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Oklahoma ZIP Codes
Grady County
Chickasha, OK
73018
73018 ZIP Code — Chickasha, OK
Grady County, Oklahoma
ZIP code 73018 is located in
Chickasha ,
Oklahoma ,
within Grady County .
It covers approximately 155.10 square miles and serves a population of
20,373 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 405 .
About ZIP code 73018
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 $122,600. Owner-occupancy sits near the national average at 59%.
Median household income is $56,720. 36% 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 21 minutes is near the national average.
College attainment at 19% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of smoking (22%) compared to national benchmarks.
Overall, ZIP code 73018 reflects a community defined by a trades-oriented workforce and a significant Social Security-dependent population.
73018 ZIP code map
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Cities in ZIP code 73018
Below are the cities the US Postal Service accepts for ZIP code 73018. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
20,373
Population density
131 / sq mi
State FIPS
40
County FIPS
051
Geography
Land area
155.10 sq mi
Water area
0.17 sq mi
Latitude
34.9649
Longitude
-97.9347
Timezone
Central (CT)
Area code
405
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
48.5%
41.2%
46.5%
$50k – $100k
30.5%
32.5%
31.0%
$100k – $200k
16.7%
21.3%
18.1%
Over $200k
4.3%
5.0%
4.5%
Demographics & statistics
$56,720
Median household income
$122,600
Median home value
19.1%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 4,382 21.5%
18 and over 15,991 78.5%
65 and over 3,388 16.6%
Median age 38.4 years
Race & ethnicity
Black or African American
5.1%
American Indian / Alaska Native
3.9%
Group Count %
White 15,749 73.8%
Two or more races 2,210 10.4%
Black or African American 1,096 5.1%
Hispanic or Latino 977 4.6%
American Indian / Alaska Native 822 3.9%
Other race 398 1.9%
Asian 98 0.5%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
48.5%
41.2%
46.5%
$50k – $100k
30.5%
32.5%
31.0%
$100k – $200k
16.7%
21.3%
18.1%
Over $200k
4.3%
5.0%
4.5%
Range % of households
Under $10k 5.8%
$10k–$15k 6.1%
$15k–$25k 8.5%
$25k–$35k 10.1%
$35k–$50k 12.8%
$50k–$75k 18.6%
$75k–$100k 15.5%
$100k–$150k 13.2%
$150k–$200k 4.1%
$200k+ 5.2%
Median income $56,720
Housing
Housing overview
Metric Value
Median home value $122,600
Median rent / month $849
Owner occupied 59.2%
Renter occupied 40.8%
Vacant 16.4%
Single-family detached 75.2%
Large apartment buildings 4.8%
Mobile homes 8.0%
Median rooms 5.4
Avg household size (owned) 2.34
Year built
Era %
2020 or later 0.3%
2010–2019 2.7%
2000–2009 7.8%
1990–1999 9.1%
1980–1989 14.1%
1970–1979 21.2%
1960–1969 7.6%
1950–1959 10.1%
1940–1949 12.6%
1939 or earlier 14.5%
Bedrooms
Size % of units
No bedroom (studio) 2.5%
1 bedroom 8.7%
2 bedrooms 26.9%
3 bedrooms 51.6%
4 bedrooms 9.4%
5+ bedrooms 0.8%
Vehicles per household
Vehicles % of households
No vehicle 7.3%
1 vehicle 34.7%
2 vehicles 39.6%
3 or more 18.5%
Heating fuel
Fuel type %
Utility gas 46.9%
Electricity 46.9%
Propane / LP gas 3.9%
Fuel oil 0.2%
Wood 0.6%
No fuel used 1.2%
Households & families
Household type Count %
Married-couple family 3,626 45.8%
Cohabiting couple 438 5.5%
Male householder, no spouse 1,378 17.4%
Female householder, no spouse 2,469 31.2%
Households with children under 18 2,363 29.9%
Households with seniors (65+) 2,525 31.9%
Average household size 2.48
Marital status
Status Male Female
Never married 35.3% 26.1%
