ZIP Code 94521 Demographics & Data

Concord, CA (ZIP Code 94521) Data

California

Comprehensive Data and Demographics About 94521

The ZIP Code 94521 is associated with the city of Concord in California in Contra Costa County. The median household income is $106,938, while about 3% of the population is living below the poverty line. The ZIP Code 94521 has a median age of approximately 42.3 years, with 21.5% of residents aged 62 years and older. Approximately 42.8% of residents in this California region hold a bachelor's degree or higher. The per capita income is estimated to be $46,687. The current population estimate is 43,281.

Population in 94521

The most recent population estimate for ZIP Code 94521 is 43,281.

Concord, CA

The 94521 ZIP Code is associated with Concord, CA in Contra Costa County.

Area Codes associated with 94521

Telephone area codes associated with ZIP Code 94521 include No associated area codes were found for ZIP Code 94521.

Sunrise / Sunset in 94521

Sunrise: 7:16 am
Sunset: 7:16 pm
Sunrise in 94521 7:16 am
Sunrise in 94521 7:16 pm

Weather forecast for 94521

Forecast currently unavailable.

Current air quality in 94521

Air quality: Fair Air quality scale in 94521 Fair

Internet in 94521

An estimated 92.2% of households in ZIP Code 94521 have broadband Internet service, while about 94.9% have a computer.

Gender in 94521

Females make up an estimated 52.3% of the overall population in ZIP Code 94521, while males comprise about 47.7%.

Health Insurance in 94521

Approximately 6.0% of adults aged 18 to 64 in ZIP Code 94521 (Concord, CA) are currently uninsured and do not have health insurance.

Income in ZIP Code 94521

The median household income in ZIP Code 94521 is $106,938, while the region's mean household income is $123,650. Breaking income down further, per capita income in the region is $46,687. The per capita income in ZIP Code 94521 of $46,687 is approximately 26.33% more than the per capita income in California overall of $36,955. An estimated 3.1% of the population is living below the poverty line in this region. This rate is approximately 67.37% lower than the overall poverty rate in the U.S. of 9.5%. Regarding household income, approximately 23.6% of the population in 94521 earn $100,000 to $149,999 per year, while an estimated 16.9% earn $200,000 or more per year, and 2.0% of 94521 residents earn $10,000 to $14,999 per year.

Household Income Details

Bar chart displaying household income in ZIP Code 94521. 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 94521

Household Income Percent
Less than $10,000 per year 3.1%
$10,000 to $14,999 per year 2.0%
$15,000 to $24,999 per year 4.6%
$25,000 to $34,999 per year 5.9%
$35,000 to $49,999 per year 5.4%
$50,000 to $74,999 per year 12.4%
$75,000 to $99,999 per year 13.4%
$100,000 to $149,999 per year 23.6%
$150,000 to $199,999 per year 12.7%
$200,000 or more per year 16.9%

Education levels in ZIP Code 94521

In ZIP Code 94521, 93.9% of the population graduated high school, while 42.8% have a bachelor's degree or higher. In this region, 2.5% achieved an education level less than 9th grade, while 13.1% hold a graduate or professional degree. Approximately 17.0% in this Contra Costa County region reached the highest level of high school graduate (including equivalency).

Education Attained in 94521

Education Level Percent
Less than 9th grade 2.5%
9th to 12th grade, no diploma 3.6%
High school graduate (includes equivalency) 17.0%
Some college, no degree 23.8%
Associate's degree 10.4%
Bachelor's degree 29.6%
Graduate or professional degree 13.1%

Education Level Details

Pie chart displaying the education level breakdown in ZIP Code 94521. 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 94521

Looking at race in the population that makes up ZIP Code 94521, 93.4% is one race, while 6.6% are two or more races. Approximately 17.3% of 94521 residents are hispanic or Latino (of any race). The most common race in 94521 (race alone or in combination with one or more other races), is White (79.8%), followed by Asian (16.4%) .

Race Breakdown Details

Bar chart displaying the racial composition of ZIP Code 94521. This visualizes the percentage of the population of each race (race alone or in combination with one or more other races).

Racial Composition of 94521

Industry Percent
White 79.8%
Black or African American 3.7%
American Indian and Alaska Native 1.8%
Asian 16.4%
Native Hawaiian and Other Pacific Islander 0.8%
Some other race 5.4%
* Race alone or in combination with one or more other races

Real Estate & Housing in ZIP Code 94521

The median home value in ZIP Code 94521 in January 2025 comes in at $839,071. The January 2025 value is approximately -2% lower than the $853,463 median value in August 2024, and -0% lower than the $839,195 median value in February 2024. Regarding the age of homes in ZIP Code 94521, an estimated 29.7% of homes were built between 1970 and 1979. Additionally, 24.7% of homes in the region were built between 1960 and 1969, while an estimated 0.1% of homes were built between 2010 and 2013 in this Contra Costa County region.

Home Values in 94521

Month Home value
Jan 2025 $839,071
Dec 2024 $841,895
Nov 2024 $843,555
Oct 2024 $845,452
Sep 2024 $849,430
Aug 2024 $853,463
Jul 2024 $857,555
Jun 2024 $859,075
May 2024 $857,200
Apr 2024 $850,920
Mar 2024 $843,478
Feb 2024 $839,195

Median Home Values Over Time

Line chart displaying median home values in ZIP Code 94521. This visualizes a recent 12-month span of home values in the region.

