92831 ZIP Code — Fullerton, CA
Orange County, California
ZIP code 92831 is located in Fullerton, California, within Orange County. It covers approximately 5.95 square miles and serves a population of 36,470 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 714/657.
About ZIP code 92831
The housing stock consists of a significant share of large multi-unit buildings. Most homes were built in the 1970s, giving the area an established character. Median home value is $746,800. Renters make up the majority at 59%, typical of denser urban areas.
The gap between median ($85,220) and mean household income suggests income inequality — a small number of higher earners pull the average up. Poverty affects 18% of residents, above the national average.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 27 minutes is near the national average.
Educational attainment is near the national average, with 45% of residents holding a bachelor's degree or higher.
36,470
population
5.95
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
92831 ZIP code map
Cities in ZIP code 92831
Below are the cities the US Postal Service accepts for ZIP code 92831. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Fullerton | Preferred |
Nearby ZIP codes
92832 Fullerton (1.9 mi)
92835 Fullerton (1.9 mi)
92870 Placentia (2.5 mi)
92850 Anaheim (3.1 mi)
92899 Anaheim (3.1 mi)
92821 Brea (3.5 mi)
92806 Anaheim (3.5 mi)
92805 Anaheim (3.6 mi)
92833 Fullerton (4 mi)
92809 Anaheim (4 mi)
92865 Orange (4.1 mi)
92801 Anaheim (4.2 mi)
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 36,470 |
| Population density | 6,129 / sq mi |
| State FIPS | 06 |
| County FIPS | 059 |
| Geography | |
|---|---|
| Land area | 5.95 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 33.8768 |
| Longitude | -117.8931 |
| Timezone | Pacific (PT) |
| Area code | 714/657 |
Total population by age
Gender
Race & ethnicity
Economics
updated 06/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 31.6% | 25.9% | 32.6% |
| $50k – $100k | 28.9% | 26.6% | 27.7% |
| $100k – $200k | 28.8% | 30.7% | 26.4% |
| Over $200k | 10.7% | 16.7% | 13.3% |
Demographics & statistics
36,470
Population
6,129
People per sq mi
30.6
Median age
$85,220
Median household income
$44,332
Per capita income
$746,800
Median home value
$1,976
Median monthly rent
40.9%
Home ownership
18.1%
Poverty rate
8.8%
Unemployment
6,002
Housing units
45.0%
Bachelor's or higher
Age distribution
Male
Female
904
Under 5
853
791
5–9
746
1,010
10–14
954
1,483
15–19
1,401
2,908
20–24
2,746
3,201
25–34
3,022
2,222
35–44
2,098
2,263
45–54
2,137
1,023
55–59
966
926
60–64
874
1,129
65–74
1,067
498
75–84
470
400
85+
378
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 6,638 | 18.2% |
| 18 and over | 29,832 | 81.8% |
| 65 and over | 3,942 | 10.8% |
| Median age | 30.6 years | |
Race & ethnicity
White
47.2%
Hispanic or Latino
15.4%
Asian
15.3%
Two or more races
11%
Other race
8.4%
Black or African American
2.3%
American Indian / Alaska Native
0.3%
Native Hawaiian / Pacific Islander
0.1%
| Group | Count | % |
|---|---|---|
| White | 20,346 | 47.2% |
| Hispanic or Latino | 6,656 | 15.4% |
| Asian | 6,616 | 15.3% |
| Two or more races | 4,727 | 11% |
| Other race | 3,605 | 8.4% |
| Black or African American | 988 | 2.3% |
| American Indian / Alaska Native | 133 | 0.3% |
