ZIP code
91737
Rancho Cucamonga, CA
91737 covers Rancho Cucamonga in San Bernardino County, with 22,797 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 91737. Methodology
ZIP code map of 91737

About ZIP code 91737
Acceptable cities: Alta Loma, Rch Cucamonga
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 91737. Not ACS. Methodology
People in 91737
Race
- White12,148
- Black or African American1,699
- American Indian or Alaska Native196
- Asian3,672
- Native Hawaiian and Pacific Islander48
- Other race2,807
- Two or more races3,998
Hispanic or Latino (any race): 7,698
Age
- Under 102,598
- 10 to 193,347
- 20 to 292,904
- 30 to 392,812
- 40 to 493,162
- 50 to 593,611
- 60 to 693,487
- 70 to 791,864
- 80 and older783
Income and housing in 91737
Education
- High school graduate94.3%
- Bachelor's degree41.0%
- Graduate degree15.2%
Places covering 91737
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Rancho Cucamonga99.8%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- San Bernardino County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
0.2% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 91737
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 23,558 | |
| 2006 | 22,539 | |
| 2007 | 23,175 | |
| 2008 | 22,831 | |
| 2009 | 22,704 | |
| 2010 | 23,117 | |
| 2011 | 24,872 | 23,062 |
| 2012 | 24,254 | 23,000 |
| 2013 | 24,138 | 22,810 |
| 2014 | 24,759 | 22,620 |
| 2015 | 25,619 | 22,500 |
| 2016 | 25,508 | 22,330 |
| 2017 | 25,759 | 22,500 |
| 2018 | 25,339 | 22,380 |
| 2019 | 25,154 | 22,580 |
| 2020 | 24,064 | 22,720 |
| 2021 | 23,790 | 22,240 |
| 2022 | 23,108 | 21,960 |
| 2023 | 22,797 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 91737
12 nearest ZIP centroids (any distance)
- 91701Rancho Cucamonga1.7 miPop 38,597 · Income $113,576
- 91739Rancho Cucamonga3.5 miPop 41,722 · Income $141,475
- 91730Rancho Cucamonga3.8 miPop 71,692 · Income $89,654
- 91784Upland4.5 miPop 26,900 · Income $157,118
- 91764Ontario5.8 miPop 55,412 · Income $75,605
- 91786Upland5.9 miPop 55,519 · Income $86,961
- 92358Lytle Creek6.3 miPop 712 · Income $92,772
- 92336Fontana6.9 miPop 103,393 · Income $121,989
- 91758Ontario7.4 miPop — · Income —
- 92335Fontana8.0 miPop 95,295 · Income $75,198
- 91711Claremont8.0 miPop 37,538 · Income $121,970
- 91761Ontario8.3 miPop 62,506 · Income $97,396
ZIP centroids within 2 miles
| ZIP | City | State | Distance (miles) | ACS population | Median income |
|---|---|---|---|---|---|
| 91701 | Rancho Cucamonga | CA | 1.7 mi | 38,597 | $113,576 |
ZIPs within 2 miles of this place
Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.
ZIP code 91737 FAQ
- What city is ZIP code 91737 in?
- 91737 is in Rancho Cucamonga, CA.
- What county is 91737 in?
- 91737 is in San Bernardino County.
- What is the median household income in 91737?
- The median household income in 91737 is $116,903.
- Which ZIP codes are near 91737?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 91737.