Property Intelligence Report — Sioux City, Iowa

Federal data on flood, climate, radon, air quality and more. Free preview for any address in Sioux City. $49 full report.

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Risk Scorecard

Radon Zone
Zone 1 — High
Predicted average indoor radon screening level >= 4 pCi/L. EPA strongly recommends radon testing and mitigation.
Earthquake Risk
Minimal
1 events in past 10 years, max magnitude 3
Current Conditions
73°F
Partly Cloudy

Quick Stats

105,526
Population
$158,000
Median Home Value
$68,399
Median Income

Sioux City at a Glance

Sioux City offers solid fundamentals for homebuyers seeking affordable real estate in a stable community. With a median home value around $158,000 and a median household income of $68,399, properties here remain genuinely accessible compared to national averages. The owner-occupancy rate of 68.2% reflects a community where people put down roots—neighbors tend to stay, which generally supports neighborhood stability and property maintenance standards.

The demographic profile shows a working-class character with about 23% of residents holding bachelor's degrees or higher. This isn't a college town, but rather a place where trades, manufacturing, and service industries anchor the local economy. You'll find a mix of established families and folks building their careers without the expense pressures of larger metros.

Before buying, understand that Sioux City sits in EPA Radon Zone 1, meaning elevated radon potential. Any home purchase should include radon testing and remediation assessment—this is standard practice here, and most properties already have mitigation systems. The good news is that seismic activity is genuinely minimal with virtually no earthquake risk. Weather will be your main natural consideration: winters are cold and summers humid, typical for northwest Iowa along the Missouri River.

Analysis based on federal data from FEMA, EPA, USGS, Census Bureau and NOAA. Generated September 2026.

Current Conditions

Tonight: 73°F — Partly Cloudy. Wind 5 mph ESE.

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