ZIP Code 73503
standardSource:
Fort Sill · Comanche County · Oklahoma
- Population
- 10,996
- Median income
- $60,859
- Bachelor's or higher
- 32.2%
- Land area
- 218.2 sq mi
50/sq mi
▼ 20% vs US
higher than 30% of US ZIPs
Median age 21.7
Chicago
ZIP code 73503 in Fort Sill, Oklahoma has a population of 10,996. The median household income is $60,859, which is 20% below the national average. 32.2% of residents hold a bachelor's degree or higher.
ZIP code 73503 is classified by USPS as a standard delivery area and covers roughly 218.2 square miles in Fort Sill, Comanche County, Oklahoma. The area is home to 10,996 residents, producing a population density of 50 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 73503 against Oklahoma and the nation.
On the economic side, the median household income for ZIP 73503 sits at $60,859 (3% below the Oklahoma average), while per-capita income is $23,318. The poverty rate stands at 8.4% and the unemployment rate at 1.0%. On housing, the median home value is — with median rent at $1,228 per month, and 0.0% of occupied units are owner-occupied, a direct signal of whether 73503 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 32.2% of adults hold a bachelor's degree or higher, the median age is 21.7, and the average commute is —. We also surface 4 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Comanche County, so you can benchmark 73503 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 73503
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 73503.
- Professional, scientific, and technical services
Professional, scientific, and technical services
11 establishments
- Other services (except public administration)
Other services (except public administration)
10 establishments
- Retail trade
Retail trade
8 establishments
- Administrative and support and waste management and remediation services
Administrative and support and waste management and remediation services
7 establishments
- Health care and social assistance
Health care and social assistance
5 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 73503, Fort Sill, OK · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
10,996
Population
218.2
Area (sq mi)
50
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 73503?
21.7
Median Age
60.9%
Male
39.1%
Female
5.5%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$60,859
Median Household Income
-3% vs state
$23,318
Per Capita Income
8.4%
Poverty Rate
1.0%
Unemployment Rate
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
1,848
Total Housing Units
1,755
Occupied Units
93
Vacant Units
3.82
Avg Household Size
Occupancy Type
$1,228
Median Rent
1995
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 53 business establishments in ZIP 73503, employing approximately 1,321 people with a combined annual payroll of $99,309,000.
53
Businesses
1,321
Employees
$99.3M
Annual Payroll
7
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Professional, scientific, and technical services | 11 | 20.8% |
| Other services (except public administration) | 10 | 18.9% |
| Retail trade | 8 | 15.1% |
| Administrative and support and waste management and remediation services | 7 | 13.2% |
| Health care and social assistance | 5 | 9.4% |
| Finance and insurance | 3 | 5.7% |
| Educational services | 3 | 5.7% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 73503 vs 73557 →
More ZIP Codes in Comanche County
Related Areas
Frequently Asked Questions
What county is ZIP code 73503 in? ▼
What is the population of ZIP code 73503? ▼
What is the median household income in ZIP 73503? ▼
What is the demographic makeup of ZIP 73503? ▼
How many businesses are in ZIP code 73503? ▼
What are the main industries in ZIP code 73503? ▼
What is the education level in ZIP code 73503? ▼
What is the poverty rate in ZIP code 73503? ▼
ZIP Code Research Guides
Official Data Resources for Fort Sill, OK
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.