PlainZIP

Mamaroneck, NY

Single-footprint Census roll-up for Mamaroneck, NY: 1 USPS ZIP, population 20,135. 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 MAMARONECK-NY · Mamaroneck, NY 1 ZIPs · 20,135 pop · #1749/25278 · Westchester County

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

  • INC-TOP $126,417
  • RANK-TOP #1749/25278
  • PHOTO-FINISH ≈ Bronxville
  • BOOK-ONE 1 ZIP
  • OWN-LOW 58% owners
  • POP-TOWN 20,135
  • SPREAD-UNK Single-ZIP book
  • HOME-TOP $729,600

Nearest income peer: Bronxville, NY ( $74 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 Mamaroneck

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

Top 7%
household income vs 25,278 US cities
20,135
city population (Census)
1
USPS ZIP codes covered
$126,417
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 $126,417 and home value $729,600 should be read as near-neighborhood numbers ; bachelor's attainment averages 58.1%.

Owner-occupancy is comparatively low (58.2%) for this income tier, rent $2,165 may matter more than the home-value average.

Within New York, Alder Creek is the closest lower-income city and Averill Park the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Mamaroneck.

Population concentration

Mamaroneck reads through its lone ZIP, 10543

20,135 ACS residents, one ZIP: 10543 is not the leading code inside Mamaroneck, it is the only one on file. Treat the ZIP page as the primary source for anything below the city-wide total.

Census ZBP business roll-up

Dense ZBP book packed into Mamaroneck's one ZIP

Citywide ZBP: 880 establishments, 6,602 employees , annual payroll $396,559k (~44 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 10543 (880 units) ; leading NAICS Construction (108) · also Other services (except public administration) · Health care and social assistance .

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ZIP Codes in Mamaroneck, NY

These ZIP codes sit in Westchester County, which covers 73 ZIP codes in all; 1 of them fall in Mamaroneck. See the Westchester County roll-up →

Mamaroneck lands mid-pack among the 12 cities sharing Westchester County: New Rochelle, Scarsdale and Yorktown Heights earn more and Yonkers, Mount Vernon and Port Chester earn less. Scarsdale marks the far end of that range at $250,000+, 98% above Mamaroneck.

ZIP Code Population Median income Establishments Density
10543 20,135 $126,417 880 1,903
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Mamaroneck 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 Mamaroneck, .