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California ZIP Codes
Kern County
Keene, CA
93531
93531 ZIP Code — Keene, CA
Kern County, California
ZIP code 93531 is located in
Keene ,
California ,
within Kern County .
It covers approximately 19.49 square miles and serves a population of
425 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 661 .
About ZIP code 93531
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $319,400. Owner-occupancy is high at 93%, well above the national average.
Median household income is $105,481. 51% 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 34 minutes is near the national average.
Educational attainment is high — 58% of residents hold a bachelor's degree or higher, well above the national average of 33%.
Overall, ZIP code 93531 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.
93531 ZIP code map
View map of 93531
Cities in ZIP code 93531
Below are the cities the US Postal Service accepts for ZIP code 93531. Using any city not on this list may result in mail delivery delays.
City
Status
Keene
Preferred
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
425
Population density
22 / sq mi
State FIPS
06
County FIPS
029
Geography
Land area
19.49 sq mi
Water area
0.01 sq mi
Latitude
35.2465
Longitude
-118.6007
Timezone
Pacific (PT)
Area code
661
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
17.2%
45.9%
32.6%
$50k – $100k
39.6%
29.9%
27.7%
$100k – $200k
29.0%
19.5%
26.4%
Over $200k
14.2%
4.6%
13.3%
Demographics & statistics
$105,481
Median household income
$319,400
Median home value
58.2%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 43 10.1%
18 and over 382 89.9%
65 and over 146 34.4%
Median age 57.5 years
Race & ethnicity
Group Count %
White 396 93.2%
Asian 29 6.8%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
17.2%
45.9%
32.6%
$50k – $100k
39.6%
29.9%
27.7%
$100k – $200k
29.0%
19.5%
26.4%
Over $200k
14.2%
4.6%
13.3%
Range % of households
$35k–$50k 7.1%
$50k–$75k 35.2%
$100k–$150k 24.2%
$150k–$200k 6.0%
$200k+ 27.5%
Median income $105,481
Housing
Housing overview
Metric Value
Median home value $319,400
Median rent / month $0
Owner occupied 92.9%
Renter occupied 7.1%
Vacant 38.1%
Single-family detached 93.9%
Large apartment buildings 0.0%
Mobile homes 6.1%
Median rooms 5.4
Avg household size (owned) 2.20
Year built
Era %
2020 or later 0.0%
2010–2019 0.0%
2000–2009 27.6%
1990–1999 11.9%
1980–1989 36.4%
1970–1979 12.6%
1960–1969 0.0%
1950–1959 3.1%
1940–1949 0.0%
1939 or earlier 8.5%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 8.5%
2 bedrooms 11.9%
3 bedrooms 77.6%
4 bedrooms 2.0%
5+ bedrooms 0.0%
Vehicles per household
Vehicles % of households
No vehicle 0.0%
1 vehicle 11.0%
2 vehicles 68.1%
3 or more 20.9%
Heating fuel
Fuel type %
Utility gas 26.4%
Electricity 33.5%
Propane / LP gas 40.1%
Households & families
Household type Count %
Married-couple family 136 74.7%
Cohabiting couple 0 0.0%
Male householder, no spouse 28 15.4%
Female householder, no spouse 18 9.9%
Households with children under 18 39 21.4%
Households with seniors (65+) 116 63.7%
Average household size 2.34
Marital status
Status Male Female
Never married 10.5% 22.5%
Married 70.8% 67.9%
Separated 8.1% 0.0%
Widowed 0.0% 9.6%
Divorced 10.5% 0.0%
Education
Some college, no degree
15.9%
Graduate / professional
45.9%
Metric %
HS diploma or higher 92.6%
Bachelor's or higher 58.2%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 0 0.0%
Elementary school 29 38.2%
High school 14 18.4%
College / grad school 33 43.4%
Employment
Industry of employment
Education & healthcare
26.1%
Public administration
18.6%
Agriculture & mining
16.1%
Transportation & utilities
12.6%
Arts, food & hospitality
6.0%
Occupation
Category %
Management, business & arts 44.7%
Service 6.0%
Sales & office 21.6%
Natural resources & construction 15.1%
Production & transportation 12.6%
Employment type
Type %
Private sector 64.3%
Government 35.7%
Self-employed 0.0%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 77.4%
Carpool 22.6%
Public transit 0.0%
Walk 0.0%
Work from home 0.0%
Other means 0.0%
Avg commute (minutes) 33.8
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households
Social Security 51.1%
Retirement income 50.5%
Supplemental Security 0.0%
Cash public assistance 0.0%
Food stamps / SNAP 0.0%
Health indicators
Condition %
Obesity 30.6%
High blood pressure 32.5%
High cholesterol 38.6%
Diabetes 10.7%
Heart disease 7.0%
Stroke 3.2%
Asthma 10.0%
Arthritis 26.7%
Kidney disease 3.2%
Pulmonary disease 7.7%
Cancer 8.0%
Behavior / access %
Smoking 12.2%
Binge drinking 16.0%
No physical activity 18.7%
Less than 7 hrs sleep 30.9%
Depression 19.0%
Fair or poor health 14.2%
Poor mental health 13.9%
Poor physical health 11.3%
No health insurance 7.9%
Visited doctor (checkup) 72.8%
Visited dentist 70.5%
Cholesterol screening 94.6%
Teeth loss 9.9%
Veterans & disability
Veterans Count %
Civilian veterans 32 8.4%
Disability %
Any disability 20.2%
Under 18 0.0%
18–64 years 14.8%
65 and over 34.9%
Health insurance coverage
Type %
Private insurance 89.6%
Public insurance 42.4%
No insurance 0.0%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 425 100.0%
Spanish 54 12.7%
Other Indo-European 54 12.7%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 345 81.2%
Born in same state 345 81.2%
Born in different state 257 60.5%
Foreign born 0 0.0%
Naturalized citizen 80 18.8%
Not a US citizen 80 100.0%
Ancestry
Ancestry Count %
Arab 74 17.4%
French 68 16%
Italian 37 8.7%
Ancestry Count %
Irish 18 4.2%
Polish 10 2.4%
Technology access
Metric % of households
Computer access 42.8%
Internet access 100.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 93531
What city is ZIP code 93531 in?
ZIP code 93531 is primarily assigned to Keene, California.
What county is ZIP code 93531 in?
ZIP code 93531 falls within Kern County, California.
Does ZIP code 93531 have an older population?
34% of residents in ZIP code 93531 are 65 or older, above the national average of ~17%.
Is ZIP code 93531 mostly owner-occupied?
93% of occupied units in ZIP code 93531 are owner-occupied, well above the national average.
Does ZIP code 93531 have a large retiree population?
51% of households in ZIP code 93531 receive Social Security income, suggesting a significant retiree or disability population.
How educated is the population of ZIP code 93531?
58% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
What timezone is ZIP code 93531 in?
ZIP code 93531 observes the PST timezone.
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