ZIP Code 94531 Demographics & Data

Antioch, CA (ZIP Code 94531) Data

California

In-depth Statistics and Demographics About 94531

The ZIP Code 94531 is associated with the city of Antioch in California in Contra Costa County. The median household income is $104,646, while about 7% of the population is living below the poverty line. The ZIP Code 94531 has a median age of approximately 38.1 years, with 16.1% of residents aged 62 years and older. Approximately 27.6% of residents in this California region hold a bachelor's degree or higher. The per capita income is estimated to be $34,723. The current population estimate is 43,022.

Population in 94531

The most recent population estimate for ZIP Code 94531 is 43,022.

Antioch, CA

The 94531 ZIP Code is associated with Antioch, CA in Contra Costa County.

Area Codes associated with 94531

Telephone area codes associated with ZIP Code 94531 include 925.

Sunrise / Sunset in 94531

Sunrise: 6:55 am
Sunset: 7:27 pm
Sunrise in 94531 6:55 am
Sunrise in 94531 7:27 pm

Weather forecast for 94531

Forecast currently unavailable.

Current air quality in 94531

Air quality: Fair Air quality scale in 94531 Fair

Internet in 94531

An estimated 92.3% of households in ZIP Code 94531 have broadband Internet service, while about 96.8% have a computer.

Gender in 94531

Females make up an estimated 52.9% of the overall population in ZIP Code 94531, while males comprise about 47.1%.

Health Insurance in 94531

Approximately 8.2% of adults aged 18 to 64 in ZIP Code 94531 (Antioch, CA) are currently uninsured and do not have health insurance.

Income in ZIP Code 94531

The median household income in ZIP Code 94531 is $104,646, while the region's mean household income is $114,715. Breaking income down further, per capita income in the region is $34,723. The per capita income in ZIP Code 94531 of $34,723 is approximately 6.04% less than the per capita income in the U.S. overall of $36,955. An estimated 6.6% of the population is living below the poverty line in this region. This rate is approximately 30.53% lower than the overall poverty rate in the U.S. of 9.5%. Regarding household income, approximately 25.7% of the population in 94531 earn $100,000 to $149,999 per year, while an estimated 14.6% earn $150,000 to $199,999 per year, and 1.6% of 94531 residents earn $10,000 to $14,999 per year.

Household Income Details

Bar chart displaying household income in ZIP Code 94531. This visualizes the percentage of households in this region that fall within different income ranges, e.g. $100,000 to $149,999 per year.

Total Income in 94531

Household Income Percent
Less than $10,000 per year 2.4%
$10,000 to $14,999 per year 1.6%
$15,000 to $24,999 per year 3.8%
$25,000 to $34,999 per year 5.6%
$35,000 to $49,999 per year 7.8%
$50,000 to $74,999 per year 13.4%
$75,000 to $99,999 per year 13.8%
$100,000 to $149,999 per year 25.7%
$150,000 to $199,999 per year 14.6%
$200,000 or more per year 11.4%

Education levels in ZIP Code 94531

In ZIP Code 94531, 89.7% of the population graduated high school, while 27.6% have a bachelor's degree or higher. In this region, 5.2% achieved an education level less than 9th grade, while 8.5% hold a graduate or professional degree. Approximately 22.7% in this Contra Costa County region reached the highest level of high school graduate (including equivalency).

Education Attained in 94531

Education Level Percent
Less than 9th grade 5.2%
9th to 12th grade, no diploma 5.2%
High school graduate (includes equivalency) 22.7%
Some college, no degree 27.9%
Associate's degree 11.5%
Bachelor's degree 19.1%
Graduate or professional degree 8.5%

Education Level Details

Pie chart displaying the education level breakdown in ZIP Code 94531. This visualizes the percentage of the population that has attained a specific level of education, e.g. a graduate or professional degree.

Race & Ethnicity in ZIP Code 94531

Looking at race in the population that makes up ZIP Code 94531, 90.9% is one race, while 9.1% are two or more races. Approximately 26.9% of 94531 residents are hispanic or Latino (of any race). The most common race in 94531 (race alone or in combination with one or more other races), is White (40.9%), followed by Black or African American (27.2%) .

Race Breakdown Details

Bar chart displaying the racial composition of ZIP Code 94531. This visualizes the percentage of the population of each race (race alone or in combination with one or more other races).

