Residential delivery area · Maryland
ZIP Code 20657: Lusby, MD
ZIP code 20657 uses the postal name Lusby, Maryland and lies entirely in Calvert County (Census 2020 ZIP-county file). About 21,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $115,748 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Chesapeake Ranch Estates (14%), Lusby (12%) and Drum Point (6%); 68% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Lusby · its only residential ZIP
- County
- Calvert County
- Census places
- Chesapeake Ranch Estates (14%) census-designated place; Lusby (12%) census-designated place; Drum Point (6%) census-designated place
- Metro area
- Lexington Park, MD
- House district
- MD-5 119th Congress
- State
- Maryland
- Time zone
- Eastern
- Land area
- 29.9 sq mi · 693 people per sq mi
Where is ZIP code 20657?
20657 centers on 38.384°, -76.440° and covers 29.9 square miles of land plus 9.1 of water. It borders 4 ZIP codes: 20629, 20688, 20685, 20636.
The map draws ZIP code areas only. For the streets inside 20657, 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 20657 compare with the rest of Calvert County?
| Measure | 20657 | In Calvert County | In MD |
|---|---|---|---|
| People (ACS 2020-2024) | 20,699 | 1st of 14 | 122nd of 477 |
| Median household income | $116k | 8th of 9 | 134th of 293 |
| Median home value | $334k | 11th of 11 | 240th of 320 |
Its median household income is higher than in 89% of U.S. residential ZIP codes, and it is denser than 75% 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 20657?
The 2020 Census counted 20,042 people in 20657; the ACS, which samples households over 2020-2024, estimates 20,699. Between the 2010 and 2020 censuses its population fell 2.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 20,699
- 2020 Census count
- 20,042−2.2% since 2010 (20,483)
- Households
- 7,371
- Median age
- 37.4
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 20657?
Of the 20,699 people the ACS estimates in 20657, 21.7% are under 18 and 12.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (71.1%), then Black (not Hispanic) (14.3%).
- Under 1821.7%
- 18 to 6465.4%
- 65 and older12.8%
- White, not Hispanic71.1%
- Black, not Hispanic14.3%
- Hispanic or Latino6.6%
- Other or two or more6.2%
- Asian, not Hispanic1.8%
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 20657 earn?
Median household income is $115,748 (ACS 2020-2024), the 8th highest of the 9 ranked ZIP codes in Calvert County. It is not measurably different from 2015-2019 ($115,030 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $115,748
- Income per person
- $54,496
- Below the poverty line
- 3.8%
- Unemployed (of the labor force)
- 2.8%
- Adults 25+ with a bachelor's degree
- 33.3%
- Adjusted gross income per tax return, 2022
- $77,9759,710 returns; wages 78% 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 20657?
FHFA's house price index for 20657, built from repeat sales and appraisals of the same homes, rose 52% from 2015 to 2025 and rose 37% from 2020 to 2025, and moved −1.0% in 2025.
- Median home value (owners' estimate)
- $333,500
- Median gross rent
- $1,755
- Homes owned by their occupants
- 87.2%
- Housing units
- 8,178
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 20657?
181 business establishments had a location in this ZIP code in 2023, 16 more than in 2018; the most are in other services (except public administration) (ZIP Code Business Patterns).
- Other services (except public administration)30
- Professional, scientific, and technical services28
- Construction26
- Accommodation and food services20
- Retail trade17
- Health care and social assistance12
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 20657?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 20629 | Dowell | 1,150 | $87k | 2.9 mi |
| 20688 | Solomons | 1,290 | $103k | 4.1 mi |
| 20685 | Saint Leonard | 6,866 | $119k | 5.9 mi |
| 20636 | Hollywood | 10,486 | $164k | 7.2 mi |
| 20615 | Broomes Island | 460 | – | 6.2 mi (near) |
| 20670 | Patuxent River | 2,046 | $70k | 7.1 mi (near) |
| 20619 | California | 14,212 | $119k | 7.9 mi (near) |
| 20676 | Port Republic | 3,218 | $157k | 9.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.