Residential delivery area · Maryland
ZIP Code 21555: Oldtown, MD
ZIP code 21555 uses the postal name Oldtown, Maryland and lies entirely in Allegany County (Census 2020 ZIP-county file). About 1,500 people live there (Census Bureau, ACS 2020-2024). Median household income is $53,266 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Oldtown (a census-designated place); more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Oldtown · its only residential ZIP
- County
- Allegany County
- Census places
- Oldtown census-designated place
- Micro area
- Cumberland, MD-WV
- House district
- MD-6 119th Congress
- State
- Maryland
- Time zone
- Eastern
- Land area
- 98.3 sq mi · 15 people per sq mi
Where is ZIP code 21555?
21555 centers on 39.575°, -78.563° and covers 98.3 square miles of land plus 2.0 of water. It borders 7 ZIP codes: 25431, 26722, 21530, 25434, 21502, 25422, 21766.
The map draws ZIP code areas only. For the streets inside 21555, 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 21555 compare with the rest of Allegany County?
| Measure | 21555 | In Allegany County | In MD |
|---|---|---|---|
| People (ACS 2020-2024) | 1,470 | 7th of 16 | 330th of 477 |
| Median household income | $53k | not ranked | not ranked |
| Median home value | $198k | not ranked | not ranked |
21555's median household income is not ranked: its 90% margin of error (±$23,350) is more than a quarter of the figure ($53,266); 21555's median home value is not ranked: its 90% margin of error (±$64,476) is more than a quarter of the figure ($197,700). 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 22% 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 21555?
The 2020 Census counted 1,619 people in 21555; the ACS, which samples households over 2020-2024, estimates 1,470. Between the 2010 and 2020 censuses its population fell 16.4% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,470±376 (90% margin)
- 2020 Census count
- 1,619−16.4% since 2010 (1,936)
- Households
- 591
- Median age
- 42.6
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 21555?
Of the 1,470 people the ACS estimates in 21555, 24.4% are under 18 and 16.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (98.9%).
- Under 1824.4%
- 18 to 6459.5%
- 65 and older16.2%
- White, not Hispanic98.9%
- Other or two or more0.6%
- Black, not Hispanic0.5%
- Hispanic or Latino0.0%
- Asian, not Hispanic0.0%
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 21555 earn?
Median household income is $53,266 (ACS 2020-2024). It is not measurably different from 2015-2019 ($77,827 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $53,266±$23,350
- Income per person
- $24,708
- Below the poverty line
- 22.1%
- Unemployed (of the labor force)
- 7.6%
- Adults 25+ with a bachelor's degree
- 11.9%
- Adjusted gross income per tax return, 2022
- $58,813700 returns; wages 73% 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 21555?
- Median home value (owners' estimate)
- $197,700
- Median gross rent
- $790
- Homes owned by their occupants
- 82.4%
- Housing units
- 831
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 21555?
11 business establishments had a location in this ZIP code in 2023, the same count as in 2018; the most are in other services (except public administration) (ZIP Code Business Patterns).
- Other services (except public administration)4
- 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 21555?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 25431 | Levels, WV | 413 | $69k | 6.3 mi |
| 26722 | Green Spring, WV | 496 | $76k | 6.5 mi |
| 21530 | Flintstone | 1,404 | $64k | 7.3 mi |
| 25434 | Paw Paw, WV | 3,272 | $65k | 10.8 mi |
| 21502 | Cumberland | 41,015 | $61k | 11.3 mi |
| 25422 | Great Cacapon, WV | 1,463 | $52k | 11.3 mi |
| 21766 | Little Orleans | 854 | $62k | 11.4 mi |
| 21560 | Spring Gap | 9 | – | 7.7 mi (near) |
| 26763 | Springfield, WV | 1,253 | $68k | 10.1 mi (near) |
| 25444 | Slanesville, WV | 717 | $133k | 10.3 mi (near) |
| 25437 | Points, WV | 143 | – | 10.5 mi (near) |
| 26767 | Wiley Ford, WV | 393 | $92k | 10.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.