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Oklahoma ZIP Codes
Beaver County
Balko, OK
73931
73931 ZIP Code — Balko, OK
Beaver County, Oklahoma
ZIP code 73931 is located in
Balko ,
Oklahoma ,
within Beaver County .
It covers approximately 226.99 square miles and serves a population of
509 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 580 .
About ZIP code 73931
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1960s, giving the area an established character. Median home value is $88,100. Owner-occupancy sits near the national average at 73%.
The gap between median ($51,750) and mean household income suggests income inequality — a small number of higher earners pull the average up.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 19 minutes is near the national average.
Educational attainment is high — 55% of residents hold a bachelor's degree or higher, well above the national average of 33%.
Notable community characteristics include disability rates above the national average at 24%.
73931 ZIP code map
View map of 73931
Cities in ZIP code 73931
Below are the cities the US Postal Service accepts for ZIP code 73931. Using any city not on this list may result in mail delivery delays.
City
Status
Balko
Preferred
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
509
Population density
2 / sq mi
State FIPS
40
County FIPS
007
Geography
Land area
226.99 sq mi
Water area
0.09 sq mi
Latitude
36.6070
Longitude
-100.6392
Timezone
Central (CT)
Area code
580
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
57.4%
44.8%
46.5%
$50k – $100k
30.9%
37.4%
31.0%
$100k – $200k
8.2%
16.7%
18.1%
Over $200k
3.4%
1.2%
4.5%
Demographics & statistics
$51,750
Median household income
55.4%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 103 20.2%
18 and over 406 79.8%
65 and over 157 30.8%
Median age 44.5 years
Race & ethnicity
Group Count %
White 461 88.7%
Two or more races 31 6%
Hispanic or Latino 11 2.1%
Other race 11 2.1%
Asian 6 1.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
57.4%
44.8%
46.5%
$50k – $100k
30.9%
37.4%
31.0%
$100k – $200k
8.2%
16.7%
18.1%
Over $200k
3.4%
1.2%
4.5%
Range % of households
Under $10k 2.1%
$10k–$15k 0.4%
$15k–$25k 0.9%
$25k–$35k 35.2%
$35k–$50k 9.9%
$50k–$75k 13.7%
$75k–$100k 13.3%
$100k–$150k 12.4%
$150k–$200k 3.9%
$200k+ 8.2%
Median income $51,750
Housing
Housing overview
Metric Value
Median home value $88,100
Median rent / month $942
Owner occupied 73.0%
Renter occupied 27.0%
Vacant 21.3%
Single-family detached 95.6%
Large apartment buildings 0.0%
Mobile homes 3.7%
Median rooms 5.5
Avg household size (owned) 1.56
Year built
Era %
2020 or later 0.0%
2010–2019 4.1%
2000–2009 1.0%
1990–1999 4.7%
1980–1989 0.7%
1970–1979 10.1%
1960–1969 15.2%
1950–1959 14.2%
1940–1949 42.2%
1939 or earlier 7.8%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 1.0%
2 bedrooms 40.2%
3 bedrooms 44.6%
4 bedrooms 14.2%
5+ bedrooms 0.0%
Vehicles per household
Vehicles % of households
No vehicle 0.9%
1 vehicle 38.6%
2 vehicles 23.6%
3 or more 36.9%
Heating fuel
Fuel type %
Utility gas 25.8%
Electricity 8.2%
Propane / LP gas 63.5%
Households & families
Household type Count %
Married-couple family 99 42.5%
Cohabiting couple 11 4.7%
Male householder, no spouse 34 14.6%
Female householder, no spouse 89 38.2%
Households with children under 18 40 17.2%
Households with seniors (65+) 131 56.2%
Average household size 2.18
Marital status
Status Male Female
Never married 11.6% 20.3%
Married 64.0% 40.6%
Separated 0.0% 0.0%
Widowed 9.8% 38.3%
Divorced 14.6% 0.8%
Education
Some college, no degree
15.1%
Graduate / professional
7.1%
Metric %
HS diploma or higher 99.1%
Bachelor's or higher 55.4%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 0 0.0%
Elementary school 56 54.4%
High school 20 19.4%
College / grad school 27 26.2%
Employment
Industry of employment
Education & healthcare
25.5%
Professional & management
13.9%
Agriculture & mining
11.6%
Arts, food & hospitality
6.4%
Finance & real estate
4.8%
Public administration
4.4%
Transportation & utilities
2.0%
Occupation
Category %
Management, business & arts 51.0%
Service 12.7%
Sales & office 21.9%
Natural resources & construction 12.4%
Production & transportation 2.0%
Employment type
Type %
Private sector 53.8%
Government 29.5%
Self-employed 16.7%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 68.7%
Carpool 14.0%
Public transit 0.0%
Walk 5.8%
Work from home 11.5%
Other means 0.0%
Avg commute (minutes) 19.3
Poverty
Married-couple families
0.0%
Female-led households
25.0%
Income support
Source % of households
Social Security 22.7%
Retirement income 49.8%
Supplemental Security 2.1%
Cash public assistance 0.0%
Food stamps / SNAP 1.3%
Health indicators
Condition %
Obesity 35.3%
High blood pressure 38.4%
High cholesterol 35.6%
Diabetes 11.3%
Heart disease 8.0%
Stroke 3.5%
Asthma 10.2%
Arthritis 28.4%
Kidney disease 3.2%
Pulmonary disease 8.6%
Cancer 7.5%
Behavior / access %
Smoking 18.8%
Binge drinking 12.9%
No physical activity 27.7%
Less than 7 hrs sleep 31.8%
Depression 23.7%
Fair or poor health 16.9%
Poor mental health 15.4%
Poor physical health 12.1%
No health insurance 16.5%
Visited doctor (checkup) 76.8%
Visited dentist 61.9%
Cholesterol screening 89.2%
Teeth loss 16.4%
Veterans & disability
Veterans Count %
Civilian veterans 12 3.0%
Disability %
Any disability 24.4%
Under 18 0.0%
18–64 years 4.8%
65 and over 71.3%
Health insurance coverage
Type %
Private insurance 86.1%
Public insurance 31.6%
No insurance 8.4%
Uninsured under 19 17.1%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 484 95.1%
Spanish 0 0.0%
Other Indo-European 0 0.0%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 503 98.8%
Born in same state 503 98.8%
Born in different state 175 34.4%
Foreign born 0 0.0%
Naturalized citizen 6 1.2%
Not a US citizen 6 100.0%
Ancestry
Ancestry Count %
Italian 157 30.8%
Arab 33 6.5%
French 31 6.1%
Ancestry Count %
Polish 6 1.2%
Irish 2 0.4%
Technology access
Metric % of households
Computer access 45.8%
Internet access 88.8%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 73931
What city is ZIP code 73931 in?
ZIP code 73931 is primarily assigned to Balko, Oklahoma.
What county is ZIP code 73931 in?
ZIP code 73931 falls within Beaver County, Oklahoma.
Does ZIP code 73931 have an older population?
31% of residents in ZIP code 73931 are 65 or older, above the national average of ~17%.
How educated is the population of ZIP code 73931?
55% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
What is the typical home value in ZIP code 73931?
The median home value in ZIP code 73931 is $88,100.
What is the population of ZIP code 73931?
ZIP code 73931 has an estimated population of 509 residents, with a density of 2 people per square mile.
What timezone is ZIP code 73931 in?
ZIP code 73931 observes the CST timezone.
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