| Native Hawaiian / Pacific Islander | 55 | 0.1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 31.6% | 25.9% | 32.6% |
| $50k – $100k | 28.9% | 26.6% | 27.7% |
| $100k – $200k | 28.8% | 30.7% | 26.4% |
| Over $200k | 10.7% | 16.7% | 13.3% |
Under $10k
8.3%
$10k–$15k
3.0%
$15k–$25k
5.1%
$25k–$35k
5.1%
$35k–$50k
9.0%
$50k–$75k
14.7%
$75k–$100k
12.5%
$100k–$150k
16.9%
$150k–$200k
9.8%
$200k+
15.6%
| Range | % of households |
|---|---|
| Under $10k | 8.3% |
| $10k–$15k | 3.0% |
| $15k–$25k | 5.1% |
| $25k–$35k | 5.1% |
| $35k–$50k | 9.0% |
| $50k–$75k | 14.7% |
| $75k–$100k | 12.5% |
| $100k–$150k | 16.9% |
| $150k–$200k | 9.8% |
| $200k+ | 15.6% |
| Median income | $85,220 |
Housing
Home values
Under $50k
1.0%
$50k–$100k
0.3%
$100k–$150k
0.7%
$200k–$300k
0.9%
$300k–$500k
11.0%
$500k–$1M
65.7%
$1M+
20.3%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $746,800 |
| Median rent / month | $1,976 |
| Owner occupied | 40.9% |
| Renter occupied | 59.1% |
| Vacant | 5.9% |
| Single-family detached | 40.6% |
| Large apartment buildings | 26.0% |
| Mobile homes | 0.4% |
| Median rooms | 4.4 |
| Avg household size (owned) | 2.85 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 1.1% |
| 2000–2009 | 2.6% |
| 1990–1999 | 5.2% |
| 1980–1989 | 11.4% |
| 1970–1979 | 25.0% |
| 1960–1969 | 24.4% |
| 1950–1959 | 22.4% |
| 1940–1949 | 1.8% |
| 1939 or earlier | 6.1% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 9.7% |
| 1 bedroom | 22.6% |
| 2 bedrooms | 25.2% |
| 3 bedrooms | 24.8% |
| 4 bedrooms | 15.0% |
| 5+ bedrooms | 2.8% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 5.7% |
| 1 vehicle | 32.9% |
| 2 vehicles | 36.2% |
| 3 or more | 25.2% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 65.4% |
| Electricity | 28.5% |
| Propane / LP gas | 0.7% |
| Solar | 0.4% |
| No fuel used | 4.8% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 5,484 | 43.1% |
| Cohabiting couple | 1,164 | 9.1% |
| Male householder, no spouse | 2,682 | 21.1% |
| Female householder, no spouse | 3,402 | 26.7% |
| Households with children under 18 | 3,398 | 26.7% |
| Households with seniors (65+) | 2,732 | 21.5% |
| Average household size | 2.73 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 50.4% | 44.9% |
| Married | 40.3% | 38.0% |
| Separated | 1.1% | 2.7% |
| Widowed | 1.7% | 5.6% |
| Divorced | 6.4% | 8.8% |
Education
Less than 9th grade
5.3%
Some HS, no diploma
4.1%
HS graduate
16.7%
Some college, no degree
21.4%
Associate's degree
7.4%
Bachelor's degree
28.4%
Graduate / professional
16.6%
| Metric | % |
|---|---|
| HS diploma or higher | 90.6% |
| Bachelor's or higher | 45.0% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 495 | 4.0% |
| Kindergarten | 317 | 2.6% |
| Elementary school | 2,696 | 21.8% |
| High school | 1,725 | 13.9% |
| College / grad school | 7,142 | 57.7% |
Employment
Industry of employment
Education & healthcare
23.5%
Arts, food & hospitality
13.9%
Professional & management
13.1%
Retail trade
11.2%
Manufacturing
9.7%
Finance & real estate
7.3%
Construction
5.2%
Transportation & utilities
4.7%
Other services
3.7%
Public administration
3.0%
Wholesale trade
2.6%
Information
1.5%
Agriculture & mining
0.5%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 44.6% |
| Service | 16.8% |
| Sales & office | 23.2% |
| Natural resources & construction | 6.3% |
| Production & transportation | 9.1% |
Employment type
| Type | % |