Racial Composition of 94531

Industry Percent
White 40.9%
Black or African American 27.2%
American Indian and Alaska Native 2.0%
Asian 21.7%
Native Hawaiian and Other Pacific Islander 2.7%
Some other race 15.6%
* Race alone or in combination with one or more other races

Real Estate & Housing in ZIP Code 94531

Regarding the age of homes in ZIP Code 94531, an estimated 44.6% of homes were built between 1990 and 1999. Additionally, 25.1% of homes in the region were built between 2000 and 2009, while an estimated 0.3% of homes were built between 1940 and 1949 in this Contra Costa County region.

Age of Housing in 94531

Year Home Built Percent
Built in 2014 or later 0.9%
Built between 2010 and 2013 3.0%
Built between 2000 and 2009 25.1%
Built between 1990 and 1999 44.6%
Built between 1980 and 1989 21.7%
Built between 1970 and 1979 1.7%
Built between 1960 and 1969 0.6%
Built between 1950 and 1959 1.5%
Built between 1940 and 1949 0.3%
Built in 1939 or earlier 0.5%

Housing Age Breakdown

">Bar chart displaying the breakdown on housing ages in ZIP Code 94531. This visualizes the percentage of homes in the region that were built in a certain time frame, e.g. built between 1950 and 1959.

Age Breakdown in ZIP Code 94531

Residents of ZIP Code 94531 are neither older nor younger than average. The median age of 38.1 years in ZIP Code 94531 is approximately equal to the median age in the U.S. overall. About 75.9% of residents are aged 18 years and older, and 16.1% of residents are 62 years and over. Approximately 14.8% of the population in 94531 falls in the age group 45 to 54 years, while an estimated 13.2% are aged 25 to 34 years. On the low end of the scale, 1.6% of 94531 residents are aged 85 years and over.

Age Breakdown Details

Bar chart displaying the age breakdown in ZIP Code 94531. This visualizes the percentage of the population in the region that falls into certain age ranges, e.g. 35 to 44 years old.

Age Breakdown in 94531

Age Range Percent
Under 5 years 4.9%
5 to 9 years 5.9%
10 to 14 years 7.5%
15 to 19 years 8.5%
20 to 24 years 7.1%
25 to 34 years 13.2%
35 to 44 years 11.6%
45 to 54 years 14.8%
55 to 59 years 7.7%
60 to 64 years 6.2%
65 to 74 years 7.7%
75 to 84 years 3.2%
85 years and over 1.6%

Chronic Health Issues in ZIP Code 94531 [4]

Chronic Health Issues Breakdown

Bar chart displaying a breakdown of chronic health issues in ZIP Code 94531. This visualizes the percentage of adults aged 18 and above that have specific chronic health issues, e.g. high blood pressure, diabetes, or arthritis.

Health Issues in 94531

Health Issue Percent of adults*
* aged 18 & above

Health Risk Behaviors & Prevention in 94531 [4]

One of the top preventative health measures in ZIP Code 94531 is current access to health insurance, as an estimated 91.8% of adults 18 and older take part in this preventive measure. Additionally, % of those 18 and above in 94531 list , as a preventive measure.

Preventative Health in 94531

Preventive Measure Percent of adults*
Current access to health insurance 91.8%
* aged 18 & above

Preventative Health Measures

Bar chart displaying preventative health data in ZIP Code 94531. This visualizes the percentage of adults aged 18 and above that engage in preventative health measures, e.g. sholesterol screenings and visits to doctors for routine checkups.

Health Risk Behaviors Details

Bar chart displaying health risk behaviors details in ZIP Code 94531. This visualizes the percentage of adults aged 18 and older that engage in health risk behaviors, e.g. smoking or binge drinking.

Health Risk Behaviors in 94531

Risk Behavior Percent of adults*
* aged 18 & above

Jobs Breakdown in ZIP Code 94531

In 94531, 66.4% of the population is in the labor force. Recent estimates place 5.4% as working from home, while the total labor force in the region has a mean travel to time to work of 51.9 minutes. Approximately 26.0% of the employed population 16 years and over in 94531 work in educational services, and health care and social assistance, while an estimated 13.7% work in professional, scientific, management, and administrative. On the lower end of the scale, just 0.2% of 94531 workers 16 years and over work in agriculture, forestry, fishing and hunting, and mining.

Job Industry Breakdown Details

Bar chart displaying job industry breakdown details for ZIP Code 94531. This visualizes the percentage of the population 16 years and over that work in certain industries, e.g. educational services, and health care and social assistance.

