bd 3
5+ bd 0
Active by property type
Single Family 16 (94.1%)
Multi Family 1 (5.9%)
For Developers

Get Sioux City 51109 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/51109
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "51109",
  "total_tracked": 1428,
  "active": 17,
  "median_list": 195900
}
Get an API key Read the docs

ZIP 51109 · Sioux City, IA real estate: market summary

As of June 2026, Straply tracks 1,428 homes in ZIP 51109 (Sioux City, IA), with 17 active for sale at a median list price of $195,900 (~$154/sq ft). Notably, it has notably historic housing — 43% of homes predate 1940.

Median list price
$195,900
Median $/sq ft
$154
Active listings
17
Properties tracked
1,428

Frequently asked: ZIP 51109 · Sioux City, IA real estate

What is the median home price in ZIP 51109?

The median list price in ZIP 51109 (Sioux City, IA) is $195,900 (about $154 per square foot), based on 17 active listings tracked by Straply as of June 2026.

What price range are homes in ZIP 51109?

Active listings in ZIP 51109 (Sioux City, IA) concentrate in: 94% under $300k and 6% $300k–$500k.

How many homes are for sale in ZIP 51109?

Straply is tracking 17 active listings in ZIP 51109 (Sioux City, IA) out of 1,428 properties on record as of June 2026.

How old are the homes in ZIP 51109?

Most homes in ZIP 51109 (Sioux City, IA) were built in the 1920s. About 22% were built after 1980, while 43% predate 1940. The newest tracked home dates to 2024.

What types of homes are in ZIP 51109?

ZIP 51109 (Sioux City, IA) is mostly single-family homes (94% of listings). Also common: multi-family homes 6%.

How many bedrooms do homes in ZIP 51109 typically have?

The most common size in ZIP 51109 (Sioux City, IA) is 3 bd.

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