95603 ZIP Code — Auburn, CA
Placer County, California
ZIP code 95603 is located in Auburn, California, within Placer County. It covers approximately 35.76 square miles and serves a population of 28,366 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 530.
About ZIP code 95603
The housing stock consists of a mix of housing types. Most homes were built in the 1980s, giving the area an established character. Median home value is $585,300. Owner-occupancy sits near the national average at 66%.
The gap between median ($78,933) and mean household income suggests income inequality — a small number of higher earners pull the average up. 41% 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 22 minutes is near the national average.
Educational attainment is near the national average, with 33% of residents holding a bachelor's degree or higher.
28,366
population
35.76
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
95603 ZIP code map
Cities in ZIP code 95603
Below are the cities the US Postal Service accepts for ZIP code 95603. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Auburn | Acceptable |
| Auburn | Preferred |
Nearby ZIP codes
95602 Auburn (5.2 mi)
95658 Newcastle (5.2 mi)
95614 Cool (5.3 mi)
95722 Meadow Vista (6 mi)
95703 Applegate (6.5 mi)
95663 Penryn (7.3 mi)
95650 Loomis (8.8 mi)
95664 Pilot Hill (8.9 mi)
95635 Greenwood (9.2 mi)
95651 Lotus (10 mi)
95677 Rocklin (12.2 mi)
95746 Granite Bay (12.6 mi)
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 28,366 |
| Population density | 793 / sq mi |
| State FIPS | 06 |
| County FIPS | 061 |
| Geography | |
|---|---|
| Land area | 35.76 sq mi |
| Water area | 0.66 sq mi |
| Latitude | 38.9200 |
| Longitude | -121.0748 |
| Timezone | Pacific (PT) |
| Area code | 530 |
Total population by age
Gender
Race & ethnicity
Economics
updated 06/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 36.2% | 26.2% | 32.6% |
| $50k – $100k | 28.8% | 27.2% | 27.7% |
| $100k – $200k | 24.6% | 31.3% | 26.4% |
| Over $200k | 10.4% | 15.3% | 13.3% |
Demographics & statistics
28,366
Population
793
People per sq mi
48.4
Median age
$78,933
Median household income
$48,796
Per capita income
$585,300
Median home value
$1,391
Median monthly rent
65.8%
Home ownership
12.6%
Poverty rate
3.1%
Unemployment
8,690
Housing units
33.0%
Bachelor's or higher
Age distribution
Male
Female
525
Under 5
576
768
5–9
843
652
10–14
717
664
15–19
729
628
20–24
690
1,368
25–34
1,504
1,545
35–44
1,697
1,641
45–54
1,804
963
55–59
1,059
1,348
60–64
1,482
1,968
65–74
2,162
1,083
75–84
1,191
362
85+
397
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 4,935 | 17.4% |
| 18 and over | 23,431 | 82.6% |
| 65 and over | 7,163 | 25.3% |
| Median age | 48.4 years | |
Race & ethnicity
White
77.4%
Two or more races
9.2%
Hispanic or Latino
7.9%
Other race
2.1%
Asian
1.7%
Black or African American
0.7%
American Indian / Alaska Native
0.6%
Native Hawaiian / Pacific Islander
0.3%
| Group | Count | % |
|---|---|---|
| White | 23,834 | 77.4% |
| Two or more races | 2,828 | 9.2% |
| Hispanic or Latino | 2,433 | 7.9% |
| Other race | 648 | 2.1% |
| Asian | 537 | 1.7% |
| Black or African American | 218 | 0.7% |
| American Indian / Alaska Native | 198 | 0.6% |
| Native Hawaiian / Pacific Islander | 103 | 0.3% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 36.2% | 26.2% | 32.6% |
