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Area data

Dewar, IA — ZIP 50623

Population: 153 (Census ACS)

The median home value in ZIP 50623 (Dewar, IA) is $170,800. FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively Low, with drought, strongwind, tornado the top-rated hazards. Cost of living is 12.2% below the US average (BEA, metro/state-level).

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

$170,800

Median home value

Relatively Low

Hazard risk (county)

Home values & appreciation

Median home value
$170,800
House Price Index (state)
379.0 (+3.7% YoY)

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

Affordability

Cost of living index (Low)
87.8 (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)

Natural hazards & flood risk

Overall hazard risk (county)
Relatively Low
Top hazards (county)
drought, strongWind, tornado, winterWeather, coldWave
Notable hazard ratings (county)
coldWave: Relatively Moderate · drought: Relatively High · hail: Relatively Moderate · heatWave: Relatively Low · iceStorm: Relatively Moderate · inlandFlooding: Relatively Moderate
Wildfire risk to homes (county)
Higher than 17% of US counties
Buildings in wildfire direct-exposure zone
17.5%
Radon potential (county)
High radon potential — EPA Zone 1 of 3
EPA Superfund (NPL) sites within 5 mi
None
Nearest Superfund site
Waterloo Coal Gasification Plant (5.9 mi — proposed for listing)
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
46.0°F
Average high
57.0°F
Average low
36.0°F
Annual precipitation
40.2 in
Annual snowfall
33.8 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)
47
Days with Good air quality
215
Days with Moderate air quality
150
Highest AQI recorded (year)
87

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

Amenities

Airports within 30 mi
14
Nearest airport
Davis Field (6 mi)
Nearest major airport
Waterloo Regional Airport (ALO) (9 mi)
Hospitals nearby (~15 mi)
16
Hospitals include
UNITYPOINT HEALTH - MARSHALLTOWN, SARTORI MEMORIAL HOSPITAL, INC, ST LUKES HOSPITAL
Avg hospital rating (CMS)
3.4 / 5
Best hospital rating nearby (CMS)
4.0 / 5
EV charging stations (within 10 mi)
12
Solar radiation rating
Fair (3.9 kWh/m²/day)

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

Housing stock

Median year housing built
1,956
Housing built before 1970
62.1%
Housing built 2000 or later
0.0%
Median annual property tax
$1,891
Households with broadband internet
63.6%

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

Employment & development

Total county employment
62,856
Average weekly wage
$1,142
Top industries (by employment)
Health Care, Accommodation & Food, Administrative Services
Annual residential building permits (county)
166

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

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

Common questions

What is the median home value in ZIP 50623?
$170,800.
What is the natural-hazard risk in ZIP 50623?
Overall risk: Relatively Low (FEMA NRI, county-level). Top hazards: drought, strongWind, tornado, winterWeather, coldWave.
What is the wildfire risk in ZIP 50623?
Risk to homes is higher than 17% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in ZIP 50623?
High radon potential — EPA Zone 1 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near ZIP 50623?
No current or proposed National Priorities List sites within 5 miles (EPA).
What is the air quality in ZIP 50623?
Good. Median AQI: 47. (EPA AQI).
What is the cost of living in ZIP 50623?
Regional Price Parity: 87.8 (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 →

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