PlainZIP

Darlington, MD

Single-footprint Census roll-up for Darlington, MD: 1 USPS ZIP, population 3,387. 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 DARLINGTON-MD · Darlington, MD 1 ZIPs · 3,387 pop · #9974/25278 · Harford County

INC-HIGH · RANK-UPPER · BELOW-PEER · BOOK-ONE · OWN-HIGH · POP-VILLAGE · SPREAD-UNK · HOME-HIGH

  • INC-HIGH $78,047
  • RANK-UPPER #9974/25278
  • BELOW-PEER under Edgewood
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 90% owners
  • POP-VILLAGE 3,387
  • SPREAD-UNK Single-ZIP book
  • HOME-HIGH $401,500

Nearest income peer: Edgewood, MD (+ $3,657 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 Darlington

Lowest/highest poles plus county-sharing cities nearest Darlington 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, Darlington, MD sits among US cities with an above-median household income, on a village-scale population base, across a single-ZIP footprint.

Top 39%
household income vs 25,278 US cities
3,387
city population (Census)
1
USPS ZIP codes covered
$78,047
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 21034 (3,387 residents). Household income $78,047 is the roll-up; open the ZIP for tenure and commute.

Owner-occupancy here runs high (89.8%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within Maryland, Tuscarora is the closest lower-income city and Church Hill the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Darlington.

Population concentration

Darlington reads through its lone ZIP, 21034

3,387 ACS residents, one ZIP: 21034 is not the leading code inside Darlington, 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

Mid-pack ZBP load on Darlington's one ZIP

Citywide ZBP: 80 establishments, 611 employees , annual payroll $37,755k (~24 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 21034 (80 units) ; leading NAICS Construction (21) · also Administrative and support and waste management and remediation services · Retail trade .

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ZIP Codes in Darlington, MD

These ZIP codes sit in Harford County, which covers 20 ZIP codes in all; 1 of them fall in Darlington. See the Harford County roll-up →

Every one of the 12 cities sharing Harford County reports a higher average ZIP median income than Darlington, Bel Air, Abingdon and Edgewood among them. That gap is the county's income spread, not a measure of the housing or commute picture below. Fallston marks the far end of that range at $157,500, 102% above Darlington.

ZIP Code Population Median income Establishments Density
21034 3,387 $78,047 80 52
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Darlington 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 Darlington, .