Residential delivery area · Maryland
ZIP Code 21817: Crisfield, MD
ZIP code 21817 uses the postal name Crisfield, Maryland and lies entirely in Somerset County (Census 2020 ZIP-county file). About 4,400 people live there (Census Bureau, ACS 2020-2024). Median household income is $55,720 (Census Bureau, ACS 2020-2024). By Census place, 12% of its land lies in Crisfield; 88% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Crisfield · its only residential ZIP
- County
- Somerset County
- Census places
- Crisfield
- Metro area
- Salisbury, MD
- House district
- MD-1 119th Congress
- State
- Maryland
- Time zone
- Eastern
- Land area
- 14.5 sq mi · 305 people per sq mi
Where is ZIP code 21817?
21817 centers on 37.981°, -75.836° and covers 14.5 square miles of land plus 3.5 of water. It borders 1 ZIP code: 21838.
The map draws ZIP code areas only. For the streets inside 21817, 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 21817 compare with the rest of Somerset County?
| Measure | 21817 | In Somerset County | In MD |
|---|---|---|---|
| People (ACS 2020-2024) | 4,417 | 3rd of 11 | 246th of 477 |
| Median household income | $56k | 3rd of 3 | 283rd of 293 |
| Median home value | $161k | 4th of 4 | 312th of 320 |
Its median household income is higher than in 22% of U.S. residential ZIP codes, and it is denser than 67% 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 21817?
The 2020 Census counted 4,825 people in 21817; the ACS, which samples households over 2020-2024, estimates 4,417. Between the 2010 and 2020 censuses its population fell 7.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 4,417
- 2020 Census count
- 4,825−7.8% since 2010 (5,236)
- Households
- 1,925
- Median age
- 42.1
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 21817?
Of the 4,417 people the ACS estimates in 21817, 21.0% are under 18 and 25.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (70.1%), then Black (not Hispanic) (16.0%).
- Under 1821.0%
- 18 to 6453.1%
- 65 and older25.9%
- White, not Hispanic70.1%
- Black, not Hispanic16.0%
- Hispanic or Latino6.7%
- Other or two or more5.5%
- Asian, not Hispanic1.7%
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 21817 earn?
Median household income is $55,720 (ACS 2020-2024), the 3rd highest of the 3 ranked ZIP codes in Somerset County. It rose from $42,980 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $55,720±$6,403
- Income per person
- $33,667
- Below the poverty line
- 15.4%
- Unemployed (of the labor force)
- 8.2%
- Adults 25+ with a bachelor's degree
- 25.6%
- Adjusted gross income per tax return, 2022
- $49,7652,160 returns; wages 68% 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 21817?
FHFA's house price index for 21817, built from repeat sales and appraisals of the same homes, rose 78% from 2015 to 2025 and rose 55% from 2020 to 2025, and moved +11.7% in 2025.
- Median home value (owners' estimate)
- $161,000
- Median gross rent
- $766
- Homes owned by their occupants
- 73.1%
- Housing units
- 2,554
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 21817?
102 business establishments had a location in this ZIP code in 2023, 17 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade20
- Other services (except public administration)19
- Construction13
- Accommodation and food services10
- Manufacturing6
- Health care and social assistance6
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 21817?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 21838 | Marion Station | 1,873 | $88k | 5.9 mi |
| 23427 | Saxis, VA | 218 | – | 8.5 mi (near) |
| 23426 | Sanford, VA | 37 | – | 8.8 mi (near) |
| 21867 | Upper Fairmount | 60 | – | 9.2 mi (near) |
| 21866 | Tylerton | 81 | $95k | 10.1 mi (near) |
| 21871 | Westover | 1,764 | $51k | 10.1 mi (near) |
| 21824 | Ewell | 264 | $90k | 11.0 mi (near) |
| 23409 | Mears, VA | 109 | $67k | 11.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.