94551 ZIP Code — Livermore, CA
Alameda County, California
ZIP code 94551 is located in Livermore, California, within Alameda County. It covers approximately 82.74 square miles and serves a population of 40,025 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 925.
About ZIP code 94551
The housing stock consists of a mix of housing types. Most homes were built in the 1970s, giving the area an established character. Median home value is $898,400. Owner-occupancy sits near the national average at 70%.
The gap between median ($128,356) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 5% is below the national average.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 33 minutes is near the national average.
Educational attainment is near the national average, with 43% of residents holding a bachelor's degree or higher.
40,025
population
82.74
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
94551 ZIP code map
Cities in ZIP code 94551
Below are the cities the US Postal Service accepts for ZIP code 94551. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Livermore | Preferred |
Nearby ZIP codes
94514 Byron (7.7 mi)
94582 San Ramon (8 mi)
94506 Danville (8.6 mi)
94568 Dublin (8.7 mi)
94588 Pleasanton (9.1 mi)
95391 Tracy (9.1 mi)
94566 Pleasanton (9.4 mi)
94513 Brentwood (9.5 mi)
94517 Clayton (10.7 mi)
94505 Discovery Bay (12.4 mi)
94552 Castro Valley (12.8 mi)
94583 San Ramon (12.9 mi)
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 40,025 |
| Population density | 484 / sq mi |
| State FIPS | 06 |
| County FIPS | 001 |
| Geography | |
|---|---|
| Land area | 82.74 sq mi |
| Water area | 0.34 sq mi |
| Latitude | 37.7644 |
| Longitude | -121.7653 |
| Timezone | Pacific (PT) |
| Area code | 925 |
Total population by age
Gender
Race & ethnicity
Economics
updated 06/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 15.3% | 24.6% | 32.6% |
| $50k – $100k | 24.7% | 23.2% | 27.7% |
| $100k – $200k | 35.1% | 30.5% | 26.4% |
| Over $200k | 24.9% | 21.7% | 13.3% |
Demographics & statistics
40,025
Population
484
People per sq mi
38.3
Median age
$128,356
Median household income
$56,816
Per capita income
$898,400
Median home value
$2,463
Median monthly rent
70.3%
Home ownership
5.4%
Poverty rate
3.7%
Unemployment
10,213
Housing units
43.1%
Bachelor's or higher
Age distribution
Male
Female
1,567
Under 5
1,613
1,273
5–9
1,309
1,232
10–14
1,268
1,022
15–19
1,051
858
20–24
882
2,814
25–34
2,896
3,161
35–44
3,253
2,620
45–54
2,696
1,626
55–59
1,673
1,125
60–64
1,158
1,546
65–74
1,590
628
75–84
646
255
85+
263
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 9,346 | 23.4% |
| 18 and over | 30,679 | 76.6% |
| 65 and over | 4,928 | 12.3% |
| Median age | 38.3 years | |
Race & ethnicity
White
48.4%
Hispanic or Latino
14.7%
Asian
13.6%
Two or more races
12.4%
Other race
8.2%
Black or African American
1.5%
American Indian / Alaska Native
0.8%
Native Hawaiian / Pacific Islander
0.4%
| Group | Count | % |
|---|---|---|
| White | 22,690 | 48.4% |
| Hispanic or Latino | 6,871 | 14.7% |
| Asian | 6,372 | 13.6% |
| Two or more races | 5,817 | 12.4% |
| Other race | 3,863 | 8.2% |
| Black or African American | 700 | 1.5% |
| American Indian / Alaska Native | 384 | 0.8% |
| Native Hawaiian / Pacific Islander | 199 | 0.4% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 15.3% | 24.6% | 32.6% |