|---|---|
| Private sector | 78.6% |
| Government | 14.8% |
| Self-employed | 6.5% |
| Unpaid family workers | 0.1% |
Commute
| Method | % |
|---|---|
| Drive alone | 71.4% |
| Carpool | 8.4% |
| Public transit | 1.7% |
| Walk | 3.3% |
| Work from home | 13.2% |
| Other means | 2.0% |
| Avg commute (minutes) | 27.4 |
Poverty
All people
18.1%
Under 18 years
14.7%
18 and over
18.8%
Married-couple families
4.9%
Female-led households
31.1%
Income support
| Source | % of households |
|---|---|
| Social Security | 21.4% |
| Retirement income | 17.4% |
| Supplemental Security | 3.6% |
| Cash public assistance | 1.6% |
| Food stamps / SNAP | 6.5% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 23.0% |
| High blood pressure | 22.0% |
| High cholesterol | 26.7% |
| Diabetes | 7.2% |
| Heart disease | 4.0% |
| Stroke | 2.0% |
| Asthma | 9.7% |
| Arthritis | 15.7% |
| Kidney disease | 2.1% |
| Pulmonary disease | 4.4% |
| Cancer | 4.4% |
| Behavior / access | % |
|---|---|
| Smoking | 10.6% |
| Binge drinking | 17.5% |
| No physical activity | 19.3% |
| Less than 7 hrs sleep | 31.0% |
| Depression | 17.0% |
| Fair or poor health | 12.3% |
| Poor mental health | 14.8% |
| Poor physical health | 8.5% |
| No health insurance | 12.7% |
| Visited doctor (checkup) | 63.1% |
| Visited dentist | 65.6% |
| Cholesterol screening | 87.3% |
| Teeth loss | 9.2% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,098 | 3.7% |
| Disability | % |
|---|---|
| Any disability | 8.0% |
| Under 18 | 2.2% |
| 18–64 years | 6.0% |
| 65 and over | 31.5% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 68.2% |
| Public insurance | 30.2% |
| No insurance | 8.4% |
| Uninsured under 19 | 4.5% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 34,713 | 95.2% |
| Spanish | 4,606 | 13.3% |
| Other Indo-European | 2,453 | 7.1% |
| Asian & Pacific Islander | 632 | 1.8% |
| Other languages | 1,363 | 3.9% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 27,515 | 75.4% |
| Born in same state | 27,042 | 74.1% |
| Born in different state | 21,951 | 60.2% |
| Foreign born | 473 | 1.3% |
| Naturalized citizen | 8,955 | 24.6% |
| Not a US citizen | 4,480 | 50.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 3,070 | 8.4% |
| Italian | 2,664 | 7.3% |
| Arab | 1,483 | 4.1% |
| English | 287 | 0.8% |
| Polish | 224 | 0.6% |
| Ancestry | Count | % |
|---|---|---|
| Dutch | 193 | 0.5% |
| Norwegian | 148 | 0.4% |
| German | 93 | 0.3% |
| Irish | 37 | 0.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 34.9% |
| Internet access | 97.4% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 92831
What city is ZIP code 92831 in?
ZIP code 92831 is primarily assigned to Fullerton, California.
What county is ZIP code 92831 in?
ZIP code 92831 falls within Orange County, California.
Is ZIP code 92831 mostly rentals?
59% of occupied units in ZIP code 92831 are renter-occupied.
What is the poverty rate in ZIP code 92831?
18% of residents in ZIP code 92831 live below the poverty line, above the national average.
What is the typical home value in ZIP code 92831?
The median home value in ZIP code 92831 is $746,800.
What is the population of ZIP code 92831?
ZIP code 92831 has an estimated population of 36,470 residents, with a density of 6,130 people per square mile.
What timezone is ZIP code 92831 in?
ZIP code 92831 observes the PST timezone.