PlainZIP

Alpine, CA

Single-footprint Census roll-up for Alpine, CA: 1 USPS ZIP, population 17,403. 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 ALPINE-CA · Alpine, CA 1 ZIPs · 17,403 pop · #2674/25278 · San Diego County

INC-TOP · RANK-TOP · PHOTO-FINISH · BOOK-ONE · OWN-MID · POP-TOWN · SPREAD-UNK · HOME-TOP

  • INC-TOP $114,167
  • RANK-TOP #2674/25278
  • PHOTO-FINISH ≈ Santee
  • BOOK-ONE 1 ZIP
  • OWN-MID 75% owners
  • POP-TOWN 17,403
  • SPREAD-UNK Single-ZIP book
  • HOME-TOP $852,000

Nearest income peer: Santee, CA ( $549 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 Alpine

Lowest/highest poles plus county-sharing cities nearest Alpine 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, Alpine, CA sits among US cities with an upper-quartile household income, on a town-scale population base, across a single-ZIP footprint.

Top 11%
household income vs 25,278 US cities
17,403
city population (Census)
1
USPS ZIP codes covered
$114,167
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 1 ZIP: the city page and the ZIP page nearly coincide. Headline income $114,167 and home value $852,000 should be read as near-neighborhood numbers ; bachelor's attainment averages 31.3%.

Owner-occupancy sits in a mixed band (74.8%) - check the ZIP page's tenure split before treating Alpine as a pure owner town.

Within California, Santa Ynez is the closest lower-income city and Roseville the closest higher-income city by average ZIP household income. Their 1 and 3 ZIP footprints are the immediate statewide comparison set for Alpine.

Population concentration

One ZIP, 91901, is all of Alpine

There is no split to weigh here: 91901 holds every one of Alpine's 17,403 ACS residents. City-level and ZIP-level numbers on this site are the same number twice, check the ZIP page for the income/tenure/commute breakdown.

Census ZBP business roll-up

Dense ZBP book packed into Alpine's one ZIP

Citywide ZBP: 450 establishments, 4,802 employees , annual payroll $254,394k (~26 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 91901 (450 units) ; leading NAICS Construction (108) · also Professional, scientific, and technical services · Retail trade .

View your shortlist →

ZIP Codes in Alpine, CA

These ZIP codes sit in San Diego County, which covers 107 ZIP codes in all; 1 of them fall in Alpine. See the San Diego County roll-up →

Alpine sits in the upper half of San Diego County on income: Oceanside, Escondido and El Cajon report less, while Chula Vista and Carlsbad report more. National City marks the far end of that range at $66,426, 42% below Alpine.

ZIP Code Population Median income Establishments Density
91901 17,403 $114,167 450 75
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Alpine 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 Alpine, .