51103 Sioux City
139 active listings out of 6.5K total properties we track in ZIP 51103 (Sioux City, IA) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
While you're here, take in the bigger picture — maps below show Iowa (statewide), not just 51103. Same company, same dataset, different resolution.
- Tracked
- 6.5K
- Active
- 139
- Median list
- $173K
- Sales (12mo)
- 191
- Tracked
- 6.5K
- Active
- 139
- Median list
- $173K
- Sales (12mo)
- 191
- Tracked
- 6.5K
- Active
- 139
- Median list
- $173K
- Sales (12mo)
- 191
- Tracked
- 6.5K
- Active
- 139
- Median list
- $173K
- Sales (12mo)
- 191
- Tracked
- 6.5K
- Active
- 139
- Median list
- $173K
- Sales (12mo)
- 191
Inventory breakdown
Distribution of the 139 currently-active listings in ZIP 51103. Full dataset covers 6.5K properties — listings, off-market homes, rentals, and full history.
Get Sioux City 51103 data in your app
GET https://api.straply.com/v1/markets/zip/51103
Authorization: Bearer $STRAPLY_KEY{
"zip": "51103",
"total_tracked": 6491,
"active": 139,
"median_list": 173000
}Nearby ZIP codes
Other Iowa ZIPs within a short drive of 51103.
ZIP 51103 · Sioux City, IA real estate: market summary
As of November 2026, Straply tracks 6,491 homes in ZIP 51103 (Sioux City, IA), with 139 active for sale at a median list price of $173,000 (~$137/sq ft). Notably, the market is cooling — the median sale price is down 26% year over year.
- Median list price
- $173,000
- Median $/sq ft
- $137
- Active listings
- 139
- Median sale price
- $123,000 (-26% YoY)
- Properties tracked
- 6,491
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 $173,000 (about $137 per square foot), based on 139 active listings tracked by Straply as of November 2026.
What price range are homes in ZIP 51103?
Active listings in ZIP 51103 (Sioux City, IA) concentrate in: 90% under $300k and 6% $300k–$500k.
Are home prices in ZIP 51103 going up or down?
The median sale price is $123,000, down 26% year over year. Straply tracked 191 sales here over the past 12 months.
How many homes are for sale in ZIP 51103?
Straply is tracking 139 active listings in ZIP 51103 (Sioux City, IA) out of 6,491 properties on record as of November 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 (88% 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.
What areas are near ZIP 51103?
Nearby markets Straply also tracks include Sioux City 51101, Sioux City 51104, Sioux City 51105, Sioux City 51109.
Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.