PlainZIP

Rancho Cucamonga, CA

Single-footprint Census roll-up for Rancho Cucamonga, CA: 4 USPS ZIPs, population 165,435. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet RANCHO-CUCAMONGA-CA · Rancho Cucamonga, CA 4 ZIPs · 165,435 pop · #2352/25278 · San Bernardino County

INC-TOP · RANK-TOP · BELOW-PEER · BOOK-FEW · OWN-MID · POP-MID · SPREAD-MOD · HOME-TOP

  • INC-TOP $118,020
  • RANK-TOP #2352/25278
  • BELOW-PEER under Upland
  • BOOK-FEW 4 ZIPs
  • OWN-MID 67% owners
  • POP-MID 165,435
  • SPREAD-MOD 91730→91739
  • HOME-TOP $796,250

Nearest income peer: Upland, CA (+ $5,384 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Rancho Cucamonga

Lowest/highest poles plus county-sharing cities nearest Rancho Cucamonga on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Rancho Cucamonga, CA sits among US cities with a top-decile household income, on a mid-size population base, across a handful of delivery areas.

Top 9%
household income vs 25,278 US cities
165,435
city population (Census)
4
USPS ZIP codes covered
$118,020
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

High-income footprint on only 4 ZIPs: the city page and the ZIP page nearly coincide. Headline income $118,020 and home value $796,250 should be read as near-neighborhood numbers ; bachelor's attainment averages 38.9%.

Owner-occupancy sits in a mixed band (67.0%) - check the ZIP page's tenure split before treating Rancho Cucamonga as a pure owner town.

Within California, Loomis is the closest lower-income city and Pismo Beach the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Rancho Cucamonga.

Within-city ZIP comparison

Where the ZIP codes inside Rancho Cucamonga differ

Income is the clearest internal divide in Rancho Cucamonga. ZIP 91730 reports $92,237 in median household income, while ZIP 91739 reports $143,265. The city average sits between those published endpoints, so it is a starting point rather than a substitute for the ZIP records.

Income high-to-low ratio
1.6×

91730 to 91739

Home-value high-to-low ratio
1.5×

91730 to 91739

Poverty-rate spread
5.6 points

91701 to 91730

Derived from the published ACS 2023 ZIP-level records shown on this site. A high-to-low ratio compares the highest and lowest available ZIP values; it is not a score or forecast.

Population concentration

Rancho Cucamonga residents split across a short ZIP set

No ZIP owns Rancho Cucamonga: the largest, 91730, is only about 40% of 165,435 residents across 4 codes. Compare at least two ZIPs before treating the city roll-up as a neighborhood answer.

Census ZBP business roll-up

Employer-heavy short list in Rancho Cucamonga

Citywide ZBP: 5,307 establishments, 69,996 employees , annual payroll $3,945,861k (~32 establishments per 1,000 residents) across 4 of 4 ZIPs. Peak business ZIP 91730 (3,311 units) ; leading NAICS Health care and social assistance (733) · also Professional, scientific, and technical services · Retail trade .

View your shortlist →

ZIP Codes in Rancho Cucamonga, CA

These ZIP codes sit in San Bernardino County, which covers 89 ZIP codes in all; 4 of them fall in Rancho Cucamonga. See the San Bernardino County roll-up →

Rancho Cucamonga sits in the upper half of San Bernardino County on income: San Bernardino, Fontana and Ontario report less, while Upland and Chino Hills report more. San Bernardino marks the far end of that range at $61,590, 48% below Rancho Cucamonga.

Side-by-side: Compare 91730 vs 91701 →

ZIP Code Population Median income Establishments Density
91730 66,925 $92,237 3,311 1,784
91701 38,976 $114,244 642 2,065
91739 34,794 $143,265 961 457
91737 24,740 $122,334 393 1,140
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Rancho Cucamonga roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Rancho Cucamonga, .