Residential delivery area · Maryland
ZIP Code 21539: Lonaconing, MD
ZIP code 21539 uses the postal name Lonaconing, Maryland and lies mostly in Garrett County (57% of its land) with the rest in Allegany County (Census 2020 ZIP-county file). About 2,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $57,708 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Lonaconing (1%), Detmold (under 1%) and Nikep (under 1%); 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2020
- ZBP2023
- IRS2022
- Town
- Lonaconing · its only residential ZIP
- County
- Garrett County (57%); Allegany County (43%)
- Census places
- Lonaconing (1%); Detmold (under 1%) census-designated place; Nikep (under 1%) census-designated place
- House district
- MD-6 119th Congress
- State
- Maryland
- Time zone
- Eastern
- Land area
- 37.1 sq mi · 53 people per sq mi
Where is ZIP code 21539?
21539 centers on 39.595°, -79.010° and covers 37.1 square miles of land plus 0.0 of water. It borders 6 ZIP codes: 21542, 21521, 21532, 21562, 21557, 21536.
The map draws ZIP code areas only. For the streets inside 21539, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 21539 compare with the rest of Garrett County?
| Measure | 21539 | In Garrett County | In MD |
|---|---|---|---|
| People (ACS 2020-2024) | 1,975 | 7th of 12 | 313th of 477 |
| Median household income | $58k | 6th of 6 | 282nd of 293 |
| Median home value | $130k | 6th of 7 | 317th of 320 |
Its median household income is higher than in 25% of U.S. residential ZIP codes, and it is denser than 43% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 21539?
The 2020 Census counted 2,536 people in 21539; the ACS, which samples households over 2020-2024, estimates 1,975. Between the 2010 and 2020 censuses its population fell 10.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,975±323 (90% margin)
- 2020 Census count
- 2,536−10.0% since 2010 (2,819)
- Households
- 885
- Median age
- 45.6
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 21539?
Of the 1,975 people the ACS estimates in 21539, 15.6% are under 18 and 28.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (93.6%).
- Under 1815.6%
- 18 to 6456.3%
- 65 and older28.2%
- White, not Hispanic93.6%
- Hispanic or Latino2.5%
- Asian, not Hispanic1.6%
- Other or two or more1.3%
- Black, not Hispanic1.1%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 21539 earn?
Median household income is $57,708 (ACS 2020-2024), the 6th highest of the 6 ranked ZIP codes in Garrett County. It is not measurably different from 2015-2019 ($61,196 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $57,708±$10,640
- Income per person
- $29,790
- Below the poverty line
- 19.5%
- Unemployed (of the labor force)
- 2.1%
- Adults 25+ with a bachelor's degree
- 16.8%
- Adjusted gross income per tax return, 2022
- $53,3081,060 returns; wages 76% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 21539?
- Median home value (owners' estimate)
- $130,200
- Median gross rent
- $874
- Homes owned by their occupants
- 63.6%
- Housing units
- 1,141
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 21539?
34 business establishments had a location in this ZIP code in 2023, 11 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade7
- Construction6
- Health care and social assistance6
- Other services (except public administration)5
- Transportation and warehousing3
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 21539?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 21542 | Midland | 84 | – | 3.1 mi |
| 21521 | Barton | 1,400 | $64k | 3.7 mi |
| 21532 | Frostburg | 13,647 | $64k | 3.9 mi |
| 21562 | Westernport | 3,032 | $48k | 5.8 mi |
| 21557 | Rawlings | 1,481 | $35k | 6.6 mi |
| 21536 | Grantsville | 3,833 | $64k | 9.3 mi |
| 21543 | Midlothian | 185 | – | 4.2 mi (near) |
| 26750 | Piedmont, WV | 759 | $43k | 8.4 mi (near) |
| 21540 | Luke | 89 | $81k | 8.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.