ZIP Code 94520 - Concord California

ZIP Code 94520 is located in Concord California. Portions of 94520 are also in Bay Point and Clyde and Pacheco and Pittsburg. 94520 is entirely within Contra Costa County. Regionally, it is located in the Metro Bay Area.

Stats Demographics Geography Politics Schools Climate Related Pages

ZIP Code 94520 Quick Stats

ZIP Code NameConcord
Primary CountyContra Costa County
ZIP Code TypeStandard
Population (2022)36,699
Area Code(s)925
Current Time

ZIP Code 94520 Map

94520 Demographics

94520 can be classified socioeconomically as Lower 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 94520 is Hispanic. The majority race/ethnicity attending public schools in 94520 is Hispanic. The current unemployment level in 94520 is 4.2%.

Population Growth Rate0.00%
Population Density2,105 People per Square Mile
Total Households12,710
Percentage High Income Households0.6%
Median Houshold Income (2021)$71,846
Average Adjusted Gross Income (2020)$62,770
Current Unemployment Rate (February 2024)4.2%
Majority Race/EthnictyHispanic - 44.59%
Public School Majority Race/EthnictyHispanic - 73.77%

94520 Race/Ethnicty Breakdown

Native American4071.03%
Hawaiian/Pac. Islander760.19%

94520 Public School Race/Ethnicty Breakdown

Native American10.03%
Hawaiian/Pac. Islander431.15%

94520 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College1,4777.98%
Bachelor Degree3,14716.99%
High School Diploma5,99132.35%
No High School Diploma5032.72%
GED or Alternate7474.03%
1 or More Years of College3,88020.95%
Associates Degree1,3547.31%
Masters Degree1,0385.61%
Professional Degree2541.37%
Doctorate Degree1280.69%

94520 Geography

Adjacent ZIP Codes
Cities/Towns in 94520
RegionMetro Bay Area
Metropolitan/Micropolitan Stat AreaSan Francisco-Oakland-Berkeley, CA
Time ZonePacific Standard Time
IANA TimezoneAmerica/Los_Angeles
Area17 Square Miles

94520 Politics

US Congressional Districts in 94520
California State Senate Districts in 94520
California State Assembly Districts in 94520

94520 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

94520 Annual Climate Data

Avg Min Temp (°F)37404244485355555348423746
Avg Max Temp (°F)54606470768387888476635472
Avg Precip (In.)

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