ZipCodesToGo
California ZIP Codes
Sonoma County
Eldridge, CA
95431
95431 ZIP Code — Eldridge, CA
Sonoma County, California
ZIP code 95431 is located in
Eldridge ,
California ,
within Sonoma County .
It covers approximately 0.12 square miles and serves a population of
76 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 707 .
95431 ZIP code map
View map of 95431
Cities in ZIP code 95431
Below are the cities the US Postal Service accepts for ZIP code 95431. Using any city not on this list may result in mail delivery delays.
Demographics
updated 06/2026
Population
Total population
76
Population density
633 / sq mi
State FIPS
06
County FIPS
097
Geography
Land area
0.12 sq mi
Water area
0.00 sq mi
Latitude
38.3486
Longitude
-122.5158
Timezone
Pacific (PT)
Area code
707
Demographics & statistics
$0
Median household income
11.1%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 4 5.3%
18 and over 72 94.7%
65 and over 12 15.8%
Median age 45.7 years
Race & ethnicity
Black or African American
14.8%
Group Count %
White 51 63%
Black or African American 12 14.8%
Asian 8 9.9%
Hispanic or Latino 5 6.2%
Other race 4 4.9%
Two or more races 1 1.2%
Household income
Housing
Home values
Housing overview
Metric Value
Median home value $0
Median rent / month $0
Owner occupied 0.0%
Renter occupied 0.0%
Vacant 0.0%
Single-family detached 0.0%
Large apartment buildings 0.0%
Mobile homes 0.0%
Median rooms 0.0
Avg household size (owned) 0.00
Year built
Era %
2020 or later 0.0%
2010–2019 0.0%
2000–2009 0.0%
1990–1999 0.0%
1980–1989 0.0%
1970–1979 0.0%
1960–1969 0.0%
1950–1959 0.0%
1940–1949 0.0%
1939 or earlier 0.0%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 0.0%
2 bedrooms 0.0%
3 bedrooms 0.0%
4 bedrooms 0.0%
5+ bedrooms 0.0%
Vehicles per household
Vehicles % of households
No vehicle 0.0%
1 vehicle 0.0%
2 vehicles 0.0%
3 or more 0.0%
Heating fuel
Households & families
Household type Count %
Married-couple family 0 0.0%
Cohabiting couple 0 0.0%
Male householder, no spouse 0 0.0%
Female householder, no spouse 0 0.0%
Households with children under 18 0 0.0%
Households with seniors (65+) 0 0.0%
Average household size 0.00
Marital status
Status Male Female
Never married 80.7% 100.0%
Married 0.0% 0.0%
Separated 0.0% 0.0%
Widowed 10.5% 0.0%
Divorced 8.8% 0.0%
Education
Some HS, no diploma
18.1%
Some college, no degree
23.6%
Graduate / professional
11.1%
Metric %
HS diploma or higher 73.6%
Bachelor's or higher 11.1%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 0 0.0%
Elementary school 0 0.0%
High school 4 100.0%
College / grad school 0 0.0%
Employment
Industry of employment
Occupation
Category %
Management, business & arts 0.0%
Service 0.0%
Sales & office 0.0%
Natural resources & construction 0.0%
Production & transportation 0.0%
Employment type
Type %
Private sector 0.0%
Government 0.0%
Self-employed 0.0%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 0.0%
Carpool 0.0%
Public transit 0.0%
Walk 0.0%
Work from home 0.0%
Other means 0.0%
Avg commute (minutes) 0.0
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households
Social Security 0.0%
Retirement income 0.0%
Supplemental Security 0.0%
Cash public assistance 0.0%
Food stamps / SNAP 0.0%
Health indicators
Condition %
Obesity 26.2%
High blood pressure 30.7%
High cholesterol 32.4%
Diabetes 9.4%
Heart disease 5.8%
Stroke 2.6%
Asthma 9.4%
Arthritis 24.7%
Kidney disease 2.7%
Pulmonary disease 5.7%
Cancer 7.0%
Behavior / access %
Smoking 10.8%
Binge drinking 18.8%
No physical activity 15.2%
Less than 7 hrs sleep 28.9%
Depression 16.4%
Fair or poor health 11.1%
Poor mental health 11.8%
Poor physical health 9.3%
No health insurance 5.9%
Visited doctor (checkup) 67.1%
Visited dentist 70.5%
Cholesterol screening 95.5%
Teeth loss 6.6%
Veterans & disability
Veterans Count %
Civilian veterans 6 8.3%
Disability %
Any disability 100.0%
Under 18 0.0%
18–64 years 100.0%
65 and over 0.0%
Health insurance coverage
Type %
Private insurance 0.0%
Public insurance 100.0%
No insurance 0.0%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 76 100.0%
Spanish 8 10.5%
Other Indo-European 4 5.3%
Asian & Pacific Islander 0 0.0%
Other languages 4 5.3%
Place of birth & citizenship
Origin Count %
Native born (US) 62 81.6%
Born in same state 62 81.6%
Born in different state 45 59.2%
Foreign born 0 0.0%
Naturalized citizen 14 18.4%
Not a US citizen 10 71.4%
Technology access
Metric % of households
Computer access 0.0%
Internet access 0.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 95431
What city is ZIP code 95431 in?
ZIP code 95431 is primarily assigned to Eldridge, California.
What county is ZIP code 95431 in?
ZIP code 95431 falls within Sonoma County, California.
What is the poverty rate in ZIP code 95431?
80% of residents in ZIP code 95431 live below the poverty line, above the national average.
How educated is the population of ZIP code 95431?
11% 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 population of ZIP code 95431?
ZIP code 95431 has an estimated population of 76 residents, with a density of 633 people per square mile.
What timezone is ZIP code 95431 in?
ZIP code 95431 observes the PST timezone.
Need the complete ZIP code database?
Download all 42,000+ US ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →