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Oklahoma ZIP Codes
Osage County
Fairfax, OK
74637
74637 ZIP Code — Fairfax, OK
Osage County, Oklahoma
ZIP code 74637 is located in
Fairfax ,
Oklahoma ,
within Osage County .
It covers approximately 182.63 square miles and serves a population of
1,592 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 539/918 .
About ZIP code 74637
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $56,200. Owner-occupancy is high at 85%, well above the national average.
Median household income is $46,528. Poverty affects 18% of residents, above the national average. 49% 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 24 minutes is near the national average.
College attainment at 16% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of diabetes (15%), smoking (23%) compared to national benchmarks.
Notable community characteristics include disability rates above the national average at 23%.
Overall, ZIP code 74637 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, high homeownership, and a significant Social Security-dependent population.
74637 ZIP code map
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Cities in ZIP code 74637
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
1,592
Population density
9 / sq mi
State FIPS
40
County FIPS
113
Geography
Land area
182.63 sq mi
Water area
1.12 sq mi
Latitude
36.5271
Longitude
-96.6628
Timezone
Central (CT)
Area code
539/918
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
59.3%
56.1%
46.5%
$50k – $100k
26.5%
32.4%
31.0%
$100k – $200k
10.4%
9.0%
18.1%
Over $200k
3.8%
2.5%
4.5%
Demographics & statistics
$46,528
Median household income
16.0%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 317 19.9%
18 and over 1,275 80.1%
65 and over 384 24.1%
Median age 48.3 years
Race & ethnicity
American Indian / Alaska Native
19.7%
Black or African American
3.2%
Group Count %
White 975 59.3%
American Indian / Alaska Native 324 19.7%
Two or more races 226 13.7%
Black or African American 53 3.2%
Hispanic or Latino 52 3.2%
Other race 10 0.6%
Asian 4 0.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
59.3%
56.1%
46.5%
$50k – $100k
26.5%
32.4%
31.0%
$100k – $200k
10.4%
9.0%
18.1%
Over $200k
3.8%
2.5%
4.5%
Range % of households
Under $10k 7.9%
$10k–$15k 5.2%
$15k–$25k 17.9%
$25k–$35k 7.4%
$35k–$50k 13.7%
$50k–$75k 20.1%
$75k–$100k 6.3%
$100k–$150k 12.4%
$150k–$200k 3.8%
$200k+ 5.3%
Median income $46,528
Housing
Housing overview
Metric Value
Median home value $56,200
Median rent / month $569
Owner occupied 84.9%
Renter occupied 15.1%
Vacant 25.7%
Single-family detached 90.7%
Large apartment buildings 0.4%
Mobile homes 4.9%
Median rooms 5.8
Avg household size (owned) 2.44
Year built
Era %
2020 or later 0.0%
2010–2019 0.9%
2000–2009 5.3%
1990–1999 2.0%
1980–1989 7.5%
1970–1979 14.4%
1960–1969 13.6%
1950–1959 11.6%
1940–1949 8.8%
1939 or earlier 36.1%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 3.6%
2 bedrooms 29.2%
3 bedrooms 57.2%
4 bedrooms 9.1%
5+ bedrooms 0.8%
Vehicles per household
Vehicles % of households
No vehicle 6.0%
1 vehicle 32.5%
2 vehicles 29.9%
3 or more 31.6%
Heating fuel
Fuel type %
Utility gas 53.0%
Electricity 22.3%
Propane / LP gas 18.1%
Fuel oil 0.6%
Wood 5.2%
No fuel used 0.5%
Households & families
Household type Count %
Married-couple family 291 45.8%
Cohabiting couple 29 4.6%
Male householder, no spouse 115 18.1%
Female householder, no spouse 201 31.6%
Households with children under 18 171 26.9%
Households with seniors (65+) 276 43.4%
Average household size 2.45
