ZIP Code 91739 Demographics & Data

Rancho Cucamonga, CA (ZIP Code 91739) Data

California

In-depth Statistics and Demographics About 91739

The ZIP Code 91739 is associated with the city of Rancho Cucamonga in California in San Bernardino County. In this California region, an estimated 94.1% hold a high school degree or higher, and the per capita income is approximately $42,027. An estimated 3% of the population in this ZIP lives below the poverty line, while the median househould income is $112,790. The current population estimate is 39,875.

Population in 91739

The most recent population estimate for ZIP Code 91739 is 39,875.

Rancho Cucamonga, CA

The 91739 ZIP Code is associated with Rancho Cucamonga, CA in San Bernardino County.

Area Codes associated with 91739

Telephone area codes associated with ZIP Code 91739 include 909.

Sunrise / Sunset in 91739

Sunrise: 6:31 am
Sunset: 7:14 pm
Sunrise in 91739 6:31 am
Sunrise in 91739 7:14 pm

Weather forecast for 91739

Tonight's forecast for 91739: Mostly cloudy, with a low around 61. Southwest wind around 0 mph.

Current air quality in 91739

Air quality: Moderate Air quality scale in 91739 Moderate

Internet in 91739

In ZIP Code 91739, an estimated 98.9% of households have a computer, while 96.8% have broadband Internet service.

Gender in 91739

In ZIP Code 91739, the gender split is approximately 50.1% female and an estimated 49.9% male.

Health Insurance in 91739

Approximately 8.4% of adults aged 18 to 64 in ZIP Code 91739 (Rancho Cucamonga, CA) are currently uninsured and do not have health insurance.

Income in ZIP Code 91739

The median household income in ZIP Code 91739 is $112,790, while the region's mean household income is $140,150. Breaking income down further, per capita income in the region is $42,027. The per capita income in ZIP Code 91739 of $42,027 is approximately 13.72% more than the per capita income in California overall of $36,955. An estimated 3.4% of the population is living below the poverty line in this region. This rate is approximately 64.21% lower than the overall poverty rate in the U.S. of 9.5%. Regarding household income, approximately 24.8% of the population in 91739 earn $100,000 to $149,999 per year, while an estimated 19.5% earn $200,000 or more per year, and 1.5% of 91739 residents earn $10,000 to $14,999 per year.

Household Income Details

Bar chart displaying household income in ZIP Code 91739. This visualizes the percentage of households in this region that fall within different income ranges, e.g. $100,000 to $149,999 per year.

Total Income in 91739

Household Income Percent
Less than $10,000 per year 1.9%
$10,000 to $14,999 per year 1.5%
$15,000 to $24,999 per year 4.8%
$25,000 to $34,999 per year 3.4%
$35,000 to $49,999 per year 5.7%
$50,000 to $74,999 per year 9.4%
$75,000 to $99,999 per year 13.9%
$100,000 to $149,999 per year 24.8%
$150,000 to $199,999 per year 15.1%
$200,000 or more per year 19.5%

Education levels in ZIP Code 91739

In ZIP Code 91739, 94.1% of the population graduated high school, while 46.4% have a bachelor's degree or higher. In this region, 1.7% achieved an education level less than 9th grade, while 20.6% hold a graduate or professional degree. Approximately 16.2% in this San Bernardino County region reached the highest level of high school graduate (including equivalency).

Education Attained in 91739

Education Level Percent
Less than 9th grade 1.7%
9th to 12th grade, no diploma 4.2%
High school graduate (includes equivalency) 16.2%
Some college, no degree 22.6%
Associate's degree 8.8%
Bachelor's degree 25.8%
Graduate or professional degree 20.6%

Education Level Details

Pie chart displaying the education level breakdown in ZIP Code 91739. This visualizes the percentage of the population that has attained a specific level of education, e.g. a graduate or professional degree.

Race & Ethnicity in ZIP Code 91739

Looking at race in the population that makes up ZIP Code 91739, 93.9% is one race, while 6.1% are two or more races. Approximately 36.6% of 91739 residents are hispanic or Latino (of any race). The most common race in 91739 (race alone or in combination with one or more other races), is White (56.6%), followed by Asian (23.6%) .

Race Breakdown Details

Bar chart displaying the racial composition of ZIP Code 91739. This visualizes the percentage of the population of each race (race alone or in combination with one or more other races).

