73503 ZIP Code, Fort Sill, OK
73503 is a ZIP code in Fort Sill, Oklahoma in Comanche County. It covers 74 square miles of land. The closest ZIP codes are 73507, 73557 and 73505. 11,468 people live here in 1,755 households. With about 155 people per square mile it is lightly settled, and most households rent (0% own). Median household income is $60,859, close to the Oklahoma median of $65,039; 77% of households have children under 18.
Quick facts
- Mailing city: Fort Sill, OK
- County: Comanche County
- Land area: 74 sq mi
- Population: 11,468
- Median household income: $60,859
Key figures
| Measure | Value |
|---|---|
| Residents | 11,468 |
| Households | 1,755 |
| Median household income | $60,859 |
| Income per person | $23,318 |
| Median age | 21.7 |
| Homeowners | 0.0% |
| Median home value | not published |
| Median rent | $1,228 |
| Bachelor's degree or higher | 32.2% |
| Average commute (minutes) | 9 |
| Households with kids under 18 | 76.8% |
| Moved in the past year | 40.9% |
| Below the poverty line | 8.4% |
| Broadband internet | 99.5% |
| Speak a non-English language at home | 14.1% |
Household income
| % of households | Value |
|---|---|
| <$10K | 5.0% |
| $10–15K | 0.0% |
| $15–25K | 0.3% |
| $25–35K | 6.2% |
| $35–50K | 19.4% |
| $50–75K | 34.9% |
| $75–100K | 16.2% |
| $100–150K | 14.8% |
| $150–200K | 2.8% |
| $200K+ | 0.4% |
Age
| % of all residents | Value |
|---|---|
| <10 | 21.3% |
| 10–19 | 20.4% |
| 20–24 | 18.9% |
| 25–34 | 29.0% |
| 35–44 | 7.2% |
| 45–54 | 1.8% |
| 55–64 | 1.4% |
| 65–74 | 0.0% |
| 75+ | 0.0% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 0.0% |
| Owned outright | 0.0% |
| Rented | 95.0% |
| Vacant | 5.0% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 23.6% |
| Townhome | 52.0% |
| 2–4 units | 22.6% |
| 5–19 units | 0.4% |
| 20+ units | 1.0% |
| Mobile / other | 0.4% |
Businesses in 73503
53 business establishments with 1,321 employees (ZIP Codes Business Patterns 2023).
- Professional, Scientific, and Technical Services: 11
- Other Services (except Public Administration): 10
- Retail Trade: 8
- Administrative and Support and Waste Management and Remediation Services: 7
- Health Care and Social Assistance: 5
- Finance and Insurance: 3
- Educational Services: 3
EDDM carrier routes
See every USPS carrier route in 73503 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 73507 — Lawton city, OK (3.3 mi)
- 73557 — Medicine Park town, OK (3.4 mi)
- 73505 — Lawton city, OK (7.6 mi)
- 73538 — Elgin city, OK (8.9 mi)
- 73527 — Cache city, OK (10.4 mi)
- 73501 — Lawton city, OK (14.3 mi)
- 73540 — Faxon town, OK (15.4 mi)
- 73543 — Geronimo town, OK (15.7 mi)
Areas that include 73503
- Lawton, OK ZIP codes — 4 ZIP codes
- Fort Sill, OK ZIP codes — 1 ZIP code
- Comanche County ZIP codes — 15 ZIP codes
- Oklahoma ZIP code data
Where it ranks
- No. 1 of 10: highest share of households with children in Comanche County
- No. 1 of 10: highest share of residents who moved in during the past year in Comanche County
- No. 1 of 10: lowest median age in Comanche County
- No. 4 of 10: fastest population growth in Comanche County
Mail every home in 73503
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 73503, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 73503 in?
- 73503 is a Fort Sill, OK mailing address. By land area, 31% lies inside Lawton; the rest is outside any Census-defined city or community.
- What county is 73503 in?
- 73503 is in Comanche County.
- What is the population of 73503?
- About 11,468 people (±556), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 11,796.
- What is the median household income in 73503?
- $60,859 (±$3,384), compared with $65,039 for Oklahoma as a whole. Half the households in the ZIP code earn more and half earn less.
- How many carrier routes and mailboxes are in 73503?
- EDDM2GO's stored route library does not include 73503 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 73503?
- The closest, measured center to center: 73507 (3.3 mi, Lawton), 73557 (3.4 mi, Medicine Park), 73505 (7.6 mi, Lawton), 73538 (8.9 mi, Elgin), 73527 (10.4 mi, Cache) and 73501 (14.3 mi, Lawton).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.