US ZIP Code
73503

Fort Sill, OK

Comanche County  ·  Oklahoma

● Active
👥 11,433 Population ↑ 4% since 2019
💰 $56,979 Median HH Income
▼ 25% below avg ↑ 20% since 2019
🎂 21.7 Median Age ↑ 5% since 2019
🎓 42.9% College Grads
▲ 11% above avg
📊 1.5% Unemployment
▼ 70% below avg ↑ 49% since 2019
ZIP Code Details
ZIP Code73503
CityFort Sill
StateOklahoma (OK)
CountyComanche County
Area Code580
Elevation1,144 ft
Latitude34.682971
Longitude-98.49182
TimezoneChicago (DST)
FIPS40031
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 61.9% (7,077) Female 38.1% (4,356) ♀

Race & Ethnicity

White: 51.1%Hispanic: 20.7%Black: 16.2%Asian: 3.8%Other: 7.4%Race
White51.1%
Hispanic20.7%
Black16.2%
Asian3.8%
Other7.4%

Age Breakdown

Under 5
13%
5–17
17%
18–24
31%
25–44
35%
45–64
3%

Key Indicators

Median Age21.7 yrs ↑ 5% since 2019
Avg Household Size3.82
Below Poverty4.5% ▼ 55% below avg
College Grads42.9% ▲ 11% above avg
Unemployment1.5% ▼ 70% below avg
HS Graduate906 (21.2%)
Some College392 (9.2%)
Associates1,142 (26.7%)
Bachelors438 (10.3%)
Graduate Degree1,394 (32.6%)

Education

HS Grad: 21.2%Some College: 9.2%Associates: 26.7%Bachelors: 10.3%Graduate: 32.6%Edu
HS Grad21.2%
Some College9.2%
Associates26.7%
Bachelors10.3%
Graduate32.6%
Housing & Income

Housing Tenure

Renter: 100%Tenure
Renter100.0%

Financials

Median HH Income$56,979 ▼ 25% below avg ↑ 20% since 2019
Median Rent$1,271/mo ↑ 2% since 2019
Total Units1,820
Vacant Units74
Avg HH Size3.82

Income Distribution

Under $25k
6%
$25k–50k
24%
$50k–75k
37%
$75k–100k
12%
$100k–150k
15%
$150k–200k
4%
Over $200k
3%
Employment & Commute

How People Get to Work

Drove Alone
45%
Walked
5%
Work From Home
49%

Commute Time

Under 15 min
80%
15–30 min
18%
30–45 min
1%
Over 45 min
1%
Frequently Asked Questions
ZIP code 73503 is in Fort Sill, OK, in Comanche County.
ZIP code 73503 is located in Oklahoma (OK).
ZIP code 73503 is in Comanche County, OK.
ZIP 73503 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 73503 is 11,433 people (ACS 2023).
The median household income in ZIP code 73503 is $56,979 (ACS 2023).
Home value data not available.
About ZIP Code 73503

ZIP code 73503 is located in Fort Sill, Oklahoma, within Comanche County. With a population of 11,433, this is a lightly populated ZIP code with a young community — the median age is 21.7 years. Economically, 73503 is a solidly middle-class ZIP code: the median household income of $56,979 is below the national average.

Renters can expect to pay around $1,271 per month in median rent.

The population of 73503 is majority White (51.07%). Residents are well-educated — 42.9% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 4.5%. Household income has grown by 20% since 2019.

The unemployment rate in 73503 stands at 1.5%, which is well below the national average. A notably high share of workers — 48% — work from home, reflecting the professional makeup of the area. As in most parts of the country, driving alone is the dominant commute mode at 44%.

Overall, ZIP code 73503 in Fort Sill, OK is characterized as solidly middle-class, well-educated, and a young community.