ZIP code
91784
Upland, CA
91784 covers Upland in San Bernardino County, with 26,900 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 91784. Methodology
ZIP code map of 91784

About ZIP code 91784
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 91784. Not ACS. Methodology
People in 91784
Race
- White15,267
- Black or African American1,000
- American Indian or Alaska Native197
- Asian3,602
- Native Hawaiian and Pacific Islander38
- Other race2,400
- Two or more races4,214
Hispanic or Latino (any race): 7,329
Age
- Under 102,413
- 10 to 193,102
- 20 to 292,643
- 30 to 392,700
- 40 to 493,177
- 50 to 594,067
- 60 to 694,257
- 70 to 792,930
- 80 and older1,429
Income and housing in 91784
Education
- High school graduate95.6%
- Bachelor's degree48.7%
- Graduate degree21.3%
Places covering 91784
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.
- Upland87.1%
- San Antonio Heights12.9%
- Rancho Cucamonga0.0%
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
Population history for 91784
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 26,225 | |
| 2006 | 25,188 | |
| 2007 | 25,640 | |
| 2008 | 25,192 | |
| 2009 | 25,070 | |
| 2010 | 25,223 | |
| 2011 | 27,285 | 25,363 |
| 2012 | 26,457 | 25,260 |
| 2013 | 26,464 | 25,300 |
| 2014 | 26,034 | 25,300 |
| 2015 | 26,140 | 25,500 |
| 2016 | 25,999 | 25,530 |
| 2017 | 25,908 | 25,550 |
| 2018 | 25,567 | 25,490 |
| 2019 | 26,090 | 25,670 |
| 2020 | 26,296 | 25,910 |
| 2021 | 26,330 | 26,150 |
| 2022 | 26,116 | 26,050 |
| 2023 | 26,900 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 91784
12 nearest ZIP centroids (any distance)
- 91786Upland2.5 miPop 55,519 · Income $86,961
- 91701Rancho Cucamonga3.2 miPop 38,597 · Income $113,576
- 91711Claremont3.5 miPop 37,538 · Income $121,970
- 91737Rancho Cucamonga4.5 miPop 22,797 · Income $116,903
- 91730Rancho Cucamonga5.1 miPop 71,692 · Income $89,654
- 91763Montclair5.4 miPop 37,515 · Income $77,627
- 91764Ontario5.4 miPop 55,412 · Income $75,605
- 91762Ontario5.7 miPop 63,656 · Income $76,289
- 91767Pomona6.2 miPop 50,308 · Income $80,201
- 91750La Verne6.4 miPop 33,267 · Income $104,827
- 91758Ontario7.1 miPop — · Income —
- 91739Rancho Cucamonga8.0 miPop 41,722 · Income $141,475
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 91784, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 91784 FAQ
- What city is ZIP code 91784 in?
- 91784 is in Upland, CA.
- What county is 91784 in?
- 91784 is in San Bernardino County.
- What is the median household income in 91784?
- The median household income in 91784 is $157,118.
- Which ZIP codes are near 91784?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 91784.