ZipCodesToGo
Oklahoma ZIP Codes
Custer County
Arapaho, OK
73620
73620 ZIP Code — Arapaho, OK
Custer County, Oklahoma
ZIP code 73620 is located in
Arapaho ,
Oklahoma ,
within Custer County .
It covers approximately 104.56 square miles and serves a population of
1,638 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 580 .
About ZIP code 73620
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $138,700. Owner-occupancy sits near the national average at 68%.
Median household income is $48,200. SNAP benefit usage at 21% of households reflects economic stress in the area. 35% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is sales and office, with education and healthcare as the leading industry. The average commute of 18 minutes is near the national average.
College attainment at 14% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of smoking (21%) compared to national benchmarks.
Overall, ZIP code 73620 reflects a community defined by a trades-oriented workforce, a significant Social Security-dependent population, and elevated reliance on food assistance.
73620 ZIP code map
View map of 73620
Cities in ZIP code 73620
Below are the cities the US Postal Service accepts for ZIP code 73620. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
1,638
Population density
16 / sq mi
State FIPS
40
County FIPS
039
Geography
Land area
104.56 sq mi
Water area
0.24 sq mi
Latitude
35.6099
Longitude
-98.9292
Timezone
Central (CT)
Area code
580
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
38.5%
47.9%
46.5%
$50k – $100k
47.6%
26.0%
31.0%
$100k – $200k
12.8%
22.1%
18.1%
Over $200k
1.1%
4.0%
4.5%
Demographics & statistics
$48,200
Median household income
$138,700
Median home value
13.8%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 449 27.4%
18 and over 1,189 72.6%
65 and over 199 12.1%
Median age 38.5 years
Race & ethnicity
American Indian / Alaska Native
2.8%
Black or African American
0.9%
Group Count %
White 1,423 85.7%
Two or more races 134 8.1%
American Indian / Alaska Native 47 2.8%
Hispanic or Latino 23 1.4%
Other race 19 1.1%
Black or African American 15 0.9%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
38.5%
47.9%
46.5%
$50k – $100k
47.6%
26.0%
31.0%
$100k – $200k
12.8%
22.1%
18.1%
Over $200k
1.1%
4.0%
4.5%
Range % of households
Under $10k 1.9%
$10k–$15k 12.6%
$15k–$25k 8.6%
$25k–$35k 12.4%
$35k–$50k 17.9%
$50k–$75k 20.8%
$75k–$100k 11.1%
$100k–$150k 7.1%
$150k–$200k 5.5%
$200k+ 2.1%
Median income $48,200
Housing
Housing overview
Metric Value
Median home value $138,700
Median rent / month $660
Owner occupied 67.7%
Renter occupied 32.3%
Vacant 16.2%
Single-family detached 86.1%
Large apartment buildings 0.0%
Mobile homes 12.6%
Median rooms 5.5
Avg household size (owned) 3.43
Year built
Era %
2020 or later 1.3%
2010–2019 4.6%
2000–2009 1.0%
1990–1999 5.0%
1980–1989 13.0%
1970–1979 28.3%
1960–1969 22.4%
1950–1959 6.4%
1940–1949 4.8%
1939 or earlier 13.3%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 0.0%
2 bedrooms 25.9%
3 bedrooms 57.4%
4 bedrooms 13.9%
5+ bedrooms 2.7%
Vehicles per household
Vehicles % of households
No vehicle 5.0%
1 vehicle 36.3%
2 vehicles 35.7%
3 or more 23.1%
Heating fuel
Fuel type %
Utility gas 28.1%
Electricity 46.9%
Propane / LP gas 8.0%
Wood 4.6%
Households & families
Household type Count %
Married-couple family 283 54.0%
Cohabiting couple 58 11.1%
Male householder, no spouse 94 17.9%
Female householder, no spouse 89 17.0%
Households with children under 18 201 38.4%
Households with seniors (65+) 139 26.5%
Average household size 3.00
Marital status
Status Male Female
