PlainZIP

California, MD

Single-footprint Census roll-up for California, MD: 1 USPS ZIP, population 10,503. 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 CALIFORNIA-MD · California, MD 1 ZIPs · 10,503 pop · #2235/25278 · St. Mary's County

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

  • INC-TOP $119,432
  • RANK-TOP #2235/25278
  • PHOTO-FINISH ≈ Avenue
  • BOOK-ONE 1 ZIP
  • OWN-LOW 65% owners
  • POP-TOWN 10,503
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $376,800

Nearest income peer: Avenue, MD ( $1,330 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 California

Lowest/highest poles plus county-sharing cities nearest California 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, California, MD sits among US cities with a top-decile household income, on a town-scale population base, across a single-ZIP footprint.

Top 9%
household income vs 25,278 US cities
10,503
city population (Census)
1
USPS ZIP codes covered
$119,432
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 $119,432 and home value $376,800 should be read as near-neighborhood numbers ; bachelor's attainment averages 50.2%.

Owner-occupancy is comparatively low (64.5%) for this income tier, rent $2,129 may matter more than the home-value average.

Within Maryland, Saint Leonard is the closest lower-income city and Wye Mills the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for California.

Population concentration

California's single ZIP 20619 carries the town

California is published as a single USPS ZIP. Code 20619 is the entire residential footprint (10,503 ACS residents), so the city page and the ZIP page tell the same household story, open that ZIP for income, tenure, and commute detail.

Census ZBP business roll-up

Dense ZBP book packed into California's one ZIP

Citywide ZBP: 352 establishments, 8,144 employees , annual payroll $454,335k (~34 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 20619 (352 units) ; leading NAICS Retail trade (75) · also Professional, scientific, and technical services · Accommodation and food services .

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ZIP Codes in California, MD

These ZIP codes sit in St. Mary's County, which covers 25 ZIP codes in all; 1 of them fall in California. See the St. Mary's County roll-up →

California sits in the lower half of St. Mary's County on income: Leonardtown, Hollywood and Great Mills report more, Lexington Park and Clements report less. Saint Inigoes marks the far end of that range at $180,060, 51% above California.

ZIP Code Population Median income Establishments Density
20619 10,503 $119,432 352 259
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

California 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 California, .