ZIP Code 94521 - Concord California

ZIP Code 94521 is located in Concord California. Portions of 94521 are also in Pittsburg and Walnut Creek. 94521 is entirely within Contra Costa County. Regionally, it is located in the Metro Bay Area.

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ZIP Code 94521 Quick Stats

ZIP Code NameConcord
Primary CountyContra Costa County
ZIP Code TypeStandard
Population (2022)41,092
Area Code(s)925
Current Time

ZIP Code 94521 Map

94521 Demographics

94521 can be classified socioeconomically as Middle Class class compared to other ZIP Codes in California based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 94521 is White. The majority race/ethnicity attending public schools in 94521 is Hispanic. The current unemployment level in 94521 is 4.2%.

Population Growth Rate0.00%
Population Density2,149 People per Square Mile
Total Households15,805
Percentage High Income Households8.0%
Median Houshold Income (2021)$112,030
Average Adjusted Gross Income (2020)$97,230
Current Unemployment Rate (February 2024)4.2%
Majority Race/EthnictyWhite - 64.18%
Public School Majority Race/EthnictyHispanic - 37.76%

94521 Race/Ethnicty Breakdown

Native American1890.44%
Hawaiian/Pac. Islander40.01%

94521 Public School Race/Ethnicty Breakdown

Native American130.22%
Hawaiian/Pac. Islander530.88%

94521 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College1,9767.18%
Bachelor Degree7,11225.83%
High School Diploma5,40719.64%
No High School Diploma4371.59%
GED or Alternate7032.55%
1 or More Years of College5,61520.39%
Associates Degree3,12811.36%
Masters Degree2,1727.89%
Professional Degree5101.85%
Doctorate Degree4761.73%

94521 Geography

Adjacent ZIP Codes
Cities/Towns in 94521
RegionMetro Bay Area
Metropolitan/Micropolitan Stat AreaSan Francisco-Oakland-Berkeley, CA
Time ZonePacific Standard Time
IANA TimezoneAmerica/Los_Angeles
Area19 Square Miles

94521 Politics

US Congressional Districts in 94521
California State Senate Districts in 94521
California State Assembly Districts in 94521

94521 Weather and Climate Data

Plant Hardiness ZoneZone 9b: 25F to 30F
Average First Frost DateDecember 1 - 10
Average Last Frost DateMarch 11 - 20
Koppen-Geiger Climate ZoneCsb - Warm-Summer Mediterranean Climate

94521 Annual Climate Data

Avg Min Temp (°F)37404144485355555348423746
Avg Max Temp (°F)55606470768287888476645572
Avg Precip (In.)4.143.492.591.

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