US ZIP Code
73533

Duncan, OK

Stephens County  ·  Oklahoma

● Active
👥 27,935 Population
💰 $59,341 Median HH Income
▼ 22% below avg ↑ 27% since 2019
🎂 39.8 Median Age ↑ 2% since 2019
🏠 $137,300 Median Home Value
▼ 51% below avg ↑ 18% since 2019
🎓 26.8% College Grads
▼ 31% below avg
📊 5.4% Unemployment
▲ 10% above avg ↓ 9% since 2019
ZIP Code Details
ZIP Code73533
CityDuncan
StateOklahoma (OK)
CountyStephens County
Area Code580
Elevation1,073 ft
Latitude34.504963
Longitude-97.866672
TimezoneChicago (DST)
FIPS40137
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 48.3% (13,498) Female 51.7% (14,437) ♀

Race & Ethnicity

White: 75.7%Hispanic: 10.2%Black: 2%Asian: 0.6%Other: 7.8%Race
White75.7%
Hispanic10.2%
Black2.0%
Asian0.6%
Other7.8%

Age Breakdown

Under 5
6%
5–17
17%
18–24
7%
25–44
25%
45–64
24%
65+
9%

Key Indicators

Median Age39.8 yrs ↑ 2% since 2019
Avg Household Size2.47
Below Poverty18.0% ▲ 80% above avg
College Grads26.8% ▼ 31% below avg
Unemployment5.4% ▲ 10% above avg
No HS Diploma237 (1.4%)
HS Graduate6,723 (38.9%)
Some College3,129 (18.1%)
Associates2,573 (14.9%)
Bachelors928 (5.4%)
Graduate Degree3,706 (21.4%)

Education

No HS: 1.4%HS Grad: 38.9%Some College: 18.1%Associates: 14.9%Bachelors: 5.4%Graduate: 21.4%Edu
No HS1.4%
HS Grad38.9%
Some College18.1%
Associates14.9%
Bachelors5.4%
Graduate21.4%
Housing & Income

Housing Tenure

Owner: 71.2%Renter: 28.8%Tenure
Owner71.2%
Renter28.8%

Home Value Distribution

Under $50k
14%
$50k–100k
20%
$100k–150k
22%
$150k–200k
17%
$200k–300k
18%
$300k–500k
7%
Over $500k
3%

Financials

Median HH Income$59,341 ▼ 22% below avg ↑ 27% since 2019
Median Home Value$137,300 ▼ 51% below avg ↑ 18% since 2019
Home/Income Ratio2.3x (nat avg ~3.5x)
Median Rent$877/mo ↑ 26% since 2019
Total Units12,969
Vacant Units1,853
Avg HH Size2.47

Income Distribution

Under $25k
21%
$25k–50k
18%
$50k–75k
19%
$75k–100k
15%
$100k–150k
14%
$150k–200k
6%
Over $200k
6%
Employment & Commute

How People Get to Work

Drove Alone
93%
Public Transit
0%
Walked
1%
Work From Home
6%

Commute Time

Under 15 min
52%
15–30 min
26%
30–45 min
9%
Over 45 min
13%
Housing Stock

Year Built

Before 1940
3%
1940s–1950s
13%
1960s–1970s
21%
1980s–1990s
9%
2000+
54%

Summary

Total Units12,969
Vacant1,853
Owner Occupied71.2%
Renter Occupied28.8%
Avg HH Size2.47
Frequently Asked Questions
ZIP code 73533 is in Duncan, OK, in Stephens County.
ZIP code 73533 is located in Oklahoma (OK).
ZIP code 73533 is in Stephens County, OK.
ZIP 73533 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 73533 is 27,935 people (ACS 2023).
The median household income in ZIP code 73533 is $59,341 (ACS 2023).
The median home value in ZIP 73533 is $137,300 (ACS 2023).
About ZIP Code 73533

ZIP code 73533 is located in Duncan, Oklahoma, within Stephens County. With a population of 27,935, this is a moderately populated ZIP code with a middle-aged community — the median age is 39.8 years. Economically, 73533 is a solidly middle-class ZIP code: the median household income of $59,341 is below the national average.

Real estate in ZIP code 73533 represents one of the more affordable housing markets in the country. The median home value of $137,300 is well below the national average. Renters can expect to pay around $877 per month in median rent. Homeownership is strong here — 71.2% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 18% since 2019.

The population of 73533 is primarily White (75.72%). Residents are moderately educated — 26.8% hold a bachelor's degree or higher, which is below the national average. Poverty affects some residents at 18.0%. Household income has grown by 27% since 2019.

The unemployment rate in 73533 stands at 5.4%, which is near the national average. As in most parts of the country, driving alone is the dominant commute mode at 78%.

Overall, ZIP code 73533 in Duncan, OK is characterized as solidly middle-class, moderately educated, a middle-aged community, and predominantly owner-occupied. With 27,935 residents, a median household income of $59,341, and a median home value of $137,300, it offers a clear picture of life in this part of Oklahoma.