Residential delivery area · Maryland
ZIP Code 21561: Swanton, MD
ZIP code 21561 uses the postal name Swanton, Maryland and lies entirely in Garrett County (Census 2020 ZIP-county file). About 2,400 people live there (Census Bureau, ACS 2020-2024). Median household income is $73,858 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Swanton (a census-designated place); more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Swanton · its only residential ZIP
- County
- Garrett County
- Census places
- Swanton census-designated place
- House district
- MD-6 119th Congress
- State
- Maryland
- Time zone
- Eastern
- Land area
- 101.9 sq mi · 24 people per sq mi
Where is ZIP code 21561?
21561 centers on 39.492°, -79.194° and covers 101.9 square miles of land plus 3.5 of water. It borders 10 ZIP codes: 21538, 21523, 21562, 21521, 21541, 26717, 21536, 21520, 21550, 26726.
The map draws ZIP code areas only. For the streets inside 21561, 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 21561 compare with the rest of Garrett County?
| Measure | 21561 | In Garrett County | In MD |
|---|---|---|---|
| People (ACS 2020-2024) | 2,412 | 6th of 12 | 298th of 477 |
| Median household income | $74k | not ranked | not ranked |
| Median home value | $329k | 1st of 7 | 246th of 320 |
21561's median household income is not ranked: its 90% margin of error (±$19,534) is more than a quarter of the figure ($73,858). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 29% of 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 21561?
The 2020 Census counted 2,571 people in 21561; the ACS, which samples households over 2020-2024, estimates 2,412. Between the 2010 and 2020 censuses its population fell 2.1% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 2,412±352 (90% margin)
- 2020 Census count
- 2,571−2.1% since 2010 (2,627)
- Households
- 1,107
- Median age
- 57.0
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 21561?
Of the 2,412 people the ACS estimates in 21561, 17.4% are under 18 and 35.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (93.6%).
- Under 1817.4%
- 18 to 6447.1%
- 65 and older35.5%
- White, not Hispanic93.6%
- Other or two or more5.3%
- Black, not Hispanic0.8%
- Asian, not Hispanic0.2%
- Hispanic or Latino0.1%
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 21561 earn?
Median household income is $73,858 (ACS 2020-2024). It is not measurably different from 2015-2019 ($67,910 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $73,858±$19,534
- Income per person
- $52,272
- Below the poverty line
- 10.6%
- Unemployed (of the labor force)
- 0.3%
- Adults 25+ with a bachelor's degree
- 38.0%
- Adjusted gross income per tax return, 2022
- $90,1261,120 returns; wages 56% 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 21561?
FHFA's house price index for 21561, built from repeat sales and appraisals of the same homes, rose 80% from 2015 to 2025 and rose 52% from 2020 to 2025, and moved −6.6% in 2025.
- Median home value (owners' estimate)
- $328,700
- Median gross rent
- –
- Homes owned by their occupants
- 87.8%
- Housing units
- 2,560
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 21561?
36 business establishments had a location in this ZIP code in 2023, 5 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction12
- Real estate and rental and leasing4
- Administrative and support and waste management and remediation services3
- Educational services3
- Arts, entertainment, and recreation3
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 21561?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 21538 | Kitzmiller | 678 | $61k | 5.9 mi |
| 21523 | Bloomington | 150 | $59k | 6.2 mi |
| 21562 | Westernport | 3,032 | $48k | 8.4 mi |
| 21521 | Barton | 1,400 | $64k | 8.8 mi |
| 21541 | McHenry | 1,335 | $83k | 10.5 mi |
| 26717 | Elk Garden, WV | 1,593 | $75k | 10.9 mi |
| 21536 | Grantsville | 3,833 | $64k | 11.5 mi |
| 21520 | Accident | 1,918 | $60k | 11.7 mi |
| 21550 | Oakland | 13,691 | $65k | 12.6 mi |
| 26726 | Keyser, WV | 12,629 | $71k | 12.7 mi |
| 21540 | Luke | 89 | $81k | 7.3 mi (near) |
| 26750 | Piedmont, WV | 759 | $43k | 8.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.