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 High-density area
- $143,265
- Median income Above-median income area
- $895,000
- Median home value Above-median home value
- 44.5%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 91739 (Rancho Cucamonga, CA) rose +7.5% from 2023 to 2024. The all-transactions index moved from 358.6 in 2023 to 385.3 in 2024 (2000 = 100).
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 average California ZIP), while per-capita income is $51,916. The poverty rate is 7.0%, with unemployment at 6.0%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $895,000 (16% above the average California ZIP), while 72.3% of occupied homes are owner-occupied and median rent is $2,535.
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. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in San Bernardino County, so 91739 can be compared with both its immediate and county-level context.
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.
- Retail trade
Retail trade
154 establishments
- Health care and social assistance
Health care and social assistance
129 establishments
- Accommodation and food services
Accommodation and food services
109 establishments
- Transportation and warehousing
Transportation and warehousing
99 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
97 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, 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
Who lives in ZIP 91739?
37.6
Median Age
54.3%
Male
45.7%
Female
23.3%
Foreign-Born
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 ZIP avg
$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
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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
12,512housing units
12,512
Total Housing Units
11,990
Occupied Units
522
Vacant Units
3.26
Avg Household Size
Occupancy Type
$895,000
Median Home Value
+16% vs state ZIP avg
$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.
- 92335
Fontana (92335)
95,397 residents
- 92336
Fontana (92336)
88,419 residents
- 91730
Rancho Cucamonga (91730)
66,925 residents
- 92407
San Bernardino (92407)
56,689 residents
- 91701
Rancho Cucamonga (91701)
38,976 residents
- 92337 37,849
Fontana (92337)
37,849 residents
- 91739 34,794
Rancho Cucamonga (91739)
34,794 residents
- 91784 25,938
Upland (91784)
25,938 residents
- 91737 24,740
Rancho Cucamonga (91737)
24,740 residents
What this shows Among its immediate neighbors, ZIP 91739 ranks #7 by population - useful context the national average alone can't give.
ZIP 91739 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 91784
Upland (91784)
$154,349 median income
- 91739
Rancho Cucamonga (91739)
$143,265 median income
- 92336
Fontana (92336)
$123,363 median income
- 91737
Rancho Cucamonga (91737)
$122,334 median income
- 92377
Rialto (92377)
$116,223 median income
- 91701
Rancho Cucamonga (91701)
$114,244 median income
- 92337
Fontana (92337)
$107,678 median income
- 92407
San Bernardino (92407)
$94,032 median income
- 91730
Rancho Cucamonga (91730)
$92,237 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.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 91739, both outside CA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (34,794 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in San Bernardino County
Related Areas
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.
Related
Take this with you
What to do with ZIP 91739's numbers, next.
- See how ZIP 91739 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Rancho Cucamonga, CA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.