Age of Housing in 94521

Year Home Built Percent
Built in 2014 or later 0.3%
Built between 2010 and 2013 0.1%
Built between 2000 and 2009 4.8%
Built between 1990 and 1999 6.0%
Built between 1980 and 1989 18.9%
Built between 1970 and 1979 29.7%
Built between 1960 and 1969 24.7%
Built between 1950 and 1959 13.0%
Built between 1940 and 1949 1.0%
Built in 1939 or earlier 1.5%

Housing Age Breakdown

">Bar chart displaying the breakdown on housing ages in ZIP Code 94521. 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 94521

Residents of ZIP Code 94521 are older than average. The median age of 42.3 years in ZIP Code 94521 is approximately 11.02% higher than the overall median age in the U.S. of 38.1 years. About 80.1% of residents are aged 18 years and older, and 21.5% of residents are 62 years and over. Approximately 14.3% of the population in 94521 falls in the age group 45 to 54 years, while an estimated 14.0% are aged 25 to 34 years. On the low end of the scale, 2.3% of 94521 residents are aged 85 years and over.

Age Breakdown Details

Bar chart displaying the age breakdown in ZIP Code 94521. 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 94521

Age Range Percent
Under 5 years 5.7%
5 to 9 years 5.8%
10 to 14 years 5.4%
15 to 19 years 5.0%
20 to 24 years 5.6%
25 to 34 years 14.0%
35 to 44 years 12.1%
45 to 54 years 14.3%
55 to 59 years 7.7%
60 to 64 years 6.7%
65 to 74 years 9.7%
75 to 84 years 5.8%
85 years and over 2.3%

Chronic Health Issues in ZIP Code 94521 [4]

Chronic Health Issues Breakdown

Bar chart displaying a breakdown of chronic health issues in ZIP Code 94521. 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 94521

Health Issue Percent of adults*
* aged 18 & above

Health Risk Behaviors & Prevention in 94521 [4]

One of the top preventative health measures in ZIP Code 94521 is current access to health insurance, as an estimated 94% of adults 18 and older take part in this preventive measure. Additionally, % of those 18 and above in 94521 list , as a preventive measure.

Preventative Health in 94521

Preventive Measure Percent of adults*
Current access to health insurance 94%
* aged 18 & above

Preventative Health Measures

Bar chart displaying preventative health data in ZIP Code 94521. 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 94521. 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 94521

Risk Behavior Percent of adults*
* aged 18 & above

Jobs Breakdown in ZIP Code 94521

In 94521, 65.2% of the population is in the labor force. Recent estimates place 5.7% as working from home, while the total labor force in the region has a mean travel to time to work of 37.2 minutes. Approximately 23.1% of the employed population 16 years and over in 94521 work in educational services, and health care and social assistance, while an estimated 13.3% work in professional, scientific, management, and administrative. On the lower end of the scale, just 0.3% of 94521 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 94521. 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 94521

Industry Percent
Agriculture, forestry, fishing and hunting, and mining 0.3%
Construction 7.7%
Manufacturing 6.9%
Wholesale trade 1.7%
Retail trade 11.8%
Transportation and warehousing, and utilities 4.4%
Information 2.2%
Finance and insurance, and real estate and rental and leasing 9.4%
Professional, scientific, management, and administrative 13.3%
Educational services, and health care and social assistance 23.1%
Arts, entertainment, and recreation, and accommodation and food services 7.3%
Other services, except public administration 6.5%
Public administration 5.5%

Language Breakdown in ZIP Code 94521

In ZIP Code 94521, 74.5% of the population lists "English only" as the language spoken in home, while 10.8% of lists Spanish. Additionally, Asian and Pacific Islander languages are spoken in 6.7% of homes, and other Indo-European languages are spoken in 6.8% of homes. Lastly, 1.2% 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 94521

Language Spoken Percent
English only 74.5%
Spanish 10.8%
Other Indo-European languages 6.7%
Asian and Pacific Islander languages 6.8%
Other languages 1.2%
* Population 5 years and over

Language Spoken in Home

Bar chart displaying the language spoken in homes in ZIP Code 94521. 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 94521 [5]

Regarding consumer complaints about financial products in ZIP Code 94521, credit reporting or other personal consumer reports have received the most complaints in 94521 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 94521. This visualizes the specific products that were the subject of complaints, e.g. a mortgage or a credit card.

Consumer Complaints by Product in 94521

Complaint Product Number of Complaints*
Credit reporting or other personal consumer reports 133
Credit reporting or credit repair services 43
Checking or savings account 23
Debt collection 20
Mortgage 19
Other 40
* Total in 2021

Consumer Complaints by Issue in 94521

Complaint Issue Number of Complaints*
Incorrect information on your report 83
Problem with a company's investigation into an existing problem 42
Improper use of your report 41
Managing an account 17
Attempts to collect debt not owed 11
Other 84
* 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 94521. This visualizes the specific complaint issues that arose in this region, e.g. incorrect information on a report.

Utilities in ZIP Code 94521 [6]

Regarding solar power potential, ZIP Code 94521 has an average daily solar radiation level of 5.92 kWh/m2/day. This is approximately 43.69% greater than an area in the U.S. with historically low solar radiation levels (WA), and about 10.17% 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 94521. This visualizes electricity rates in 94521 compared to rates in the state and rates in the U.S. as a whole.

Electricity Rates in 94521

Region Residential Commercial Industrial
ZIP Code 94521 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 94521

Month ZIP Code 94521 Low (WA) High (AZ)
Jan 3.92 1.9 5.84
Feb 4.41 3 6.31
Mar 5.71 3.65 7.02
Apr 6.43 5.13 7.3
May 6.74 5.17 7.13
Jun 7.15 5.72 6.95
Jul 7.24 6.22 6.51
Aug 7.48 6.08 6.65
Sep 7.21 5.15 7.02
Oct 6.11 3.32 6.92
Nov 4.69 2.33 5.99
Dec 3.97 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 94521. This visualizes solar power levels in 94521 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.