PlainZIP

Rancho Cucamonga, CA · standard

ZIP Code 91739

San Bernardino County, California - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

34,794
457/sq mi
$143,265
Median income
$895,000
Median home value
44.5%
Bachelor's or higher

The verdict

Rancho Cucamonga pairs a top-decile household income with top-decile home values, in a low-density, homeowner-dominated area.

Top 5%
household income, US ZIPs
Top 3%
home value, US ZIPs
457
people per sq mi
72%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 91739 against every reporting US ZIP.

ZIP code 91739 is a densely settled ZIP (a standard USPS delivery area) in Rancho Cucamonga, San Bernardino County, California, with 34,794 residents across 76.1 square miles, a density of 457 people per square mile, in the Los Angeles time zone.

ZIP 91739 skews affluent, with a median household income of $143,265 (41% above the California average), while per-capita income is $51,916. Local economic indicators show a 7.0% poverty rate alongside 6.0% unemployment. Housing costs here run $895,000 for a typical home value (16% above the state average), with rent averaging $2,535 a month; 72.3% of homes are owner-occupied.

A solid share of residents have a four-year degree: 44.5% of adults hold a bachelor's degree or higher, the median age is 37.6, and the average commute is 33 minutes. Beyond these figures, 10 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing San Bernardino County, letting you compare 91739 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 91739

Top 5 sectors by establishment count in Rancho Cucamonga, CA

Which industries have the most business establishments in ZIP 91739.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 91739, Rancho Cucamonga, CA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

34,794

Population

76.1

Area (sq mi)

457

People / sq mi

Los Angeles

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 91739?

37.6

Median Age

54.3%

Male

45.7%

Female

23.3%

Foreign-Born

White 37.0%
African American 9.2%
Asian 20.5%
American Indian or Alaska Native 1.8%
Native Hawaiian or Pacific Islander 0.4%
Two or More Ethnicities 17.4%
Hispanic or Latino 34.5%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$143,265

Median Household Income

+41% vs state

$51,916

Per Capita Income

7.0%

Poverty Rate

6.0%

Unemployment Rate

32.6 min

Mean Commute Time

How ZIP 91739 ranks nationally

Rancho Cucamonga, CA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$143,265 Top 5% higher than 95% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Below this entry. $140,000–$160,000: 686 US ZIPs (2%). This entry sits in this band. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 62.0%
Bachelor's Degree or Higher 44.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

12,512

Total Housing Units

11,990

Occupied Units

522

Vacant Units

3.26

Avg Household Size

Occupancy Type

Owner 72.3%
Renter 27.7%

$895,000

Median Home Value

+16% vs state

$2,535

Median Rent

2002

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+7.5%

YoY Change (2024)

385

HPI Index (2000 = 100)

+285%

Total Change Since 2000

Home values in ZIP 91739 have increased 7.5% over the past year (2024). Since 2000, this ZIP has seen +285% cumulative appreciation.

Year Annual Change HPI Index
2020 +1.3% 260
2021 +12.6% 293
2022 +16.4% 341
2023 +5.3% 359
2024 +7.5% 385

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 961 business establishments in ZIP 91739, employing approximately 11,454 people with a combined annual payroll of $446,939,000.

961

Businesses

11,454

Employees

$446.9M

Annual Payroll

15

Industry Sectors

Industry Establishments % of Total
Retail trade 154 16.0%
Health care and social assistance 129 13.4%
Accommodation and food services 109 11.3%
Transportation and warehousing 99 10.3%
Professional, scientific, and technical services 97 10.1%
Construction 85 8.8%
Real estate and rental and leasing 65 6.8%
Other services (except public administration) 61 6.3%
Wholesale trade 52 5.4%
Administrative and support and waste management and remediation services 29 3.0%
Finance and insurance 27 2.8%
Information 17 1.8%
Educational services 14 1.5%
Manufacturing 10 1.0%
Arts, entertainment, and recreation 10 1.0%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 91739 vs 91737 →

ZIP 91739 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 91739 ranks #7 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 91739 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 91739 ranks #2 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
91737 Rancho Cucamonga, CA 24,740 3.6 mi
92336 Fontana, CA 88,419 3.5 mi
92358 Lytle Creek, CA 707 6.1 mi
91701 Rancho Cucamonga, CA 38,976 5.2 mi
92377 Rialto, CA 19,989 6.6 mi
91730 Rancho Cucamonga, CA 66,925 6.0 mi
92335 Fontana, CA 95,397 6.5 mi
92337 Fontana, CA 37,849 8.8 mi
91784 Upland, CA 25,938 8.3 mi
92407 San Bernardino, CA 56,689 7.9 mi

More ZIP Codes in San Bernardino County

92335 standard
Fontana, CA
Pop: 95,397
92336 standard
Fontana, CA
Pop: 88,419
92376 standard
Rialto, CA
Pop: 81,516
91710 standard
Chino, CA
Pop: 80,358
92345 standard
Hesperia, CA
Pop: 78,715
91709 standard
Chino Hills, CA
Pop: 74,796

Related Areas

San Bernardino County Rancho Cucamonga, CA California

Frequently Asked Questions

What county is ZIP code 91739 in? ▼
ZIP code 91739 (Rancho Cucamonga) is located in San Bernardino County, California. San Bernardino County contains multiple ZIP codes, see the full list at /counties/san-bernardino-ca.
What is the population of ZIP code 91739? ▼
ZIP code 91739 in Rancho Cucamonga, CA has a population of 34,794 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 91739? ▼
The median household income in ZIP 91739 is $143,265, which is 88% above the national average of $76,288.
What is the average home value in ZIP 91739? ▼
The median home value in ZIP 91739 is $895,000, which is 222% above the national average of $278,155.
What is the demographic makeup of ZIP 91739? ▼
The largest racial group in ZIP 91739 is White at 37.0%. Hispanic or Latino residents make up 34.5% of the population.
How many businesses are in ZIP code 91739? ▼
ZIP code 91739 has 961 business establishments employing approximately 11,454 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 91739? ▼
The top industries by establishment count in ZIP 91739 are: Retail trade (154), Health care and social assistance (129), Accommodation and food services (109). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 91739? ▼
According to the FHFA House Price Index, home values in ZIP 91739 increased by 7.5% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 285%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 91739? ▼
In ZIP code 91739, 62.0% of residents aged 25+ have a high school diploma or higher, and 44.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 91739? ▼
The mean commute time for workers in ZIP code 91739 is 32.6 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 91739? ▼
In ZIP code 91739, approximately 72.3% of occupied housing units are owner-occupied and 27.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 91739? ▼
The poverty rate in ZIP code 91739 is 7.0% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.