Married 49.7% 42.5%
Separated 1.5% 3.5%
Widowed 3.2% 10.2%
Divorced 10.3% 17.8%
Education
Some college, no degree
18.8%
Graduate / professional
6.3%
Metric %
HS diploma or higher 88.9%
Bachelor's or higher 19.1%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 164 3.4%
Kindergarten 304 6.4%
Elementary school 2,199 46.1%
High school 1,073 22.5%
College / grad school 1,033 21.6%
Employment
Industry of employment
Education & healthcare
20.4%
Arts, food & hospitality
10.9%
Agriculture & mining
6.4%
Public administration
6.4%
Professional & management
6.2%
Transportation & utilities
6.0%
Finance & real estate
4.4%
Occupation
Category %
Management, business & arts 31.0%
Service 17.3%
Sales & office 18.7%
Natural resources & construction 10.8%
Production & transportation 22.3%
Employment type
Type %
Private sector 77.2%
Government 15.8%
Self-employed 6.5%
Unpaid family workers 0.5%
Commute
Method %
Drive alone 82.5%
Carpool 11.7%
Public transit 0.0%
Walk 1.3%
Work from home 3.5%
Other means 1.0%
Avg commute (minutes) 20.6
Poverty
Married-couple families
5.0%
Female-led households
29.1%
Income support
Source % of households
Social Security 35.5%
Retirement income 20.2%
Supplemental Security 7.4%
Cash public assistance 4.3%
Food stamps / SNAP 15.4%
Health indicators
Condition %
Obesity 38.3%
High blood pressure 40.0%
High cholesterol 36.3%
Diabetes 11.7%
Heart disease 7.5%
Stroke 3.7%
Asthma 10.9%
Arthritis 26.8%
Kidney disease 3.2%
Pulmonary disease 9.0%
Cancer 6.7%
Behavior / access %
Smoking 22.2%
Binge drinking 12.8%
No physical activity 31.5%
Less than 7 hrs sleep 34.1%
Depression 24.4%
Fair or poor health 18.8%
Poor mental health 17.2%
Poor physical health 13.0%
No health insurance 18.5%
Visited doctor (checkup) 75.0%
Visited dentist 55.5%
Cholesterol screening 86.7%
Teeth loss 19.5%
Veterans & disability
Veterans Count %
Civilian veterans 1,080 6.8%
Disability %
Any disability 19.2%
Under 18 4.2%
18–64 years 16.1%
65 and over 51.4%
Health insurance coverage
Type %
Private insurance 57.4%
Public insurance 39.5%
No insurance 14.8%
Uninsured under 19 5.6%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 19,417 95.3%
Spanish 197 1.0%
Other Indo-European 188 1.0%
Asian & Pacific Islander 9 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 19,846 97.4%
Born in same state 19,694 96.7%
Born in different state 15,263 74.9%
Foreign born 152 0.7%
Naturalized citizen 527 2.6%
Not a US citizen 261 49.5%
Ancestry
Ancestry Count %
Arab 2,260 11.1%
French 1,610 7.9%
Italian 1,552 7.6%
English 344 1.7%
Ancestry Count %
Polish 94 0.5%
German 16 0.1%
Irish 10 0%
Dutch 9 0%
Technology access
Metric % of households
Computer access 38.8%
Internet access 88.6%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 73018
What city is ZIP code 73018 in?
ZIP code 73018 is primarily assigned to Chickasha, Oklahoma.
What county is ZIP code 73018 in?
ZIP code 73018 falls within Grady County, Oklahoma.
What is the poverty rate in ZIP code 73018?
16% of residents in ZIP code 73018 live below the poverty line, above the national average.
Does ZIP code 73018 have a large retiree population?
36% of households in ZIP code 73018 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 73018?
The median home value in ZIP code 73018 is $122,600.
What is the population of ZIP code 73018?
ZIP code 73018 has an estimated population of 20,373 residents, with a density of 131 people per square mile.
What timezone is ZIP code 73018 in?
ZIP code 73018 observes the CST timezone.
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