| $50k – $100k | 28.8% | 27.2% | 27.7% |
| $100k – $200k | 24.6% | 31.3% | 26.4% |
| Over $200k | 10.4% | 15.3% | 13.3% |
Under $10k
4.6%
$10k–$15k
4.9%
$15k–$25k
6.7%
$25k–$35k
8.7%
$35k–$50k
10.4%
$50k–$75k
12.9%
$75k–$100k
10.9%
$100k–$150k
17.3%
$150k–$200k
9.7%
$200k+
13.9%
| Range | % of households |
|---|---|
| Under $10k | 4.6% |
| $10k–$15k | 4.9% |
| $15k–$25k | 6.7% |
| $25k–$35k | 8.7% |
| $35k–$50k | 10.4% |
| $50k–$75k | 12.9% |
| $75k–$100k | 10.9% |
| $100k–$150k | 17.3% |
| $150k–$200k | 9.7% |
| $200k+ | 13.9% |
| Median income | $78,933 |
Housing
Home values
Under $50k
2.5%
$50k–$100k
3.8%
$100k–$150k
1.9%
$150k–$200k
1.6%
$200k–$300k
3.8%
$300k–$500k
23.9%
$500k–$1M
55.3%
$1M+
7.2%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $585,300 |
| Median rent / month | $1,391 |
| Owner occupied | 65.8% |
| Renter occupied | 34.2% |
| Vacant | 6.0% |
| Single-family detached | 69.7% |
| Large apartment buildings | 5.3% |
| Mobile homes | 6.3% |
| Median rooms | 5.6 |
| Avg household size (owned) | 2.32 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 3.0% |
| 2000–2009 | 13.2% |
| 1990–1999 | 11.5% |
| 1980–1989 | 19.8% |
| 1970–1979 | 18.6% |
| 1960–1969 | 8.3% |
| 1950–1959 | 10.4% |
| 1940–1949 | 6.8% |
| 1939 or earlier | 8.3% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 2.5% |
| 1 bedroom | 10.9% |
| 2 bedrooms | 25.0% |
| 3 bedrooms | 42.8% |
| 4 bedrooms | 15.4% |
| 5+ bedrooms | 3.5% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 5.1% |
| 1 vehicle | 34.3% |
| 2 vehicles | 37.0% |
| 3 or more | 23.6% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 62.9% |
| Electricity | 24.6% |
| Propane / LP gas | 6.1% |
| Fuel oil | 0.5% |
| Wood | 4.6% |
| Solar | 0.5% |
| No fuel used | 0.5% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 5,528 | 45.9% |
| Cohabiting couple | 779 | 6.5% |
| Male householder, no spouse | 2,102 | 17.5% |
| Female householder, no spouse | 3,622 | 30.1% |
| Households with children under 18 | 2,675 | 22.2% |
| Households with seniors (65+) | 5,044 | 41.9% |
| Average household size | 2.25 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 31.4% | 22.6% |
| Married | 52.2% | 45.8% |
| Separated | 2.4% | 2.9% |
| Widowed | 2.2% | 10.7% |
| Divorced | 11.9% | 18.0% |
Education
Less than 9th grade
3.4%
Some HS, no diploma
4.1%
HS graduate
21.4%
Some college, no degree
26.4%
Associate's degree
11.8%
Bachelor's degree
19.9%
Graduate / professional
13.1%
| Metric | % |
|---|---|
| HS diploma or higher | 92.5% |
| Bachelor's or higher | 33.0% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 263 | 5.2% |
| Kindergarten | 328 | 6.5% |
| Elementary school | 2,266 | 44.6% |
| High school | 1,227 | 24.1% |
| College / grad school | 1,001 | 19.7% |
Employment
Industry of employment
Education & healthcare
22.5%
Professional & management
13.5%
Construction
12.6%
Arts, food & hospitality
10.1%
Retail trade
10.0%
Other services
6.7%
Manufacturing
6.3%
Finance & real estate
5.9%
Public administration
5.9%
Transportation & utilities
3.2%
Information
1.9%
Wholesale trade
1.0%
Agriculture & mining
0.4%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 42.2% |
| Service | 21.0% |
| Sales & office | 21.0% |
| Natural resources & construction | 6.9% |
| Production & transportation | 8.9% |
Employment type
