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Oklahoma ZIP Codes
Hughes County
Calvin, OK
74531
74531 ZIP Code — Calvin, OK
Hughes County, Oklahoma
ZIP code 74531 is located in
Calvin ,
Oklahoma ,
within Hughes County .
It covers approximately 102.93 square miles and serves a population of
951 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 580/405 .
About ZIP code 74531
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 $86,300. Owner-occupancy sits near the national average at 74%.
The gap between median ($42,344) and mean household income suggests income inequality — a small number of higher earners pull the average up. Poverty affects 23% of residents, above the national average. 43% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 30 minutes is near the national average. Remote work is prevalent — 21% of workers work from home.
College attainment at 18% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of diabetes (15%), smoking (24%) compared to national benchmarks. 19% of residents lack health insurance, above the national average.
Overall, ZIP code 74531 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a high rate of remote workers, and a significant Social Security-dependent population.
74531 ZIP code map
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Cities in ZIP code 74531
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
951
Population density
9 / sq mi
State FIPS
40
County FIPS
063
Geography
Land area
102.93 sq mi
Water area
1.07 sq mi
Latitude
34.8709
Longitude
-96.2497
Timezone
Central (CT)
Area code
580/405
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
56.4%
59.2%
46.5%
$50k – $100k
33.3%
27.6%
31.0%
$100k – $200k
7.9%
12.1%
18.1%
Over $200k
2.4%
1.1%
4.5%
Demographics & statistics
$42,344
Median household income
17.6%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 275 28.9%
18 and over 676 71.1%
65 and over 197 20.7%
Median age 40.3 years
Race & ethnicity
American Indian / Alaska Native
17.5%
Black or African American
1.7%
Group Count %
White 750 78.8%
American Indian / Alaska Native 167 17.5%
Two or more races 17 1.8%
Black or African American 16 1.7%
Hispanic or Latino 1 0.1%
Other race 1 0.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
56.4%
59.2%
46.5%
$50k – $100k
33.3%
27.6%
31.0%
$100k – $200k
7.9%
12.1%
18.1%
Over $200k
2.4%
1.1%
4.5%
Range % of households
Under $10k 7.1%
$10k–$15k 9.6%
$15k–$25k 9.3%
$25k–$35k 13.2%
$35k–$50k 19.0%
$50k–$75k 13.5%
$75k–$100k 16.4%
$100k–$150k 8.4%
$150k–$200k 1.6%
$200k+ 1.9%
Median income $42,344
Housing
Housing overview
Metric Value
Median home value $86,300
Median rent / month $642
Owner occupied 74.3%
Renter occupied 25.7%
Vacant 32.4%
Single-family detached 75.0%
Large apartment buildings 0.0%
Mobile homes 24.1%
Median rooms 5.2
Avg household size (owned) 2.74
Year built
Era %
2020 or later 0.0%
2010–2019 5.4%
2000–2009 12.0%
1990–1999 9.8%
1980–1989 13.7%
1970–1979 20.2%
1960–1969 8.3%
1950–1959 10.9%
1940–1949 11.5%
1939 or earlier 8.3%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 3.9%
2 bedrooms 35.9%
3 bedrooms 53.9%
4 bedrooms 4.6%
5+ bedrooms 1.7%
Vehicles per household
Vehicles % of households
No vehicle 1.6%
1 vehicle 61.4%
2 vehicles 19.6%
3 or more 17.4%
Heating fuel
Fuel type %
Utility gas 3.2%
Electricity 73.6%
Propane / LP gas 21.9%
Wood 1.3%
Households & families
Household type Count %
Married-couple family 170 54.7%
Cohabiting couple 4 1.3%
Male householder, no spouse 41 13.2%
Female householder, no spouse 96 30.9%
Households with children under 18 102 32.8%
Households with seniors (65+) 128 41.2%
Average household size 3.06
Marital status
Status Male Female
Never married 27.7% 16.9%
Married 54.9% 47.0%
Separated 3.9% 3.3%
Widowed 1.1% 18.2%
Divorced 12.3% 14.6%
Education
Some college, no degree
24.8%
Graduate / professional
6.3%
Metric %
HS diploma or higher 90.1%
Bachelor's or higher 17.6%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 13 5.9%
Kindergarten 17 7.7%
Elementary school 128 57.7%
High school 55 24.8%
College / grad school 9 4.1%
Employment
Industry of employment
Education & healthcare
24.9%
Public administration
16.1%
Agriculture & mining
15.8%
Transportation & utilities
7.7%
Arts, food & hospitality
7.0%
Professional & management
4.0%
Finance & real estate
2.2%
Occupation
Category %
Management, business & arts 27.5%
Service 15.8%
Sales & office 8.8%
Natural resources & construction 25.6%
Production & transportation 22.3%
Employment type
Type %
Private sector 61.2%
Government 34.4%
Self-employed 4.4%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 63.0%
Carpool 2.6%
Public transit 0.0%
Walk 11.4%
Work from home 20.5%
Other means 2.6%
Avg commute (minutes) 29.7
Poverty
Married-couple families
13.5%
Female-led households
26.0%
Income support
Source % of households
Social Security 43.1%
Retirement income 31.8%
Supplemental Security 5.1%
Cash public assistance 0.0%
Food stamps / SNAP 10.0%
Health indicators
Condition %
Obesity 40.2%
High blood pressure 45.3%
High cholesterol 40.4%
Diabetes 15.2%
Heart disease 10.0%
Stroke 4.8%
Asthma 11.3%
Arthritis 33.8%
Kidney disease 4.1%
Pulmonary disease 11.7%
Cancer 8.3%
Behavior / access %
Smoking 23.5%
Binge drinking 11.4%
No physical activity 32.7%
Less than 7 hrs sleep 34.3%
Depression 26.0%
Fair or poor health 22.2%
Poor mental health 16.7%
Poor physical health 15.7%
No health insurance 17.0%
Visited doctor (checkup) 77.9%
Visited dentist 57.1%
Cholesterol screening 90.0%
Teeth loss 20.2%
Veterans & disability
Veterans Count %
Civilian veterans 55 8.1%
Disability %
Any disability 17.9%
Under 18 8.7%
18–64 years 13.4%
65 and over 41.6%
Health insurance coverage
Type %
Private insurance 57.6%
Public insurance 42.1%
No insurance 19.1%
Uninsured under 19 11.1%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 880 92.5%
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) 934 98.2%
Born in same state 927 97.5%
Born in different state 668 70.2%
Foreign born 7 0.7%
Naturalized citizen 17 1.8%
Not a US citizen 5 29.4%
Ancestry
Ancestry Count %
Arab 469 49.3%
French 40 4.2%
Ancestry Count %
Italian 31 3.3%
Technology access
Metric % of households
Computer access 32.7%
Internet access 82.3%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 74531
What city is ZIP code 74531 in?
ZIP code 74531 is primarily assigned to Calvin, Oklahoma.
What county is ZIP code 74531 in?
ZIP code 74531 falls within Hughes County, Oklahoma.
What is the poverty rate in ZIP code 74531?
23% of residents in ZIP code 74531 live below the poverty line, above the national average.
Does ZIP code 74531 have a large retiree population?
43% of households in ZIP code 74531 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 74531?
The median home value in ZIP code 74531 is $86,300.
What are the health statistics for ZIP code 74531?
Health data for ZIP code 74531 shows elevated rates of diabetes (15%) and smoking (24%) compared to national benchmarks.
What timezone is ZIP code 74531 in?
ZIP code 74531 observes the CST timezone.
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