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California ZIP Codes
San Joaquin County
Farmington, CA
95230
95230 ZIP Code — Farmington, CA
San Joaquin County, California
ZIP code 95230 is located in
Farmington ,
California ,
within San Joaquin County .
It covers approximately 136.88 square miles and serves a population of
513 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 209 .
About ZIP code 95230
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 $668,200. Owner-occupancy sits near the national average at 66%.
Median household income is $130,048.
The dominant occupation class is management, business, and professional, with agriculture and mining as the leading industry. The average commute of 22 minutes is near the national average.
College attainment at 7% is below the national average, consistent with a trades and production-oriented local economy.
95230 ZIP code map
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Cities in ZIP code 95230
Below are the cities the US Postal Service accepts for ZIP code 95230. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
513
Population density
4 / sq mi
State FIPS
06
County FIPS
077
Geography
Land area
136.88 sq mi
Water area
1.68 sq mi
Latitude
37.9656
Longitude
-120.8435
Timezone
Pacific (PT)
Area code
209
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
31.6%
36.1%
32.6%
$50k – $100k
26.8%
30.8%
27.7%
$100k – $200k
33.3%
25.4%
26.4%
Over $200k
8.2%
7.7%
13.3%
Demographics & statistics
$130,048
Median household income
$668,200
Median home value
$2,122
Median monthly rent
Age distribution
Age summary
Group Count %
Under 18 128 25.0%
18 and over 385 75.0%
65 and over 90 17.5%
Median age 38.1 years
Race & ethnicity
Group Count %
White 316 44.5%
Hispanic or Latino 197 27.7%
Other race 176 24.8%
Two or more races 21 3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
31.6%
36.1%
32.6%
$50k – $100k
26.8%
30.8%
27.7%
$100k – $200k
33.3%
25.4%
26.4%
Over $200k
8.2%
7.7%
13.3%
Range % of households
$15k–$25k 12.4%
$35k–$50k 10.9%
$75k–$100k 11.9%
$100k–$150k 47.5%
$200k+ 17.3%
Median income $130,048
Housing
Housing overview
Metric Value
Median home value $668,200
Median rent / month $2,122
Owner occupied 66.3%
Renter occupied 33.7%
Vacant 20.2%
Single-family detached 77.1%
Large apartment buildings 17.8%
Mobile homes 4.0%
Median rooms 5.9
Avg household size (owned) 2.09
Year built
Era %
2020 or later 0.0%
2010–2019 16.6%
2000–2009 7.1%
1990–1999 11.5%
1980–1989 2.0%
1970–1979 19.0%
1960–1969 7.1%
1950–1959 11.1%
1940–1949 2.8%
1939 or earlier 22.9%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 0.0%
2 bedrooms 32.0%
3 bedrooms 45.1%
4 bedrooms 17.8%
5+ bedrooms 5.1%
Vehicles per household
Vehicles % of households
No vehicle 5.9%
1 vehicle 24.3%
2 vehicles 44.1%
3 or more 25.7%
Heating fuel
Fuel type %
Utility gas 28.7%
Electricity 23.3%
Propane / LP gas 26.7%
Fuel oil 1.5%
Wood 5.9%
Solar 12.9%
Households & families
Household type Count %
Married-couple family 129 63.9%
Cohabiting couple 5 2.5%
Male householder, no spouse 56 27.7%
Female householder, no spouse 12 5.9%
Households with children under 18 83 41.1%
Households with seniors (65+) 67 33.2%
Average household size 2.47
Marital status
Status Male Female
Never married 26.7% 7.1%
Married 57.0% 81.9%
Separated 0.0% 0.0%
Widowed 4.3% 7.7%
Divorced 12.0% 3.2%
Education
Some college, no degree
31.3%
Graduate / professional
1.6%
Metric %
HS diploma or higher 90.6%
Bachelor's or higher 7.0%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 0 0.0%
Elementary school 100 70.4%
High school 42 29.6%
College / grad school 0 0.0%
Employment
Industry of employment
Agriculture & mining
22.2%
Transportation & utilities
20.8%
Education & healthcare
20.8%
Professional & management
7.7%
Public administration
3.9%
Occupation
Category %
Management, business & arts 38.7%
Service 26.4%
Sales & office 6.3%
Natural resources & construction 8.8%
Production & transportation 19.7%
Employment type
Type %
Private sector 68.0%
Government 7.0%
Self-employed 25.0%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 64.5%
Carpool 4.8%
Public transit 19.3%
Walk 0.0%
Work from home 11.4%
Other means 0.0%
Avg commute (minutes) 22.2
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households
Social Security 26.7%
Retirement income 19.3%
Supplemental Security 6.4%
Cash public assistance 1.0%
Food stamps / SNAP 0.0%
Health indicators
Condition %
Obesity 30.2%
High blood pressure 30.8%
High cholesterol 32.1%
Diabetes 10.2%
Heart disease 6.6%
Stroke 3.1%
Asthma 9.9%
Arthritis 23.8%
Kidney disease 3.0%
Pulmonary disease 7.0%
Cancer 6.6%
Behavior / access %
Smoking 13.6%
Binge drinking 19.6%
No physical activity 21.2%
Less than 7 hrs sleep 31.3%
Depression 17.8%
Fair or poor health 15.7%
Poor mental health 14.9%
Poor physical health 11.2%
No health insurance 13.5%
Visited doctor (checkup) 68.0%
Visited dentist 65.6%
Cholesterol screening 90.9%
Teeth loss 13.1%
Veterans & disability
Veterans Count %
Civilian veterans 20 5.2%
Disability %
Any disability 11.9%
Under 18 0.0%
18–64 years 7.1%
65 and over 44.4%
Health insurance coverage
Type %
Private insurance 83.4%
Public insurance 25.9%
No insurance 1.4%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 513 100.0%
Spanish 21 4.1%
Other Indo-European 21 4.1%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 472 92.0%
Born in same state 472 92.0%
Born in different state 420 81.9%
Foreign born 0 0.0%
Naturalized citizen 41 8.0%
Not a US citizen 20 48.8%
Ancestry
Ancestry Count %
French 54 10.5%
English 31 6%
Italian 21 4.1%
Ancestry Count %
Norwegian 6 1.2%
Arab 2 0.4%
Technology access
Metric % of households
Computer access 39.4%
Internet access 98.5%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 95230
What city is ZIP code 95230 in?
ZIP code 95230 is primarily assigned to Farmington, California.
What county is ZIP code 95230 in?
ZIP code 95230 falls within San Joaquin County, California.
How educated is the population of ZIP code 95230?
7% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
What is the median household income in ZIP code 95230?
The median household income in ZIP code 95230 is $130,048, above the national median of ~$75,000.
What is the typical home value in ZIP code 95230?
The median home value in ZIP code 95230 is $668,200.
What is the population of ZIP code 95230?
ZIP code 95230 has an estimated population of 513 residents, with a density of 4 people per square mile.
What timezone is ZIP code 95230 in?
ZIP code 95230 observes the PST timezone.
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