ZIP code 73503: Fort Sill, OK
73503 is a ZIP code in Fort Sill, Oklahoma, mainly in Comanche County, part of the Lawton, OK metro area. About 11,468 people live here.
- Population
- 11,468
- Median household income
- $60,859
- Typical home value
- —
- Median rent
- $1,228gross, per month
- Median age
- 21.7
- Homeowners
- 0%of occupied homes
Shaded: ZIP code 73503's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 73503 details
| City | Fort Sill |
|---|---|
| State | Oklahoma |
| County | Comanche County |
| Metro area | Lawton, OK |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 74.2 sq mi, plus 0.1 sq mi of water |
| Population density | 155 people per sq mi |
| Bachelor's degree or higher | 32.2% of adults 25+ |
| Average commute | 9 minutes |
| Center coordinates | 34.68297, -98.49182 |
Median rent in 73503 by bedrooms
| Size | Median gross rent |
|---|---|
| 2 bedrooms | $1,217/mo |
| 3 bedrooms | $1,215/mo |
| 4 bedrooms | $1,256/mo |
| 5+ bedrooms | $1,196/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 73503
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 73507 | Lawton, OK | 3.3 mi | 21,046 |
| 73557 | Medicine Park, OK | 3.4 mi | 261 |
| 73506 | Lawton, OK | 4.1 mi | — |
| 73505 | Lawton, OK | 7.6 mi | 47,790 |
| 73502 | Lawton, OK | 7.7 mi | — |
| 73558 | Meers, OK | 8.5 mi | — |
| 73538 | Elgin, OK | 8.9 mi | 7,128 |
| 73527 | Cache, OK | 10.4 mi | 5,109 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
About ZIP code 73503
What city is ZIP code 73503?
ZIP code 73503 is in Fort Sill, OK, in Comanche County.
What county is ZIP code 73503 in?
73503 is mainly in Comanche County, Oklahoma.
What is the population of ZIP code 73503?
About 11,468 people live in ZIP code 73503, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 73503 in?
73503 is in Central Time (UTC−6). It observes daylight saving time.