ZIP Code Tabulation Area · California

ZIP Code 91739: Rancho Cucamonga, CA

ZIP Code 91739 (Rancho Cucamonga, San Bernardino County, California) has an estimated 41,673 residents in 11,990 households. The median household income is $143,265, the median home value is $895,000 and the median gross rent is $2,535/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated

Total population

41,673

Margin of error ±1,830

Median household income

$143,265

Margin of error ±$8,448

Median home value

$895,000

Margin of error ±$36,196

Median gross rent

$2,535/mo

Margin of error ±$179

Median age

37.6 yrs

Margin of error ±1.6 yrs

Mean travel time to work

32.6 min

Margin of error ±3.6 min

How ZIP 91739 compares with California and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 9173937.6 yrsCalifornia37.9 yrsUnited States38.9 yrs

Median household income

ZIP 91739$143,265California$99,122United States$80,734

Per capita income

ZIP 91739$51,916California$49,513United States$44,673

Poverty rate

ZIP 917397.0%California12.0%United States12.5%

Unemployment rate

ZIP 917396.0%California6.6%United States5.2%

Bachelor's degree or higher

ZIP 9173944.5%California37.1%United States35.7%

Median home value

ZIP 91739$895,000California$734,700United States$332,700

Median gross rent

ZIP 91739$2,535/moCalifornia$2,036/moUnited States$1,413/mo

Owner-occupied homes

ZIP 9173972.3%California55.9%United States65.2%

Mean travel time to work

ZIP 9173932.6 minCalifornia28.7 minUnited States26.4 min

Worked from home

ZIP 9173916.5%California17.2%United States15.1%

All figures for ZIP 91739

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 91739 — ACS 2020–2024 5-year estimates
MeasureZIP 91739Margin of errorCaliforniaUnited States
Total population41,673±1,83039,287,377334,922,499
Median age37.6 yrs±1.6 yrs37.9 yrs38.9 yrs
Households11,990±45413,548,091129,227,496
Median household income$143,265±$8,448$99,122$80,734
Per capita income$51,916±$2,701$49,513$44,673
Poverty rate7.0%±1.6 pts12.0%12.5%
Unemployment rate6.0%±1.3 pts6.6%5.2%
Bachelor's degree or higher44.5%±2.6 pts37.1%35.7%
Median home value$895,000±$36,196$734,700$332,700
Median gross rent$2,535/mo±$179$2,036/mo$1,413/mo
Owner-occupied homes72.3%±3.0 pts55.9%65.2%
Mean travel time to work32.6 min±3.6 min28.7 min26.4 min
Worked from home16.5%±2.4 pts17.2%15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 91739
GroupZIP 91739CaliforniaUnited States
White alone, not Hispanic or Latino31.6%33.8%57.4%
Black or African American alone, not Hispanic or Latino9.0%5.2%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.0%0.3%0.5%
Asian alone, not Hispanic or Latino20.3%15.3%5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino0.4%0.3%0.2%
Some other race alone, not Hispanic or Latino0.6%0.6%0.6%
Two or more races, not Hispanic or Latino3.6%4.4%4.3%
Hispanic or Latino (of any race)34.5%40.2%19.3%

Where ZIP 91739 is

State
California
Main county
San Bernardino County
Largest overlapping place
Rancho Cucamonga (43% of the ZIP's land area)
Land area
28.42 sq mi· about 1,466 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in San Bernardino County

91701 Rancho Cucamonga, CA91708 Chino, CA91709 Chino Hills, CA91710 Chino, CA91730 Rancho Cucamonga, CA91737 Rancho Cucamonga, CA91761 Ontario, CA91762 Ontario, CA91763 Montclair, CA91764 Ontario, CA91784 Upland, CA91786 Upland, CA92242 Big River, CA92252 Joshua Tree, CA92256 Morongo Valley, CA92268 San Bernardino County, CA92277 San Bernardino County, CA92278 Twentynine Palms, CA92284 Yucca Valley, CA92285 San Bernardino County, CA92301 Adelanto, CA92305 San Bernardino County, CA92307 Apple Valley, CA92308 Apple Valley, CA

See every ZIP code in California, or compare ZIP 91739 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

  • U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
  • U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
  • Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.