Zip Code 73521
Altus, Oklahoma — Jackson County
📍 ZIP code 73521 is in Altus, Jackson County, Oklahoma.
ZIP code 73521 is located in Altus, Jackson County, Oklahoma. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 20,352. The area code for ZIP code 73521 is 918.
Quick Answer
Zip code 73521 is in Altus, Oklahoma (Jackson County). It has a population of 20,352, median household income of $59,857, and median home value of $150,900.
Population
20,352
Income
$59,857
Home Value
$150,900
Climate
97°F / 25°F
About Zip Code 73521
Zip code 73521 is located in Altus, Oklahoma, within Jackson County. Home to approximately 20,352 residents, this area sits at an elevation of 1379 ft and falls within the Central (CST/CDT) timezone. The local area code is 918.
The median household income is $59,857 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $150,900, and the cost of living index is 60 (40% below the national average of 100).
Summers average a high of 97°F while winters drop to 25°F. The area receives about 28 in of rain and 4 in of snow annually. The zip code covers 183.8 square miles of land area and 0.2 square miles of water.
Key Statistics
20,352
$59,857
$150,900
Central (CST/CDT)
918
1379 ft
183.8 sq mi
34.6
9,975
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Compare With Nearby Zip Codes
| Metric | 73521 | 73556 | 73549 | 73560 | 73526 | 73539 |
|---|---|---|---|---|---|---|
| City | Altus, OK | Martha, OK | Headrick, OK | Altus, OK | Blair, OK | Altus, OK |
| Population | 20,352 | 121 | 331 | 738 | 1,939 | 157 |
| Median Income | $59,857 | $83,333 | $185,234 | $60,803 | $66,705 | $97,321 |
| Home Value | $150,900 | $107,800 | $228,900 | $97,800 | $194,400 | $98,900 |
| Cost of Living | 60 | 60 | 113 | 60 | 68 | 77 |
| Median Age | 34.6 | 43.6 | 52.5 | 42.1 | 37.6 | 38.2 |
Cost of Living
100 = National Average. Altus's cost of living is 40% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
2.5x
Demographics
Zip code 73521 has a population of 20,352 people with a median age of 34.6. There are 9,975 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Altus (73521) population trend from 2010 to 2024
↓ -35.8%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
97°F
25°F
28 in
4 in
Altus experiences hot summers with average highs around 97°F. Winters are cool with lows averaging 25°F. The area receives about 4 in of snow per year.
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Housing & Economy
Median Home Value
$150,900
Median Household Income
$59,857
With 9,975 housing units across 183.8 square miles, 73521 has a housing density of 54 units per square mile. The home price-to-income ratio is 2.5x.
Location & Geography
Latitude
34.6413°
Longitude
-99.3159°
Land Area
183.8 sq mi
Water Area
0.2 sq mi
Nearby Zip Codes
Zip codes closest to 73521 (Altus, OK) with distances:
All Zip Codes in Altus, OK
Other zip codes serving Altus:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 73521's $59,857. A way to compare Altus to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 73521 (Altus, OK). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Altus, Oklahoma?
Altus, Oklahoma uses zip code 73521 along with 2 other zip codes.
What county is zip code 73521 in?
Zip code 73521 is located in Jackson County, Oklahoma.
What is the population of zip code 73521?
The population of zip code 73521 is 20,352 with a median age of 34.6.
Is 73521 in Altus, Oklahoma?
Yes, zip code 73521 is in Altus, Jackson County, Oklahoma. The area code is 918.
Frequently Asked Questions
What city is zip code 73521 in?
Zip code 73521 is in Altus, Oklahoma. It is part of Jackson County and uses the Central (CST/CDT) timezone.
What is zip code 73521?
Zip code 73521 is a U.S. postal code in Altus, Oklahoma (Jackson County). It has a population of 20,352 and covers 183.8 square miles.
What is the population of zip code 73521?
The population of zip code 73521 (Altus, OK) is 20,352 with a median age of 34.6. There are approximately 9,975 housing units in this area.
What is the median income in zip code 73521?
The median household income in zip code 73521 (Altus, OK) is $59,857 per year. The cost of living index is 60 (100 = national average).
What is the average home price in zip code 73521?
The median home value in zip code 73521 (Altus, OK) is $150,900. The cost of living index is 60 compared to the national average of 100.
What county is zip code 73521 in?
Zip code 73521 is located in Jackson County, Oklahoma. The primary city is Altus.
What is the area code for zip code 73521?
Zip code 73521 in Altus, OK uses area code 918. It is located in the Central (CST/CDT) timezone.
Is zip code 73521 a good place to live?
Zip code 73521 (Altus, OK) has a cost of living index of 60 (100 = national average), a median household income of $59,857, and median home values of $150,900. The median age is 34.6. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 73521?
The cost of living index for zip code 73521 (Altus, OK) is 60, where 100 represents the national average. This area is below the national average. Median home value: $150,900.
What schools serve zip code 73521?
Zip code 73521 in Altus, Oklahoma is served by the local school district of Jackson County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.