| $50k – $100k | 24.7% | 23.2% | 27.7% |
| $100k – $200k | 35.1% | 30.5% | 26.4% |
| Over $200k | 24.9% | 21.7% | 13.3% |
Under $10k
3.2%
$10k–$15k
1.6%
$15k–$25k
2.2%
$25k–$35k
3.6%
$35k–$50k
4.8%
$50k–$75k
11.8%
$75k–$100k
9.9%
$100k–$150k
20.5%
$150k–$200k
14.3%
$200k+
28.1%
| Range | % of households |
|---|---|
| Under $10k | 3.2% |
| $10k–$15k | 1.6% |
| $15k–$25k | 2.2% |
| $25k–$35k | 3.6% |
| $35k–$50k | 4.8% |
| $50k–$75k | 11.8% |
| $75k–$100k | 9.9% |
| $100k–$150k | 20.5% |
| $150k–$200k | 14.3% |
| $200k+ | 28.1% |
| Median income | $128,356 |
Housing
Home values
Under $50k
2.7%
$50k–$100k
0.4%
$100k–$150k
0.2%
$150k–$200k
0.8%
$200k–$300k
0.6%
$300k–$500k
3.2%
$500k–$1M
59.0%
$1M+
33.2%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $898,400 |
| Median rent / month | $2,463 |
| Owner occupied | 70.3% |
| Renter occupied | 29.7% |
| Vacant | 1.6% |
| Single-family detached | 65.6% |
| Large apartment buildings | 5.9% |
| Mobile homes | 1.5% |
| Median rooms | 5.5 |
| Avg household size (owned) | 2.85 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.7% |
| 2010–2019 | 8.9% |
| 2000–2009 | 8.0% |
| 1990–1999 | 18.2% |
| 1980–1989 | 14.9% |
| 1970–1979 | 18.4% |
| 1960–1969 | 16.6% |
| 1950–1959 | 10.5% |
| 1940–1949 | 2.1% |
| 1939 or earlier | 1.8% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.1% |
| 1 bedroom | 10.4% |
| 2 bedrooms | 16.0% |
| 3 bedrooms | 43.6% |
| 4 bedrooms | 22.8% |
| 5+ bedrooms | 6.1% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 5.0% |
| 1 vehicle | 22.9% |
| 2 vehicles | 41.1% |
| 3 or more | 30.9% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 65.7% |
| Electricity | 28.3% |
| Propane / LP gas | 3.2% |
| Wood | 0.5% |
| Solar | 1.2% |
| No fuel used | 0.6% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 8,108 | 57.1% |
| Cohabiting couple | 1,251 | 8.8% |
| Male householder, no spouse | 1,883 | 13.3% |
| Female householder, no spouse | 2,950 | 20.8% |
| Households with children under 18 | 5,047 | 35.6% |
| Households with seniors (65+) | 3,598 | 25.4% |
| Average household size | 2.81 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 31.6% | 26.6% |
| Married | 57.1% | 52.7% |
| Separated | 1.4% | 2.3% |
| Widowed | 1.6% | 6.6% |
| Divorced | 8.2% | 11.9% |
Education
Less than 9th grade
4.8%
Some HS, no diploma
3.6%
HS graduate
16.2%
Some college, no degree
23.4%
Associate's degree
8.8%
Bachelor's degree
28.2%
Graduate / professional
14.9%
| Metric | % |
|---|---|
| HS diploma or higher | 91.6% |
| Bachelor's or higher | 43.1% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 1,388 | 14.6% |
| Kindergarten | 364 | 3.8% |
| Elementary school | 3,944 | 41.5% |
| High school | 1,774 | 18.7% |
| College / grad school | 2,033 | 21.4% |
Employment
Industry of employment
Education & healthcare
19.6%
Professional & management
17.8%
Retail trade
10.8%
Arts, food & hospitality
9.9%
Manufacturing
8.1%
Construction
7.8%
Finance & real estate
7.2%
Other services
5.4%
Public administration
4.5%
Transportation & utilities
3.2%
Wholesale trade
2.9%
Information
2.3%
Agriculture & mining
0.6%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 49.4% |
| Service | 18.1% |
| Sales & office | 19.0% |
| Natural resources & construction | 7.2% |
| Production & transportation | 6.3% |
