Postal Codes

73533 ZIP Code

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ZIP code 73533 covers Duncan, Oklahoma, with a population of about 27,935 and a median household income of $59,341.

Population
27,93585 per square mile
Median age
39.81.1 points above the US average
Median household income
$59,3417% below the Oklahoma median
Poverty rate
18.4%6 points above the US average
Typical home value
$138,518up 36.7% in five years
Median rent
$87711% below the Oklahoma median
Degree or higher
19.8%15.2 points below the US average
Homeownership
71.2%6.2 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
742

Where 73533 is

Duncan, Oklahoma — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population27,935
Median age39.8
Family households67.7%
Born outside the US3.5%
Speaks a language other than English at home7.1%
White (non-Hispanic)75.7%
Black (non-Hispanic)2%
Asian (non-Hispanic)0.6%
Hispanic or Latino10.2%
Veterans9%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$59,341
Income per person$34,422
Poverty rate18.4%
Households on SNAP or cash assistance19.1%

Household income distribution

Under $10k7.1%
$10–15k5.3%
$15–20k4.3%
$20–25k3.6%
$25–30k3.9%
$30–35k5.1%
$35–40k4.4%
$40–45k4.2%
$45–50k4.1%
$50–60k8.6%
$60–75k9.7%
$75–100k14.1%
$100–125k7.8%
$125–150k5.7%
$150–200k6.0%
$200k or more6.0%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed11,080
Mean adjusted gross income$64,464
Returns declaring $200,000 or more3.7%
Returns, under $25k33.9%
Returns, $25k–$50k25.7%
Returns, $50k–$75k14.3%
Returns, $75k–$100k9.1%
Returns, $100k–$200k13.3%
Returns, $200k or more3.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$137,300
Median gross rent$877
Rent as a share of household income27%
Owner-occupied71.2%
Vacant homes14.3%
Median year built1973

What the homes are

Detached house83.4%
Attached house2.9%
2 to 4 units3.3%
5 to 19 units3.1%
20 or more units2.4%
Mobile home4.5%
Boat, RV or van0.4%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$138,518as of 2026-07
Typical home value, 1 yearup 3.2%
Typical home value, 5 yearsup 36.7%
Typical home value, 10 yearsup 54.2%
Typical asking rent$1,112as of 2026-07
Typical home value since 2000
200020132026$138,518$61,462

$61,462 in 2000 to $138,518 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.4%
Bachelor's degree or higher19.8%
High school diploma or higher86.5%
Works from home4.8%
Drives to work alone78.3%
Takes public transport0.2%
Commutes 45 minutes or more12.7%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity39.5% 6.1 pts above the national average of 33.4%
Diagnosed diabetes14.9% 2.9 pts above the national average of 12%
Currently smokes19.3% 6.1 pts above the national average of 13.2%
High blood pressure44.6% 10.5 pts above the national average of 34.1%
Fair or poor general health25.3% 5 pts above the national average of 20.3%
No health insurance (18–64)12.3% 1 pts above the national average of 11.3%
Depression25.6% 3.7 pts above the national average of 21.9%
No leisure-time physical activity35.5% 10.1 pts above the national average of 25.4%
Arthritis33.1% 8 pts above the national average of 25.1%
Binge drinking13% 3 pts below the national average of 16%
Taking blood pressure medication78.6% 3.9 pts above the national average of 74.7%
Cancer (non-skin)9.4% 1.7 pts above the national average of 7.7%
Current asthma11.9% 1.5 pts above the national average of 10.4%
Coronary heart disease9.2% 3 pts above the national average of 6.2%
Routine check-up in past year79.7% 3 pts above the national average of 76.7%
Cholesterol screening84.6% 1.3 pts below the national average of 85.9%
Cognitive disability18.4% 3.6 pts above the national average of 14.8%
Colorectal screening60.3% 4 pts below the national average of 64.3%
COPD10.5% 3.9 pts above the national average of 6.6%
Visited a dentist54% 7.3 pts below the national average of 61.3%
Any disability43.3% 12.6 pts above the national average of 30.7%
Lacks emotional support24.4% same as the national average of 24.8%
Food insecurity20.4% 3.3 pts above the national average of 17.1%
Received food stamps18% 3.7 pts above the national average of 14.3%
Hearing disability11.4% 4.7 pts above the national average of 6.7%
High cholesterol41% 4.8 pts above the national average of 36.2%
Housing insecurity14% same as the national average of 13.8%
Independent living disability11.1% 2.7 pts above the national average of 8.4%
Lacks transport10.1% 0.9 pts above the national average of 9.2%
Loneliness32.2% 2.2 pts below the national average of 34.4%
Mammography use68.5% 7.4 pts below the national average of 75.9%
Poor mental health (14+ days)18.3% 1.5 pts above the national average of 16.8%
Mobility disability21.3% 7.3 pts above the national average of 14%
Poor physical health (14+ days)16.7% 3.2 pts above the national average of 13.5%
Self-care disability5.3% 1.3 pts above the national average of 4%
Utility shut-off threat10.7% 1.9 pts above the national average of 8.8%
Sleeps under 7 hours34.6% 1.8 pts below the national average of 36.4%
Stroke4.7% 1.3 pts above the national average of 3.4%
All natural teeth lost20.2% 7.2 pts above the national average of 13%
Vision disability7.2% 1.6 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments742
People employed10,390
Annual payroll$465,080,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 70.7% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 11 census tracts this ZIP code covers
Expected annual loss67.3 out of 100
Community resilience22.9 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Wildfire95.7Relatively High at its worst in this ZIP code
Ice storm95.1Very High at its worst in this ZIP code
Hail94.4Relatively High at its worst in this ZIP code
Drought93.8Relatively High at its worst in this ZIP code
Tornado92.6Very High at its worst in this ZIP code
Strong wind91.6Very High at its worst in this ZIP code
Heat wave83.5Relatively High at its worst in this ZIP code
Landslide80.8Relatively Low at its worst in this ZIP code
Cold wave80.1Relatively High at its worst in this ZIP code
Winter weather76.6Relatively High at its worst in this ZIP code
River flooding54.3Relatively High at its worst in this ZIP code
Earthquake53.3Relatively Low at its worst in this ZIP code
Lightning50.5Relatively Moderate at its worst in this ZIP code
Hurricane38.9Very Low at its worst in this ZIP code
Compared with Oklahoma and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPOklahomaUnited States
Median household income$59,341$63,603$78,538
Income per person$34,422$34,859$43,289
Poverty rate18.4%15.3%12.4%
Median home value$137,300$185,900$303,400
Median gross rent$877$980$1,348
Homeownership71.2%65.8%65%
Bachelor's degree or higher19.8%27.8%35%
Unemployment rate5.4%4.9%5.2%
Works from home4.8%8.5%13.5%
Born outside the US3.5%6.3%13.9%
Median age39.836.938.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationDUNCAN, OK US1.9 km away
Rain in a year37 in
Snow in a year3 in

Average high and low by month

January51.9°F / 28.4°F1.52 in rain, 1.1 in snow
February56.5°F / 31.9°F1.84 in rain, 0.4 in snow
March64.8°F / 41.2°F2.76 in rain, 0.2 in snow
April73.4°F / 49°F3.45 in rain
May80.5°F / 59°F5.58 in rain
June88.5°F / 68°F4.49 in rain
July93.5°F / 71.6°F2.58 in rain
August93.2°F / 70.8°F2.9 in rain
September85.8°F / 63.3°F3.79 in rain
October75.5°F / 50.8°F3.86 in rain
November63.5°F / 39.2°F2.33 in rain, 0.3 in snow
December53.6°F / 30.7°F2.04 in rain, 0.8 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket5% of this ZIP code's area
Far from a supermarket46% of this ZIP code's area
No vehicle and far from a supermarket7% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 7 school districts, so the address decides which one, not the ZIP code.

Velma-Alma Public Schools34.6% of this ZIP code's land area
Empire Public Schools19% of this ZIP code's land area
Duncan Public Schools16.9% of this ZIP code's land area
Bray-Doyle Public Schools12.5% of this ZIP code's land area
Comanche Public Schools9.2% of this ZIP code's land area
Central High Public Schools5.9% of this ZIP code's land area
Marlow Public Schools1.7% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability53more vulnerable than 53% of US census tracts
Socioeconomic status58more vulnerable than 58% of US census tracts
Household characteristics62more vulnerable than 62% of US census tracts
Racial and ethnic minority status37more vulnerable than 37% of US census tracts
Housing type and transport39more vulnerable than 39% of US census tracts
Walkability4.6 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

73534 Duncan, OK3.3 km away
73536 Duncan, OK8.4 km away
73055 Marlow, OK14.6 km away
73529 Comanche, OK15 km away
73491 Velma, OK25.5 km away
73082 Rush Springs, OK29.3 km away
73520 Addington, OK29.3 km away
73442 Loco, OK32.6 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Stephens County99.7% of this ZIP code's land area
Cotton County0.3% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area329.54 sq mi
Water area4.26 sq mi
Population density85 people per sq mi
Latitude, longitude34.5073, -97.9403

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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