ZIP Code 91739 - Rancho Cucamonga California

ZIP Code 91739 is located in Rancho Cucamonga California. 91739 is entirely within San Bernardino County. Regionally, it is located in Metro Los Angeles.

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ZIP Code 91739 Quick Stats

ZIP Code NameRancho Cucamonga
Primary CountySan Bernardino County
ZIP Code TypeStandard
Population (2022)41,319
Area Code(s)840 / 909
Current Time

ZIP Code 91739 Map

91739 Demographics

91739 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 91739 is White. The majority race/ethnicity attending public schools in 91739 is Hispanic. The current unemployment level in 91739 is 3.7%.

Population Growth Rate0.00%
Population Density3,027 People per Square Mile
Total Households10,791
Percentage High Income Households13.6%
Median Household Income (2021)$126,111
Average Adjusted Gross Income (2020)$103,540
Current Unemployment Rate (April 2024)3.7%
Majority Race/EthnictyWhite - 41.48%
Public School Majority Race/EthnictyHispanic - 44.11%

91739 Race/Ethnicty Breakdown

Native American1240.26%
Hawaiian/Pac. Islander1360.29%

91739 Public School Race/Ethnicty Breakdown

Native American230.24%
Hawaiian/Pac. Islander370.38%

91739 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College1,4907.36%
Bachelor Degree3,97919.64%
High School Diploma3,92019.35%
No High School Diploma2691.33%
GED or Alternate4682.31%
1 or More Years of College4,80223.71%
Associates Degree1,8299.03%
Masters Degree2,15010.61%
Professional Degree8334.11%
Doctorate Degree5152.54%

91739 Geography

Adjacent ZIP Codes
Cities/Towns in 91739
RegionMetro Los Angeles
Metropolitan/Micropolitan Stat AreaRiverside-San Bernardino-Ontario, CA
Time ZonePacific Daylight Time
IANA TimezoneAmerica/Los_Angeles
Area14 Square Miles

91739 Politics

US Congressional Districts in 91739
California State Senate Districts in 91739
California State Assembly Districts in 91739

91739 Weather and Climate Data

Plant Hardiness ZoneZone 10a: 30F to 35F
Average First Frost DateDecember 11 - 20
Average Last Frost DateFebruary 1 - 10
Koppen-Geiger Climate ZoneCsa - Hot-Summer Mediterranean Climate

91739 Annual Climate Data

Avg Min Temp (°F)42444446505559605852464150
Avg Max Temp (°F)65676974788693938980716678
Avg Precip (In.)3.923.963.

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