Residential delivery area · California
ZIP Code 91701: Rancho Cucamonga, CA
ZIP code 91701 is in Rancho Cucamonga, California, entirely in San Bernardino County (Census 2020 ZIP-county file). About 39,000 people live there (Census Bureau, ACS 2020-2024), the 3rd most populous of Rancho Cucamonga's 4 residential ZIP codes. Median household income is $114,244 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Rancho Cucamonga · 4 residential ZIPs
- County
- San Bernardino County
- Census places
- Rancho Cucamonga
- Neighborhoods
- Alta Loma, Grapeland GeoNames
- Metro area
- Riverside-San Bernardino-Ontario, CA
- House districts
- CA-28 (53%), CA-33 (47%) 119th Congress, by share of land
- State
- California
- Time zone
- Pacific
- Land area
- 7.4 sq mi · 5,315 people per sq mi
- PO Box ZIPs
- 91729 also use the name Rancho Cucamonga
Where is ZIP code 91701?
91701 centers on 34.138°, -117.600° and covers 7.4 square miles of land. It borders 5 ZIP codes: 91737, 91730, 91784, 91739, 92358.
The map draws ZIP code areas only. For the streets inside 91701, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 91701 compare with the rest of Rancho Cucamonga?
| Measure | 91701 | In Rancho Cucamonga | In San Bernardino County | In CA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 39,287 | 3rd of 4 | 27th of 98 | 393rd of 1,802 |
| Median household income | $114k | 3rd of 4 | 9th of 62 | 409th of 1,189 |
| Median home value | $795k | 3rd of 4 | 6th of 65 | 576th of 1,317 |
Its median household income is higher than in 88% of U.S. residential ZIP codes, and it is denser than 94% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 91701?
The 2020 Census counted 38,778 people in 91701; the ACS, which samples households over 2020-2024, estimates 39,287. Between the 2010 and 2020 censuses its population fell 0.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 39,287
- 2020 Census count
- 38,778−0.5% since 2010 (38,976)
- Households
- 13,054
- Median age
- 42.4
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 91701?
Of the 39,287 people the ACS estimates in 91701, 21.8% are under 18 and 19.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (38.8%), then Hispanic or Latino (36.8%).
- Under 1821.8%
- 18 to 6458.9%
- 65 and older19.4%
- White, not Hispanic38.8%
- Hispanic or Latino36.8%
- Asian, not Hispanic13.1%
- Black, not Hispanic5.9%
- Other or two or more5.4%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 91701 earn?
Median household income is $114,244 (ACS 2020-2024), the 9th highest of the 62 ranked ZIP codes in San Bernardino County. It fell from $123,832 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $114,244
- Income per person
- $49,347
- Below the poverty line
- 4.6%
- Unemployed (of the labor force)
- 5.0%
- Adults 25+ with a bachelor's degree
- 37.1%
- Adjusted gross income per tax return, 2022
- $93,12218,880 returns; wages 71% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 91701?
FHFA's house price index for 91701, built from repeat sales and appraisals of the same homes, rose 87% from 2015 to 2025 and rose 50% from 2020 to 2025, and moved +2.0% in 2025.
- Median home value (owners' estimate)
- $795,300
- Median gross rent
- $2,416
- Homes owned by their occupants
- 77.5%
- Housing units
- 13,370
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 91701?
642 business establishments had a location in this ZIP code in 2023, 120 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction106
- Professional, scientific, and technical services68
- Health care and social assistance68
- Retail trade65
- Other services (except public administration)61
- Transportation and warehousing56
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 91701?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 91737 | Rancho Cucamonga | 22,958 | $122k | 1.7 mi |
| 91730 | Rancho Cucamonga | 71,613 | $92k | 2.8 mi |
| 91784 | Upland | 26,886 | $154k | 3.2 mi |
| 91739 | Rancho Cucamonga | 41,673 | $143k | 4.9 mi |
| 92358 | Lytle Creek | 672 | $86k | 7.7 mi |
| 91786 | Upland | 55,829 | $93k | 4.2 mi (near) |
| 91764 | Ontario | 56,270 | $82k | 4.4 mi (near) |
| 91711 | Claremont | 37,529 | $126k | 6.6 mi (near) |
| 91762 | Ontario | 64,235 | $84k | 6.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.