Racial Composition of 91739

Industry Percent
White 56.6%
Black or African American 13.3%
American Indian and Alaska Native 1.5%
Asian 23.6%
Native Hawaiian and Other Pacific Islander 0.3%
Some other race 11.6%
* Race alone or in combination with one or more other races

Real Estate & Housing in ZIP Code 91739

The median home value in ZIP Code 91739 in January 2025 comes in at $986,666. The January 2025 value is approximately 1% higher than the $974,173 median value in August 2024, and 6% higher than the $935,034 median value in February 2024. Regarding the age of homes in ZIP Code 91739, an estimated 49.2% of homes were built between 2000 and 2009. Additionally, 16.0% of homes in the region were built between 1980 and 1989, while an estimated 0.1% of homes were built in 1939 or earlier in this San Bernardino County region.

Home Values in 91739

Month Home value
Jan 2025 $986,666
Dec 2024 $986,544
Nov 2024 $984,481
Oct 2024 $980,650
Sep 2024 $977,540
Aug 2024 $974,173
Jul 2024 $970,780
Jun 2024 $964,906
May 2024 $957,823
Apr 2024 $948,984
Mar 2024 $940,982
Feb 2024 $935,034

Median Home Values Over Time

Line chart displaying median home values in ZIP Code 91739. This visualizes a recent 12-month span of home values in the region.

Age of Housing in 91739

Year Home Built Percent
Built in 2014 or later 4.0%
Built between 2010 and 2013 8.0%
Built between 2000 and 2009 49.2%
Built between 1990 and 1999 14.8%
Built between 1980 and 1989 16.0%
Built between 1970 and 1979 4.1%
Built between 1960 and 1969 2.6%
Built between 1950 and 1959 0.3%
Built between 1940 and 1949 1.0%
Built in 1939 or earlier 0.1%

Housing Age Breakdown

">Bar chart displaying the breakdown on housing ages in ZIP Code 91739. This visualizes the percentage of homes in the region that were built in a certain time frame, e.g. built between 1950 and 1959.

Age Breakdown in ZIP Code 91739

Residents of ZIP Code 91739 are younger than average. The median age of 35.1 years in ZIP Code 91739 is approximately 7.87% lower than the overall median age in the U.S. of 38.1 years. About 74.2% of residents are aged 18 years and older, and 13.5% of residents are 62 years and over. Approximately 15.9% of the population in 91739 falls in the age group 25 to 34 years, while an estimated 14.7% are aged 45 to 54 years. On the low end of the scale, 0.5% of 91739 residents are aged 85 years and over.

Age Breakdown Details

Bar chart displaying the age breakdown in ZIP Code 91739. This visualizes the percentage of the population in the region that falls into certain age ranges, e.g. 35 to 44 years old.

Age Breakdown in 91739

Age Range Percent
Under 5 years 6.8%
5 to 9 years 6.6%
10 to 14 years 8.1%
15 to 19 years 6.5%
20 to 24 years 6.1%
25 to 34 years 15.9%
35 to 44 years 13.1%
45 to 54 years 14.7%
55 to 59 years 6.4%
60 to 64 years 5.5%
65 to 74 years 8.1%
75 to 84 years 1.8%
85 years and over 0.5%

Chronic Health Issues in ZIP Code 91739 [4]

Chronic Health Issues Breakdown

Bar chart displaying a breakdown of chronic health issues in ZIP Code 91739. This visualizes the percentage of adults aged 18 and above that have specific chronic health issues, e.g. high blood pressure, diabetes, or arthritis.

Health Issues in 91739

Health Issue Percent of adults*
* aged 18 & above

Health Risk Behaviors & Prevention in 91739 [4]

One of the top preventative health measures in ZIP Code 91739 is current access to health insurance, as an estimated 91.6% of adults 18 and older take part in this preventive measure. Additionally, % of those 18 and above in 91739 list , as a preventive measure.

Preventative Health in 91739

Preventive Measure Percent of adults*
Current access to health insurance 91.6%
* aged 18 & above

Preventative Health Measures

Bar chart displaying preventative health data in ZIP Code 91739. This visualizes the percentage of adults aged 18 and above that engage in preventative health measures, e.g. sholesterol screenings and visits to doctors for routine checkups.

Health Risk Behaviors Details

Bar chart displaying health risk behaviors details in ZIP Code 91739. This visualizes the percentage of adults aged 18 and older that engage in health risk behaviors, e.g. smoking or binge drinking.