| Type | % |
|---|---|
| Private sector | 73.5% |
| Government | 15.9% |
| Self-employed | 10.0% |
| Unpaid family workers | 0.6% |
Commute
| Method | % |
|---|---|
| Drive alone | 73.4% |
| Carpool | 6.1% |
| Public transit | 0.6% |
| Walk | 3.0% |
| Work from home | 15.6% |
| Other means | 1.4% |
| Avg commute (minutes) | 22.2 |
Poverty
All people
12.6%
Under 18 years
13.8%
18 and over
12.3%
Married-couple families
5.0%
Female-led households
17.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 40.9% |
| Retirement income | 31.6% |
| Supplemental Security | 4.7% |
| Cash public assistance | 2.7% |
| Food stamps / SNAP | 6.3% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 29.8% |
| High blood pressure | 30.9% |
| High cholesterol | 34.8% |
| Diabetes | 9.9% |
| Heart disease | 7.0% |
| Stroke | 3.3% |
| Asthma | 10.1% |
| Arthritis | 27.1% |
| Kidney disease | 3.2% |
| Pulmonary disease | 7.5% |
| Cancer | 8.0% |
| Behavior / access | % |
|---|---|
| Smoking | 12.3% |
| Binge drinking | 18.2% |
| No physical activity | 17.6% |
| Less than 7 hrs sleep | 31.3% |
| Depression | 18.6% |
| Fair or poor health | 14.0% |
| Poor mental health | 14.3% |
| Poor physical health | 11.0% |
| No health insurance | 8.6% |
| Visited doctor (checkup) | 69.5% |
| Visited dentist | 69.5% |
| Cholesterol screening | 92.0% |
| Teeth loss | 10.7% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,811 | 7.7% |
| Disability | % |
|---|---|
| Any disability | 13.2% |
| Under 18 | 1.3% |
| 18–64 years | 10.3% |
| 65 and over | 28.3% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 66.4% |
| Public insurance | 46.0% |
| No insurance | 5.6% |
| Uninsured under 19 | 6.4% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 27,265 | 96.1% |
| Spanish | 1,240 | 4.5% |
| Other Indo-European | 1,008 | 3.7% |
| Asian & Pacific Islander | 130 | 0.5% |
| Other languages | 95 | 0.3% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 26,007 | 91.7% |
| Born in same state | 25,715 | 90.7% |
| Born in different state | 19,575 | 69.0% |
| Foreign born | 292 | 1.0% |
| Naturalized citizen | 2,359 | 8.3% |
| Not a US citizen | 894 | 37.9% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 3,935 | 13.9% |
| French | 3,725 | 13.1% |
| Arab | 1,053 | 3.7% |
| English | 500 | 1.8% |
| Polish | 487 | 1.7% |
| Ancestry | Count | % |
|---|---|---|
| Dutch | 364 | 1.3% |
| German | 149 | 0.5% |
| Irish | 80 | 0.3% |
| Norwegian | 50 | 0.2% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 42.4% |
| Internet access | 95.1% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 95603
What city is ZIP code 95603 in?
ZIP code 95603 is primarily assigned to Auburn, California.
What county is ZIP code 95603 in?
ZIP code 95603 falls within Placer County, California.
Does ZIP code 95603 have an older population?
25% of residents in ZIP code 95603 are 65 or older, above the national average of ~17%.
Does ZIP code 95603 have a large retiree population?
41% of households in ZIP code 95603 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 95603?
The median home value in ZIP code 95603 is $585,300.
What is the population of ZIP code 95603?
ZIP code 95603 has an estimated population of 28,366 residents, with a density of 793 people per square mile.
What timezone is ZIP code 95603 in?
ZIP code 95603 observes the PST timezone.