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Area data

Sioux city, IA — ZIP 51104

Population: 23,197 (Census ACS)

The median home value in ZIP 51104 (Sioux city, IA) is $230,735 — up 3.2% over the past year. Homes sell for a median $400,000 after a median 125 days on market. Typical rent runs $1,236/month. 4 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively Moderate, with hail, icestorm, strongwind the top-rated hazards. Cost of living is 10.5% below the US average (BEA, metro/state-level).

Backed by 25+ public sourcesFEMA · U.S. Census · NOAA · Dept. of Education · EPA · and more

$230,735

Median home value

+3.2%

1-year change

125

Median days on market

Relatively Moderate

Hazard risk (county)

Home values & appreciation

Median home value
$230,735
1-year appreciation
+3.2%
3-year appreciation
+9.8%
5-year appreciation
+26.7%
10-year appreciation
+74.9%
All-time peak (2026-06)
$230,780
House Price Index (state)
379.0 (+3.7% YoY)

Sources: home value index (ZIP-level) · FHFA House Price Index (state-level)

Market activity

Median sale price
$400,000
Median list price
$229,500
Median price per sqft
$103
1-year sale-price change
+70.2%
Median days on market
125 days
Homes sold (recent period)
1
For-sale inventory
66
Sale-to-list ratio
100.0%
Active listings
2
1-year forecast
+1.5%
Days to pending
50 days
New listings (monthly)
23

Source: recent area sales and market data (ZIP-level)

Rents

Typical rent
$1,236/mo
Studio fair-market rent
$696/mo
1BR fair-market rent
$870/mo
2BR fair-market rent
$1,088/mo
3BR fair-market rent
$1,415/mo
4BR fair-market rent
$1,633/mo

Sources: market rent index (ZIP-level) · HUD Fair Market Rents (metro/county-level, 40th-percentile regulatory reference)

Affordability

Cost of living index (Low)
89.5 (100 = US avg)
Electricity rate (state-level)
13.7¢/kWh
Natural gas rate (state-level)
$10.60/MCF
30-year mortgage rate (national)
6.66%
15-year mortgage rate (national)
6.00%

Sources: BEA Regional Price Parities (metro/state-level) · EIA energy rates (state-level) · Freddie Mac PMMS (national)

Schools

Total schools
4
Elementary schools
2
Middle schools
0
High schools
1
Schools include
Bryant Elementary School, Clark Early Childhood Center, North High School, Perry Creek Elementary School

Source: NCES school directory, 2022-23 (school-address-based)

Natural hazards & flood risk

Overall hazard risk (county)
Relatively Moderate
Top hazards (county)
hail, iceStorm, strongWind, tornado, winterWeather
Notable hazard ratings (county)
coldWave: Relatively Moderate · drought: Relatively Moderate · hail: Relatively High · heatWave: Relatively Moderate · iceStorm: Relatively High · inlandFlooding: Relatively Moderate
FEMA flood zone
A13
Flood risk level
High
Wildfire risk to homes (county)
Higher than 65% of US counties
Buildings in wildfire direct-exposure zone
23.7%
Radon potential (county)
High radon potential — EPA Zone 1 of 3
EPA Superfund (NPL) sites within 5 mi
None
Nearest Superfund site
Highway 3 PCE (21.5 mi)
EPA recommends radon testing for every home regardless of zone.

Sources: FEMA National Risk Index (county-level) · FEMA flood data (ZIP-level) · USDA Forest Service Wildfire Risk to Communities (county-level) · EPA radon zones + Superfund NPL

Climate (30-year normals)

Average annual temperature
48.5°F
Average high
60.0°F
Average low
37.5°F
Annual precipitation
31.6 in
Annual snowfall
38.1 in
USDA plant hardiness zone
5a (extreme annual low -20 to -15°F)

Sources: NOAA Climate Normals (30-year, nearest-station) · USDA Plant Hardiness Zone Map (2023)

Air quality

Air quality rating
Good
Median AQI (annual)
43
Days with Good air quality
71
Days with Moderate air quality
45
Days with Unhealthy air quality
2
Highest AQI recorded (year)
169

Source: EPA air quality data (nearest monitoring station, annual)

Walkability & transit

Walkability index
11.7 / 20
Transit service frequency
420
Jobs reachable by car (30 min)
17,599
Jobs reachable by transit (45 min)
15,749

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

Airports within 30 mi
11
Nearest airport
Graham Field (4 mi)
Nearest major airport
Sioux Gateway Airport / Brigadier General Bud Day Field (SUX) (10 mi)
Hospitals nearby (~15 mi)
1
Hospitals include
ST LUKES REGIONAL MEDICAL CENTER
Avg hospital rating (CMS)
1.0 / 5
Best hospital rating nearby (CMS)
1.0 / 5
Solar radiation rating
Fair (4.1 kWh/m²/day)

Sources: National Park Service · FAA airport data · CMS hospital data · DOE/NREL (proximity-based)

Migration

Net migration (county)
-357 tax filers

Source: IRS county-to-county migration data (county-level, ~12-month lag)

Housing stock

Median year housing built
1,959
Housing built before 1970
62.2%
Housing built 2000 or later
6.2%
Median annual property tax
$3,291
Mean commute to work
18 min
Households with broadband internet
76.9%

Source: Census ACS 5-year estimates (ZIP-level)

Employment & development

Total county employment
44,932
Average weekly wage
$987
Top industries (by employment)
Health Care, Accommodation & Food, Administrative Services
Annual residential building permits (county)
76

Sources: BLS QCEW (county-level) · Census Building Permits (county-level)

How it compares

ZIP 51104State medianUS median
Median home value$230,735$211,348$289,727
Median sale price$400,000$220,000$325,000
Median days on market125 days48 days51 days
Typical rent$1,236/mo$1,175/mo$1,808/mo
Median annual property tax$3,291$1,927$2,006

State and US medians are computed across all US ZIP codes with sufficient public-data coverage, from the same sources as the figures above.

Area data compiled from public government, academic, and industry research feeds. Data sources →

Common questions

What is the median home value in ZIP 51104?
$230,735.
What is the median sale price in ZIP 51104?
$400,000.
How long do homes take to sell in ZIP 51104?
Median days on market: 125 days.
What is typical rent in ZIP 51104?
Typical rent: $1,236/month.
What is the natural-hazard risk in ZIP 51104?
Overall risk: Relatively Moderate (FEMA NRI, county-level). Top hazards: hail, iceStorm, strongWind, tornado, winterWeather.
Is ZIP 51104 in a flood zone?
High (FEMA NFIP). FEMA flood zone A13.
What is the wildfire risk in ZIP 51104?
Risk to homes is higher than 65% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in ZIP 51104?
High radon potential — EPA Zone 1 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near ZIP 51104?
No current or proposed National Priorities List sites within 5 miles (EPA).
How many schools serve ZIP 51104?
4 schools (2 elementary, 1 high) (NCES, 2022-23).
Is ZIP 51104 walkable?
Walkability index: 11.7/20 (EPA Smart Location Database).
What is the air quality in ZIP 51104?
Good. Median AQI: 43. (EPA AQI).
What is the cost of living in ZIP 51104?
Regional Price Parity: 89.5 (100 = US average) (Low) (BEA RPP, metro/state-level).

Nearby ZIP codes

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Data last updated

Most recent source refresh: Sep 2026. See all data sources →

Data compiled by REAIGENT7 — AI listing platform for real estate agents