Health Risk Behaviors in 91739

Risk Behavior Percent of adults*
* aged 18 & above

Jobs Breakdown in ZIP Code 91739

In 91739, 69.0% of the population is in the labor force. Recent estimates place 7.5% as working from home, while the total labor force in the region has a mean travel to time to work of 33.6 minutes. Approximately 25.5% of the employed population 16 years and over in 91739 work in educational services, and health care and social assistance, while an estimated 12.5% work in professional, scientific, management, and administrative. On the lower end of the scale, just 0.2% of 91739 workers 16 years and over work in agriculture, forestry, fishing and hunting, and mining.

Job Industry Breakdown Details

Bar chart displaying job industry breakdown details for ZIP Code 91739. This visualizes the percentage of the population 16 years and over that work in certain industries, e.g. educational services, and health care and social assistance.

Job Industry Breakdown in 91739

Industry Percent
Agriculture, forestry, fishing and hunting, and mining 0.2%
Construction 4.5%
Manufacturing 9.0%
Wholesale trade 2.1%
Retail trade 10.1%
Transportation and warehousing, and utilities 5.2%
Information 0.8%
Finance and insurance, and real estate and rental and leasing 8.9%
Professional, scientific, management, and administrative 12.5%
Educational services, and health care and social assistance 25.5%
Arts, entertainment, and recreation, and accommodation and food services 8.2%
Other services, except public administration 5.7%
Public administration 7.1%

Language Breakdown in ZIP Code 91739

In ZIP Code 91739, 61.5% of the population lists "English only" as the language spoken in home, while 19.7% of lists Spanish. Additionally, Asian and Pacific Islander languages are spoken in 5.9% of homes, and other Indo-European languages are spoken in 11.2% of homes. Lastly, 1.7% of homes list "other languages" as spoken in the home. All percentages referenced are for the population 5 years and older in this San Bernardino County region.

Language Spoken in 91739

Language Spoken Percent
English only 61.5%
Spanish 19.7%
Other Indo-European languages 5.9%
Asian and Pacific Islander languages 11.2%
Other languages 1.7%
* Population 5 years and over

Language Spoken in Home

Bar chart displaying the language spoken in homes in ZIP Code 91739. This visualizes the percentage of homes in the area that list a specific language as being spoken in the home, e.g. Spanish.

Utilities in ZIP Code 91739 [6]

Regarding solar power potential, ZIP Code 91739 has an average daily solar radiation level of 6.27 kWh/m2/day. This is approximately 52.18% greater than an area in the U.S. with historically low solar radiation levels (WA), and about 4.86% less than an area in the U.S. with historically high solar radiation levels (AZ).

Electricity Breakdown Details

Bar chart displaying the electricity rates breakdown in ZIP Code 91739. This visualizes electricity rates in 91739 compared to rates in the state and rates in the U.S. as a whole.

Electricity Rates in 91739

Region Residential Commercial Industrial
ZIP Code 91739 15.98¢/kWh 11.81¢/kWh 8.16¢/kWh
California 30.29¢/kWh 23.13¢/kWh 19.11¢/kWh
United States 17.45¢/kWh 13.64¢/kWh 9.29¢/kWh

Solar Power in 91739

Month ZIP Code 91739 Low (WA) High (AZ)
Jan 5.39 1.9 5.84
Feb 5.56 3 6.31
Mar 6.43 3.65 7.02
Apr 6.33 5.13 7.3
May 6.07 5.17 7.13
Jun 6.62 5.72 6.95
Jul 6.94 6.22 6.51
Aug 7.42 6.08 6.65
Sep 7.2 5.15 7.02
Oct 6.35 3.32 6.92
Nov 5.75 2.33 5.99
Dec 5.17 1.78 5.46
All figures listed are kWh/m2/day — kilowatt hours per square meter per day

Solar Radiation Levels

Line chart displaying solar radiation levels in ZIP Code 91739. This visualizes solar power levels in 91739 compared to radiation levels in both a historically low radiation state (WA) and a historically high radiation state (AZ).

Notes

  • [4] Health data referenced here originate from the Centers for Disease Control and Prevention (CDC).
  • [5] Consumer financial product complaint data referenced here originate from the Consumer Financial Protection Bureau.
  • [6] Electricity rates and electricity usage data referenced here originate from the National Renewable Energy Laboratory (NREL) and/or the U.S. Energy Information Administration (EIA). Estimates utilize regional U.S. Census Bureau data along with regional NREL and/or EIA data.