Residential delivery area · Maryland
ZIP Code 21811: Berlin, MD
ZIP code 21811 uses the postal name Berlin, Maryland and lies entirely in Worcester County (Census 2020 ZIP-county file). About 24,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $90,082 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Ocean Pines (6%) and Berlin (3%), and 5% in smaller places; 85% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Berlin · its only residential ZIP
- County
- Worcester County
- Census places
- Ocean Pines (6%) census-designated place; Berlin (3%)
- Neighborhood
- Franklin Heights GeoNames
- Micro area
- Ocean Pines, MD
- House district
- MD-1 119th Congress
- State
- Maryland
- Time zone
- Eastern
- Land area
- 101.5 sq mi · 240 people per sq mi
Where is ZIP code 21811?
21811 centers on 38.321°, -75.222° and covers 101.5 square miles of land plus 12.5 of water. It borders 8 ZIP codes: 21862, 21813, 21841, 21872, 21842, 21874, 21850, 21863.
The map draws ZIP code areas only. For the streets inside 21811, 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); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 21811 compare with the rest of Worcester County?
| Measure | 21811 | In Worcester County | In MD |
|---|---|---|---|
| People (ACS 2020-2024) | 24,377 | 2nd of 12 | 112th of 477 |
| Median household income | $90k | 2nd of 5 | 197th of 293 |
| Median home value | $389k | 3rd of 6 | 190th of 320 |
Its median household income is higher than in 73% of U.S. residential ZIP codes, and it is denser than 65% 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 21811?
The 2020 Census counted 23,907 people in 21811; the ACS, which samples households over 2020-2024, estimates 24,377. Between the 2010 and 2020 censuses its population grew 6.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 24,377
- 2020 Census count
- 23,907+6.0% since 2010 (22,550)
- Households
- 10,749
- Median age
- 54.9
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 21811?
Of the 24,377 people the ACS estimates in 21811, 16.2% are under 18 and 34.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (80.3%).
- Under 1816.2%
- 18 to 6448.9%
- 65 and older34.9%
- White, not Hispanic80.3%
- Black, not Hispanic9.4%
- Other or two or more5.7%
- Hispanic or Latino3.0%
- Asian, not Hispanic1.6%
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 21811 earn?
Median household income is $90,082 (ACS 2020-2024), the 2nd highest of the 5 ranked ZIP codes in Worcester County. It is not measurably different from 2015-2019 ($85,579 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $90,082
- Income per person
- $51,350
- Below the poverty line
- 9.8%
- Unemployed (of the labor force)
- 5.8%
- Adults 25+ with a bachelor's degree
- 39.9%
- Adjusted gross income per tax return, 2022
- $91,30913,180 returns; wages 54% 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 21811?
FHFA's house price index for 21811, built from repeat sales and appraisals of the same homes, rose 104% from 2015 to 2025 and rose 61% from 2020 to 2025, and moved +4.5% in 2025.
- Median home value (owners' estimate)
- $388,900
- Median gross rent
- $1,377
- Homes owned by their occupants
- 83.3%
- Housing units
- 15,491
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 21811?
689 business establishments had a location in this ZIP code in 2023, 59 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade100
- Health care and social assistance99
- Professional, scientific, and technical services77
- Construction76
- Accommodation and food services65
- Other services (except public administration)65
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 21811?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 21862 | Showell | 30 | – | 5.2 mi |
| 21813 | Bishopville | 2,999 | $122k | 7.4 mi |
| 21841 | Newark | 793 | – | 7.4 mi |
| 21872 | Whaleyville | 661 | $118k | 7.7 mi |
| 21842 | Ocean City | 11,226 | $80k | 8.0 mi |
| 21874 | Willards | 1,693 | $78k | 8.6 mi |
| 21850 | Pittsville | 3,850 | $80k | 9.9 mi |
| 21863 | Snow Hill | 5,281 | $62k | 13.3 mi |
| 19975 | Selbyville, DE | 10,862 | $89k | 10.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.