PlainZIP

New Castle, DE

Single-footprint Census roll-up for New Castle, DE: 1 USPS ZIP, population 59,250. 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 NEW-CASTLE-DE · New Castle, DE 1 ZIPs · 59,250 pop · #10960/25278 · New Castle County

INC-HIGH · RANK-MID · PHOTO-FINISH · BOOK-ONE · OWN-MID · POP-SMALL · SPREAD-UNK · HOME-MID

  • INC-HIGH $75,403
  • RANK-MID #10960/25278
  • PHOTO-FINISH ≈ Claymont
  • BOOK-ONE 1 ZIP
  • OWN-MID 68% owners
  • POP-SMALL 59,250
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $265,000

Nearest income peer: Claymont, DE (+ $1,536 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 New Castle

Lowest/highest poles plus county-sharing cities nearest New Castle 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, New Castle, DE sits among US cities with an above-median household income, on a small-city population base, across a single-ZIP footprint.

Top 43%
household income vs 25,278 US cities
59,250
city population (Census)
1
USPS ZIP codes covered
$75,403
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.

Above-median income on a short ZIP list (1) - lead code 19720 (59,250 residents). Household income $75,403 is the roll-up; open the ZIP for tenure and commute.

Owner-occupancy sits in a mixed band (67.6%) - check the ZIP page's tenure split before treating New Castle as a pure owner town.

Within Delaware, Greenwood is the closest lower-income city and Harrington the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for New Castle.

Population concentration

One ZIP, 19720, is all of New Castle

There is no split to weigh here: 19720 holds every one of New Castle's 59,250 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 New Castle's one ZIP

Citywide ZBP: 1,540 establishments, 38,185 employees , annual payroll $2,284,345k (~26 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 19720 (1,540 units) ; leading NAICS Retail trade (226) · also Construction · Other services (except public administration) .

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ZIP Codes in New Castle, DE

These ZIP codes sit in New Castle County, which covers 29 ZIP codes in all; 1 of them fall in New Castle. See the New Castle County roll-up →

New Castle sits in the lower half of New Castle County on income: Wilmington, Newark and Bear report more, and only Port Penn reports less. Hockessin marks the far end of that range at $172,696, 129% above New Castle.

ZIP Code Population Median income Establishments Density
19720 59,250 $75,403 1,540 617
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

New Castle 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 New Castle, .