ZIP Code 92078 - San Marcos California

ZIP Code 92078 is located in San Marcos California. Portions of 92078 are also in Lake San Marcos and Carlsbad and Harmony Grove and Vista. 92078 is entirely within San Diego County. Regionally, 92078 is located in Metro San Diego.

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ZIP Code 92078 Quick Stats

ZIP Code NameSan Marcos
Primary CountySan Diego County
ZIP Code TypeStandard
Population (2022)53,019
Area Code(s)442 / 760
Current Time

ZIP Code 92078 Map

92078 Demographics

92078 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 92078 is White. The majority race/ethnicity attending public schools in 92078 is White. The current unemployment level in 92078 is 4.8%.

Population Growth Rate0.00%
Population Density3,132 People per Square Mile
Total Households16,120
Percentage High Income Households5.9%
Median Household Income (2021)$97,908
Average Adjusted Gross Income (2021)$417,230
Current Unemployment Rate (July 2024)4.8%
Majority Race/EthnictyWhite - 61.38%
Public School Majority Race/EthnictyWhite - 45.89%

92078 Race/Ethnicty Breakdown

Native American2720.45%
Hawaiian/Pac. Islander00%

92078 Public School Race/Ethnicty Breakdown

Native American1541.58%
Hawaiian/Pac. Islander500.51%

92078 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College1,7036.51%
Bachelor Degree7,27627.82%
High School Diploma3,99715.28%
No High School Diploma4531.73%
GED or Alternate4821.84%
1 or More Years of College4,13315.8%
Associates Degree4,79518.34%
Masters Degree2,3218.88%
Professional Degree5852.24%
Doctorate Degree4061.55%

92078 Geography

Adjacent ZIP Codes
Cities/Towns in 92078
RegionMetro San Diego
Metropolitan/Micropolitan Stat AreaSan Diego-Chula Vista-Carlsbad, CA
Time ZonePacific Daylight Time
IANA TimezoneAmerica/Los_Angeles
Area17 Square Miles

92078 Politics

US Congressional Districts in 92078
California State Senate Districts in 92078
California State Assembly Districts in 92078

92078 Weather and Climate Data

Plant Hardiness ZoneZone 10a: 30F to 35F
Average First Frost DateDecember 21 - 31
Average Last Frost DateFebruary 11 - 20
Koppen-Geiger Climate ZoneCsa - Hot-Summer Mediterranean Climate

92078 Annual Climate Data

Avg Min Temp (°F)42444648545760626054464251
Avg Max Temp (°F)67687073758086878479736876
Avg Precip (In.)3.062.732.

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