Employment type
| Type | % |
|---|---|
| Private sector | 74.4% |
| Government | 17.1% |
| Self-employed | 8.3% |
| Unpaid family workers | 0.1% |
Commute
| Method | % |
|---|---|
| Drive alone | 65.3% |
| Carpool | 11.5% |
| Public transit | 2.8% |
| Walk | 1.8% |
| Work from home | 16.7% |
| Other means | 1.9% |
| Avg commute (minutes) | 32.6 |
Poverty
All people
5.4%
Under 18 years
3.9%
18 and over
5.8%
Married-couple families
2.2%
Female-led households
7.8%
Income support
| Source | % of households |
|---|---|
| Social Security | 22.9% |
| Retirement income | 21.4% |
| Supplemental Security | 3.3% |
| Cash public assistance | 2.3% |
| Food stamps / SNAP | 5.2% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 26.5% |
| High blood pressure | 23.0% |
| High cholesterol | 26.9% |
| Diabetes | 7.2% |
| Heart disease | 3.9% |
| Stroke | 1.9% |
| Asthma | 9.3% |
| Arthritis | 16.7% |
| Kidney disease | 2.0% |
| Pulmonary disease | 4.3% |
| Cancer | 4.8% |
| Behavior / access | % |
|---|---|
| Smoking | 11.3% |
| Binge drinking | 19.9% |
| No physical activity | 15.4% |
| Less than 7 hrs sleep | 28.9% |
| Depression | 16.9% |
| Fair or poor health | 10.7% |
| Poor mental health | 14.3% |
| Poor physical health | 8.0% |
| No health insurance | 10.4% |
| Visited doctor (checkup) | 62.9% |
| Visited dentist | 66.0% |
| Cholesterol screening | 91.3% |
| Teeth loss | 8.1% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,512 | 4.9% |
| Disability | % |
|---|---|
| Any disability | 8.7% |
| Under 18 | 2.9% |
| 18–64 years | 6.6% |
| 65 and over | 30.6% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 78.6% |
| Public insurance | 25.8% |
| No insurance | 4.7% |
| Uninsured under 19 | 2.2% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 36,845 | 92.1% |
| Spanish | 4,608 | 12.5% |
| Other Indo-European | 2,977 | 8.1% |
| Asian & Pacific Islander | 495 | 1.3% |
| Other languages | 1,095 | 3.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 31,629 | 79.0% |
| Born in same state | 31,218 | 78.0% |
| Born in different state | 24,671 | 61.6% |
| Foreign born | 411 | 1.0% |
| Naturalized citizen | 8,396 | 21.0% |
| Not a US citizen | 3,578 | 42.6% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 3,744 | 9.4% |
| Italian | 3,536 | 8.8% |
| Arab | 1,350 | 3.4% |
| English | 464 | 1.2% |
| Polish | 448 | 1.1% |
| Ancestry | Count | % |
|---|---|---|
| Dutch | 287 | 0.7% |
| German | 192 | 0.5% |
| Irish | 50 | 0.1% |
| Norwegian | 43 | 0.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 35.5% |
| Internet access | 96.6% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 94551
What city is ZIP code 94551 in?
ZIP code 94551 is primarily assigned to Livermore, California.
What county is ZIP code 94551 in?
ZIP code 94551 falls within Alameda County, California.
What is the median household income in ZIP code 94551?
The median household income in ZIP code 94551 is $128,356, above the national median of ~$75,000.
What is the typical home value in ZIP code 94551?
The median home value in ZIP code 94551 is $898,400.
What is the population of ZIP code 94551?
ZIP code 94551 has an estimated population of 40,025 residents, with a density of 484 people per square mile.
What timezone is ZIP code 94551 in?
ZIP code 94551 observes the PST timezone.