Job Industry Breakdown in 94531

Industry Percent
Agriculture, forestry, fishing and hunting, and mining 0.2%
Construction 5.9%
Manufacturing 5.7%
Wholesale trade 1.7%
Retail trade 12.8%
Transportation and warehousing, and utilities 8.2%
Information 2.1%
Finance and insurance, and real estate and rental and leasing 6.6%
Professional, scientific, management, and administrative 13.7%
Educational services, and health care and social assistance 26.0%
Arts, entertainment, and recreation, and accommodation and food services 7.0%
Other services, except public administration 5.0%
Public administration 5.1%

Language Breakdown in ZIP Code 94531

In ZIP Code 94531, 61.0% of the population lists "English only" as the language spoken in home, while 18.7% of lists Spanish. Additionally, Asian and Pacific Islander languages are spoken in 6.9% of homes, and other Indo-European languages are spoken in 11.8% of homes. Lastly, 1.4% of homes list "other languages" as spoken in the home. All percentages referenced are for the population 5 years and older in this Contra Costa County region.

Language Spoken in 94531

Language Spoken Percent
English only 61.0%
Spanish 18.7%
Other Indo-European languages 6.9%
Asian and Pacific Islander languages 11.8%
Other languages 1.4%
* Population 5 years and over

Language Spoken in Home

Bar chart displaying the language spoken in homes in ZIP Code 94531. This visualizes the percentage of homes in the area that list a specific language as being spoken in the home, e.g. Spanish.

Consumer Financial Products Complaints in 94531 [5]

Regarding consumer complaints about financial products in ZIP Code 94531, credit reporting or other personal consumer reports have received the most complaints in 94531 in the past 12 months. Credit reporting or credit repair services received the second most complaints. The most frequent complaint overall in this Contra Costa County region was incorrect information on a report.

Consumer Complaints (Products)

Pie chart displaying the specific consumer financial products associated with complaints that originated from residents in ZIP Code 94531. This visualizes the specific products that were the subject of complaints, e.g. a mortgage or a credit card.

Consumer Complaints by Product in 94531

Complaint Product Number of Complaints*
Credit reporting or other personal consumer reports 727
Credit reporting or credit repair services 505
Debt collection 79
Checking or savings account 44
Credit card or prepaid card 21
Other 80
* Total in 2021

Consumer Complaints by Issue in 94531

Complaint Issue Number of Complaints*
Incorrect information on your report 556
Improper use of your report 397
Problem with a credit reporting company's investigation 185
Problem with a company's investigation into an existing problem 77
Attempts to collect debt not owed 58
Other 183
* Total 2021 - 2024 (current)

Consumer Complaints (Issues)

Pie chart displaying the complaints about consumer financial products and services that were sent to companies for response from residents in ZIP Code 94531. This visualizes the specific complaint issues that arose in this region, e.g. incorrect information on a report.

Utilities in ZIP Code 94531 [6]

Regarding solar power potential, ZIP Code 94531 has an average daily solar radiation level of 6.01 kWh/m2/day. This is approximately 45.87% greater than an area in the U.S. with historically low solar radiation levels (WA), and about 8.8% less than an area in the U.S. with historically high solar radiation levels (AZ).

Electricity Breakdown Details

Bar chart displaying the electricity rates breakdown in ZIP Code 94531. This visualizes electricity rates in 94531 compared to rates in the state and rates in the U.S. as a whole.

Electricity Rates in 94531

Region Residential Commercial Industrial
ZIP Code 94531 15.59¢/kWh 14.08¢/kWh 8.98¢/kWh
California 30.55¢/kWh 23.13¢/kWh 19.8¢/kWh
United States 16.26¢/kWh 12.76¢/kWh 8.01¢/kWh

Solar Power in 94531

Month ZIP Code 94531 Low (WA) High (AZ)
Jan 3.72 1.9 5.84
Feb 4.55 3 6.31
Mar 5.81 3.65 7.02
Apr 6.74 5.13 7.3
May 6.88 5.17 7.13
Jun 7.22 5.72 6.95
Jul 7.31 6.22 6.51
Aug 7.52 6.08 6.65
Sep 7.3 5.15 7.02
Oct 6.33 3.32 6.92
Nov 4.83 2.33 5.99
Dec 3.87 1.78 5.46
All figures listed are kWh/m2/day — kilowatt hours per square meter per day

Solar Radiation Levels

Line chart displaying solar radiation levels in ZIP Code 94531. This visualizes solar power levels in 94531 compared to radiation levels in both a historically low radiation state (WA) and a historically high radiation state (AZ).

Notes

  • [4] Health data referenced here originate from the Centers for Disease Control and Prevention (CDC).
  • [5] Consumer financial product complaint data referenced here originate from the Consumer Financial Protection Bureau.
  • [6] Electricity rates and electricity usage data referenced here originate from the National Renewable Energy Laboratory (NREL) and/or the U.S. Energy Information Administration (EIA). Estimates utilize regional U.S. Census Bureau data along with regional NREL and/or EIA data.