Allegany

Source:

Maryland

Allegany is a county in Maryland with 15 ZIP codes and a total population of 77,252. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.

Allegany is a county inside Maryland (FIPS code 24001) that contains 15 USPS ZIP codes covering a combined population of 77,252 according to Census ACS 5-Year Estimates. Counties are the natural bridge between state-level summaries and ZIP-level detail — crime statistics, HUD Fair Market Rents, and childcare pricing are all published at the county level, while household income and housing values are published at the ZIP level. This page reconciles the two views so you can see which ZIPs drive the county totals.

The 15 ZIPs listed below are ordered by population and each links to the full ZIP detail page with Census demographics, housing, income, home-price history, and cross-agency inputs. The most populated ZIP in Allegany is 21502 covering Cumberland with 44,400 residents at 191 people per square mile. Population density across ZIPs in this county varies — use the density column to spot urban cores versus rural delivery areas. A single county can contain both a dense downtown ZIP and a large rural ZIP covering several hundred square miles.

Because Allegany uses FIPS code 24001, it joins cleanly to county-level federal datasets: HUD Fair Market Rent tables, FBI Uniform Crime Report data, and the Department of Labor National Database of Childcare Prices all key off the same code. That is how neighborhood scorecards combine ZIP-level Census demographics with county-level safety and affordability metrics. All data on this page comes from U.S. Census Bureau ACS 2023 5-Year Estimates and USPS ZIP Code Tabulation Area files — no estimates, no proprietary sources, no editorial scoring.

15

Total ZIPs

77,252

Total Population

ZIP Codes in Allegany

Side-by-side: Compare 21502 vs 21532 →

ZIP Code City Population Density
21502 Cumberland 44,400 191
21532 Frostburg 15,620 78
21562 Westernport 3,141 42
21539 Lonaconing 2,819 31
21545 Mount Savage 1,940 52
21555 Oldtown 1,936 7
21557 Rawlings 1,895 27
21530 Flintstone 1,591 11
21521 Barton 1,265 21
21766 Little Orleans 700 7
21529 Ellerslie 631 67
21524 Corriganville 626 70
21542 Midland 483 272
21543 Midlothian 140 40
21540 Luke 65 93

What are common questions about ZIP codes in this county?

What is the population of Allegany?
Allegany has a total population of 77,252 across 15 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Allegany?
Allegany includes 15 ZIP codes: 21502, 21532, 21562, 21539, 21545, 21555, 21557, 21530, 21521, 21766, and more.
What is the median household income in Allegany?
Median household income data for individual ZIP codes in Allegany is available on each ZIP code's detail page. Visit any ZIP code link below to see income, housing, and demographic data.

Source: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023). Verify with Census Bureau →

Source: HUD USPS Crosswalk (ZIP-to-county mapping). Verify with HUD →

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.