Real Estate Data API

51103 Sioux City

77 active listings out of 6.2K total properties we track in ZIP 51103 (Sioux City, IA) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
77
Median
$185K
±0%
Sales (12mo)
182
Tracked
6.2K
Zoomed out

While you're here, take in the bigger picture — maps below show Iowa (statewide), not just 51103. Same company, same dataset, different resolution.

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Key Numbers
Tracked
6.2K
Active
77
Median list
$185K
Sales (12mo)
182
Get this data →
Key Numbers
Tracked
6.2K
Active
77
Median list
$185K
Sales (12mo)
182
Get this data →
Key Numbers
Tracked
6.2K
Active
77
Median list
$185K
Sales (12mo)
182
Get this data →
Key Numbers
Tracked
6.2K
Active
77
Median list
$185K
Sales (12mo)
182
Get this data →
Key Numbers
Tracked
6.2K
Active
77
Median list
$185K
Sales (12mo)
182

Inventory breakdown

Distribution of the 77 currently-active listings in ZIP 51103. Full dataset covers 6.2K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 63 (81.8%)
$300K–$500K 9 (11.7%)
$500K–$750K 3 (3.9%)
$750K–$1M 2 (2.6%)
$1M–$2M 0 (0%)
$2M+ 0 (0%)
Active by bedroom count
Studio/1 bd 0
2 bd 21
3 bd 35
4 bd 13
5+ bd 8
Active by property type
Single Family 72 (93.5%)
Multi Family 5 (6.5%)
For Developers

Get Sioux City 51103 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/51103
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "51103",
  "total_tracked": 6248,
  "active": 77,
  "median_list": 185000
}
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ZIP 51103 · Sioux City, IA real estate: market summary

As of June 2026, Straply tracks 6,248 homes in ZIP 51103 (Sioux City, IA), with 77 active for sale at a median list price of $185,000 (~$143/sq ft). Notably, it has notably historic housing — 61% of homes predate 1940.

Median list price
$185,000
Median $/sq ft
$143
Active listings
77
Properties tracked
6,248

Frequently asked: ZIP 51103 · Sioux City, IA real estate

What is the median home price in ZIP 51103?

The median list price in ZIP 51103 (Sioux City, IA) is $185,000 (about $143 per square foot), based on 77 active listings tracked by Straply as of June 2026.

What price range are homes in ZIP 51103?

Active listings in ZIP 51103 (Sioux City, IA) concentrate in: 82% under $300k and 12% $300k–$500k.

How many homes are for sale in ZIP 51103?

Straply is tracking 77 active listings in ZIP 51103 (Sioux City, IA) out of 6,248 properties on record as of June 2026.

How old are the homes in ZIP 51103?

Most homes in ZIP 51103 (Sioux City, IA) were built in the 1910s. About 10% were built after 1980, while 61% predate 1940. The newest tracked home dates to 2026.

What types of homes are in ZIP 51103?

ZIP 51103 (Sioux City, IA) is mostly single-family homes (94% of listings). Also common: multi-family homes 6%.

How many bedrooms do homes in ZIP 51103 typically have?

The most common size in ZIP 51103 (Sioux City, IA) is 3 bd.

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