Area data
Fort Sill, OK — ZIP 73503
Population: 11,468 (Census ACS)
1 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively Moderate, with icestorm, coldwave, strongwind the top-rated hazards. Cost of living is 12.2% below the US average (BEA, metro/state-level).
Home values & appreciation
- House Price Index (state)
- 387.2 (+3.0% 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)
- 13.1¢/kWh
- Natural gas rate (state-level)
- $14.00/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
- 1
- Elementary schools
- 1
- Middle schools
- 0
- High schools
- 0
- Schools include
- FREEDOM ES
Source: NCES school directory, 2022-23 (school-address-based)
Natural hazards & flood risk
- Overall hazard risk (county)
- Relatively Moderate
- Top hazards (county)
- iceStorm, coldWave, strongWind, tornado, winterWeather
- Notable hazard ratings (county)
- coldWave: Relatively High · drought: Relatively Moderate · earthquake: Relatively Low · hail: Relatively Moderate · heatWave: Relatively Low · iceStorm: Very High
- Wildfire risk to homes (county)
- Higher than 92% of US counties
- Buildings in wildfire direct-exposure zone
- 31.5%
- Radon potential (county)
- Low radon potential — EPA Zone 3 of 3
- EPA Superfund (NPL) sites within 5 mi
- None
- Nearest Superfund site
- Oklahoma Refining Co. (21.3 mi)
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)
- Annual precipitation
- 29.7 in
- USDA plant hardiness zone
- 8a (extreme annual low 10 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
- 242
- Days with Moderate air quality
- 113
- Highest AQI recorded (year)
- 339
Source: EPA air quality data (nearest monitoring station, annual)
Amenities
- Airports within 30 mi
- 27
- Nearest airport
- Henry Post Army Air Field (FSI) (2 mi)
- Nearest major airport
- Henry Post Army Air Field (FSI) (2 mi)
- Hospitals nearby (~15 mi)
- 11
- Hospitals include
- DUNCAN REGIONAL HOSPITAL, INC, GRADY MEMORIAL HOSPITAL, COMANCHE COUNTY MEMORIAL HOSPITAL
- Avg hospital rating (CMS)
- 2.8 / 5
- Best hospital rating nearby (CMS)
- 4.0 / 5
- Solar radiation rating
- Good (4.8 kWh/m²/day)
Sources: National Park Service · FAA airport data · CMS hospital data · DOE/NREL (proximity-based)
Housing stock
- Median year housing built
- 1,995
- Housing built before 1970
- 31.4%
- Housing built 2000 or later
- 46.5%
- Households with broadband internet
- 89.9%
Source: Census ACS 5-year estimates (ZIP-level)
Employment & development
- Total county employment
- 27,664
- Average weekly wage
- $871
- Top industries (by employment)
- Accommodation & Food, Health Care, Administrative Services
- Annual residential building permits (county)
- 89
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 natural-hazard risk in ZIP 73503?
- Overall risk: Relatively Moderate (FEMA NRI, county-level). Top hazards: iceStorm, coldWave, strongWind, tornado, winterWeather.
- What is the wildfire risk in ZIP 73503?
- Risk to homes is higher than 92% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
- What is the radon potential in ZIP 73503?
- Low radon potential — EPA Zone 3 of 3, county-level. EPA recommends testing every home regardless of zone.
- Are there Superfund sites near ZIP 73503?
- No current or proposed National Priorities List sites within 5 miles (EPA).
- How many schools serve ZIP 73503?
- 1 schools (1 elementary) (NCES, 2022-23).
- What is the air quality in ZIP 73503?
- Good. Median AQI: 43. (EPA AQI).
- What is the cost of living in ZIP 73503?
- 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 →