Residential delivery area · Maryland
ZIP Code 20637: Hughesville, MD
ZIP code 20637 uses the postal name Hughesville, Maryland and lies entirely in Charles County (Census 2020 ZIP-county file). About 6,100 people live there (Census Bureau, ACS 2020-2024). Median household income is $160,121 (Census Bureau, ACS 2020-2024). By Census place, 31% of its land lies in Hughesville (a census-designated place); 69% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Hughesville · its only residential ZIP
- County
- Charles County
- Census places
- Hughesville census-designated place
- Metro area
- Washington-Arlington-Alexandria, DC-VA-MD-WV
- House district
- MD-5 119th Congress
- State
- Maryland
- Time zone
- Eastern
- Land area
- 32.7 sq mi · 187 people per sq mi
Where is ZIP code 20637?
20637 centers on 38.525°, -76.756° and covers 32.7 square miles of land plus 1.3 of water. It borders 9 ZIP codes: 20612, 20608, 20617, 20659, 20601, 20678, 20622, 20613, 20646.
The map draws ZIP code areas only. For the streets inside 20637, 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 20637 compare with the rest of Charles County?
| Measure | 20637 | In Charles County | In MD |
|---|---|---|---|
| People (ACS 2020-2024) | 6,133 | 11th of 25 | 223rd of 477 |
| Median household income | $160k | 1st of 13 | 42nd of 293 |
| Median home value | $555k | 3rd of 18 | 73rd of 320 |
Its median household income is higher than in 97% of U.S. residential ZIP codes, and it is denser than 62% 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 20637?
The 2020 Census counted 6,111 people in 20637; the ACS, which samples households over 2020-2024, estimates 6,133. Between the 2010 and 2020 censuses its population grew 12.7% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 6,133±638 (90% margin)
- 2020 Census count
- 6,111+12.7% since 2010 (5,423)
- Households
- 2,031
- Median age
- 43.5
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 20637?
Of the 6,133 people the ACS estimates in 20637, 20.3% are under 18 and 18.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (55.2%), then Black (not Hispanic) (31.3%).
- Under 1820.3%
- 18 to 6461.3%
- 65 and older18.4%
- White, not Hispanic55.2%
- Black, not Hispanic31.3%
- Other or two or more8.4%
- Hispanic or Latino3.9%
- Asian, not Hispanic1.2%
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 20637 earn?
Median household income is $160,121 (ACS 2020-2024), the highest of the 13 ranked ZIP codes in Charles County. It is not measurably different from 2015-2019 ($151,921 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $160,121±$24,781
- Income per person
- $55,690
- Below the poverty line
- 2.8%
- Unemployed (of the labor force)
- 2.1%
- Adults 25+ with a bachelor's degree
- 34.0%
- Adjusted gross income per tax return, 2022
- $106,4213,130 returns; wages 74% 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 20637?
FHFA's house price index for 20637, built from repeat sales and appraisals of the same homes, rose 60% from 2015 to 2025 and rose 38% from 2020 to 2025, and moved +1.1% in 2025.
- Median home value (owners' estimate)
- $555,400
- Median gross rent
- $2,366
- Homes owned by their occupants
- 94.6%
- Housing units
- 2,142
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 20637?
105 business establishments had a location in this ZIP code in 2023, 9 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction27
- Professional, scientific, and technical services14
- Other services (except public administration)12
- Administrative and support and waste management and remediation services9
- Health care and social assistance8
- Retail trade6
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 20637?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 20612 | Benedict | 148 | $41k | 4.3 mi |
| 20608 | Aquasco | 693 | $82k | 4.9 mi |
| 20617 | Bryantown | 334 | $104k | 5.4 mi |
| 20659 | Mechanicsville | 24,324 | $122k | 8.2 mi |
| 20601 | Waldorf | 26,945 | $118k | 8.5 mi |
| 20678 | Prince Frederick | 12,752 | $126k | 8.7 mi |
| 20622 | Charlotte Hall | 5,185 | $124k | 10.0 mi |
| 20613 | Brandywine | 17,590 | $151k | 10.4 mi |
| 20646 | La Plata | 21,400 | $132k | 13.2 mi |
| 20602 | Waldorf | 28,331 | $107k | 8.5 mi (near) |
| 20639 | Huntingtown | 15,544 | $161k | 9.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.