Residential delivery area · Oklahoma
ZIP Code 73503: Fort Sill, OK
ZIP code 73503 uses the postal name Fort Sill, Oklahoma and lies entirely in Comanche County (Census 2020 ZIP-county file). About 11,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $60,859 (Census Bureau, ACS 2020-2024). By Census place, 31% of its land lies in Lawton; 69% is outside any Census place.
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Fort Sill · its only residential ZIP
- County
- Comanche County
- Census places
- Lawton
- Metro area
- Lawton, OK
- House district
- OK-4 119th Congress
- State
- Oklahoma
- Time zone
- Central
- Land area
- 74.2 sq mi · 155 people per sq mi
Where is ZIP code 73503?
73503 centers on 34.683°, -98.492° and covers 74.2 square miles of land plus 0.1 of water. It borders 4 ZIP codes: 73507, 73557, 73505, 73527.
The map draws ZIP code areas only. For the streets inside 73503, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 73503 compare with the rest of Comanche County?
| Measure | 73503 | In Comanche County | In OK |
|---|---|---|---|
| People (ACS 2020-2024) | 11,468 | 4th of 19 | 115th of 664 |
| Median household income | $61k | not ranked | not ranked |
| Median home value | – | not ranked | not ranked |
73503's income and home value are not ranked: most of its 11,468 residents live outside households (1,755 households): a campus, a base or an institution. Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 60% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 73503?
The 2020 Census counted 11,796 people in 73503; the ACS, which samples households over 2020-2024, estimates 11,468. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 11,468
- 2020 Census count
- 11,796
- Households
- 1,755
- Median age
- 21.7
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 73503?
Of the 11,468 people the ACS estimates in 73503, 29.7% are under 18 and 0.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (49.2%), then Hispanic or Latino (21.3%).
- Under 1829.7%
- 18 to 6470.3%
- 65 and older0.0%
- White, not Hispanic49.2%
- Hispanic or Latino21.3%
- Black, not Hispanic17.0%
- Other or two or more8.4%
- Asian, not Hispanic4.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 73503 earn?
Median household income is $60,859 (ACS 2020-2024).
- Median household income
- $60,859
- Income per person
- $23,318
- Below the poverty line
- 8.4%
- Unemployed (of the labor force)
- 6.2%
- Adults 25+ with a bachelor's degree
- 32.2%
- Adjusted gross income per tax return, 2022
- $51,0812,230 returns; wages 97% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 73503?
- Median home value (owners' estimate)
- –
- Median gross rent
- $1,228
- Homes owned by their occupants
- 0.0%
- Housing units
- 1,848
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 73503?
53 business establishments had a location in this ZIP code in 2023, 16 fewer than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services11
- Other services (except public administration)10
- Retail trade8
- Administrative and support and waste management and remediation services7
- Health care and social assistance5
- Finance and insurance3
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 73503?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 73507 | Lawton | 21,046 | $62k | 3.3 mi |
| 73557 | Medicine Park | 261 | $118k | 3.4 mi |
| 73505 | Lawton | 47,790 | $58k | 7.6 mi |
| 73527 | Cache | 5,109 | $75k | 10.4 mi |
| 73538 | Elgin | 7,128 | $91k | 8.9 mi (near) |
| 73501 | Lawton | 20,397 | $50k | 14.3 mi (near) |
| 73540 | Faxon | 324 | $87k | 15.4 mi (near) |
| 73552 | Indiahoma | 1,404 | $86k | 15.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.