Never married 34.4% 28.5%
Married 49.7% 53.9%
Separated 0.7% 0.0%
Widowed 0.7% 7.6%
Divorced 14.6% 10.0%
Education
Some HS, no diploma
12.9%
Some college, no degree
20.7%
Graduate / professional
5.1%
Metric %
HS diploma or higher 85.9%
Bachelor's or higher 13.8%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 36 10.7%
Kindergarten 35 10.4%
Elementary school 201 59.8%
High school 45 13.4%
College / grad school 19 5.7%
Employment
Industry of employment
Education & healthcare
20.9%
Agriculture & mining
17.6%
Professional & management
9.3%
Transportation & utilities
5.9%
Public administration
4.9%
Finance & real estate
0.8%
Arts, food & hospitality
0.5%
Occupation
Category %
Management, business & arts 23.5%
Service 17.0%
Sales & office 29.3%
Natural resources & construction 13.8%
Production & transportation 16.4%
Employment type
Type %
Private sector 74.8%
Government 10.2%
Self-employed 14.6%
Unpaid family workers 0.5%
Commute
Method %
Drive alone 80.3%
Carpool 3.9%
Public transit 0.0%
Walk 9.9%
Work from home 5.9%
Other means 0.0%
Avg commute (minutes) 18.2
Poverty
Married-couple families
11.7%
Female-led households
0.0%
Income support
Source % of households
Social Security 34.9%
Retirement income 22.9%
Supplemental Security 18.1%
Cash public assistance 6.3%
Food stamps / SNAP 20.6%
Health indicators
Condition %
Obesity 36.8%
High blood pressure 39.1%
High cholesterol 37.8%
Diabetes 12.0%
Heart disease 7.9%
Stroke 3.7%
Asthma 10.6%
Arthritis 27.4%
Kidney disease 3.3%
Pulmonary disease 9.1%
Cancer 6.6%
Behavior / access %
Smoking 21.2%
Binge drinking 13.6%
No physical activity 30.9%
Less than 7 hrs sleep 32.3%
Depression 24.0%
Fair or poor health 19.2%
Poor mental health 16.7%
Poor physical health 13.2%
No health insurance 18.6%
Visited doctor (checkup) 75.3%
Visited dentist 56.6%
Cholesterol screening 86.9%
Teeth loss 18.9%
Veterans & disability
Veterans Count %
Civilian veterans 52 4.4%
Disability %
Any disability 16.6%
Under 18 6.0%
18–64 years 14.3%
65 and over 51.3%
Health insurance coverage
Type %
Private insurance 73.9%
Public insurance 28.4%
No insurance 10.9%
Uninsured under 19 0.7%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 1,551 94.7%
Spanish 2 0.1%
Other Indo-European 2 0.1%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 1,580 96.5%
Born in same state 1,580 96.5%
Born in different state 1,181 72.1%
Foreign born 0 0.0%
Naturalized citizen 58 3.5%
Not a US citizen 30 51.7%
Ancestry
Ancestry Count %
Arab 267 16.3%
Italian 233 14.2%
French 147 9%
Ancestry Count %
Polish 46 2.8%
English 28 1.7%
Technology access
Metric % of households
Computer access 32.0%
Internet access 95.6%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 73620
What city is ZIP code 73620 in?
ZIP code 73620 is primarily assigned to Arapaho, Oklahoma.
What county is ZIP code 73620 in?
ZIP code 73620 falls within Custer County, Oklahoma.
How educated is the population of ZIP code 73620?
14% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
What is the poverty rate in ZIP code 73620?
17% of residents in ZIP code 73620 live below the poverty line, above the national average.
What is the typical home value in ZIP code 73620?
The median home value in ZIP code 73620 is $138,700.
What is the population of ZIP code 73620?
ZIP code 73620 has an estimated population of 1,638 residents, with a density of 16 people per square mile.
What timezone is ZIP code 73620 in?
ZIP code 73620 observes the CST timezone.
Need the complete ZIP code database?
Download all 42,000+ US ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →