Fort Sill, OK 73503 ZIP Code Profile

Related Place Profiles:
Lawton, OK

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ZIP Code 73503: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Fort Sill, OK 73503

Acceptable Alternative
Lawton, OK 73503

  • ZIP Code Type: STANDARD
  • County: Comanche County
  • Centroid: Latitude 34.664, Longitude -98.443
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes
  • Businesses Addresses: 97
  • PO Box Addresses: 427
  • Residential Addresses: 1,797
    • Multi-Family Addresses: 288
    • Single Family Addresses: 1,509

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


73503 ZIP Code Map

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Fort Sill, OK 73503 Data & Demographics (As of July 1, 2017)


Total Population 10,909
Daytime Population: Workers 12,606
Daytime Population: Residents 2,766
Total Daytime Population (TDP) 15,372
Ratio TDP/Total Population1 1.41
Population in Households 5,005
Population in Familes 4,778
Population in Group Qrtrs 5,904
Population Density2 514
Diversity Index3 66


Median Household Income $42,714
Average Household Income $54,419
Per Capita Income $15,662


Total Housing Units 1,480 (100%)
Owner Occupied HU 8 ( 0.5%)
Renter Occupied HU 1,384 (93.5%)
Vacant Housing Units 88 ( 5.9%)
Median Home Value $0
Average Home Value $0


Total Households 1,392
Average Household Size 3.6
Family Households 1,233
Average Family Size 4
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.01% -0.07%
Households 0.05% -0.16%
Families -0.02% -0.2%
Median Household Income   2.34%
Per Capita Income   1.55%

Fort Sill, OK 73503 - Peer Comparisons by Rank and Percentile

The table below compares 73503 to the other 632 ZIP Codes in Oklahoma by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 121 81st
Population Density # 93 85th
Diversity Index # 72 89th
Median Household Income # 356 44th
Per Capita Income # 607 4th

Additional comparisons and rankings can be made with a VERY EASY TO USE Oklahoma Census Data Comparison Tool.

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