Marital status
Status Male Female
Never married 28.6% 17.9%
Married 56.2% 42.5%
Separated 2.7% 3.2%
Widowed 4.0% 17.4%
Divorced 8.5% 19.1%
Education
Some HS, no diploma
11.9%
Some college, no degree
23.8%
Graduate / professional
4.3%
Metric %
HS diploma or higher 84.4%
Bachelor's or higher 16.0%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 20 6.8%
Kindergarten 0 0.0%
Elementary school 180 61.6%
High school 52 17.8%
College / grad school 40 13.7%
Employment
Industry of employment
Education & healthcare
30.7%
Transportation & utilities
9.5%
Agriculture & mining
7.5%
Arts, food & hospitality
6.7%
Public administration
5.1%
Professional & management
4.1%
Finance & real estate
2.1%
Occupation
Category %
Management, business & arts 32.7%
Service 16.7%
Sales & office 17.2%
Natural resources & construction 13.2%
Production & transportation 20.3%
Employment type
Type %
Private sector 75.5%
Government 17.8%
Self-employed 6.7%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 84.3%
Carpool 5.7%
Public transit 0.0%
Walk 1.8%
Work from home 3.8%
Other means 4.3%
Avg commute (minutes) 23.6
Poverty
Married-couple families
7.6%
Female-led households
22.4%
Income support
Source % of households
Social Security 49.2%
Retirement income 25.8%
Supplemental Security 7.1%
Cash public assistance 2.5%
Food stamps / SNAP 15.9%
Health indicators
Condition %
Obesity 41.5%
High blood pressure 44.8%
High cholesterol 39.0%
Diabetes 15.2%
Heart disease 9.7%
Stroke 4.7%
Asthma 11.5%
Arthritis 32.6%
Kidney disease 4.0%
Pulmonary disease 10.7%
Cancer 8.2%
Behavior / access %
Smoking 23.2%
Binge drinking 12.0%
No physical activity 32.7%
Less than 7 hrs sleep 35.3%
Depression 25.3%
Fair or poor health 21.7%
Poor mental health 17.1%
Poor physical health 15.1%
No health insurance 16.6%
Visited doctor (checkup) 77.9%
Visited dentist 54.1%
Cholesterol screening 89.6%
Teeth loss 20.2%
Veterans & disability
Veterans Count %
Civilian veterans 105 8.2%
Disability %
Any disability 23.2%
Under 18 12.3%
18–64 years 18.1%
65 and over 44.9%
Health insurance coverage
Type %
Private insurance 51.7%
Public insurance 51.3%
No insurance 14.1%
Uninsured under 19 5.4%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 1,513 95.0%
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) 1,572 98.7%
Born in same state 1,569 98.6%
Born in different state 1,173 73.7%
Foreign born 3 0.2%
Naturalized citizen 20 1.3%
Not a US citizen 6 30.0%
Ancestry
Ancestry Count %
Italian 174 10.9%
French 129 8.1%
Arab 42 2.6%
Ancestry Count %
English 38 2.4%
Polish 8 0.5%
Technology access
Metric % of households
Computer access 39.9%
Internet access 84.3%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 74637
What city is ZIP code 74637 in?
ZIP code 74637 is primarily assigned to Fairfax, Oklahoma.
What county is ZIP code 74637 in?
ZIP code 74637 falls within Osage County, Oklahoma.
Does ZIP code 74637 have a large retiree population?
49% of households in ZIP code 74637 receive Social Security income, suggesting a significant retiree or disability population.
Is ZIP code 74637 mostly owner-occupied?
85% of occupied units in ZIP code 74637 are owner-occupied, well above the national average.
What is the poverty rate in ZIP code 74637?
18% of residents in ZIP code 74637 live below the poverty line, above the national average.
What is the typical home value in ZIP code 74637?
The median home value in ZIP code 74637 is $56,200.
What timezone is ZIP code 74637 in?
ZIP code 74637 observes the CST timezone.
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