Residential delivery area · Maryland
ZIP Code 20664: Newburg, MD
ZIP code 20664 uses the postal name Newburg, Maryland and lies entirely in Charles County (Census 2020 ZIP-county file). About 3,100 people live there (Census Bureau, ACS 2020-2024). Median household income is $88,438 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in Rock Point (a census-designated place); 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Newburg · its only residential ZIP
- County
- Charles County
- Census places
- Rock Point 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
- 40.9 sq mi · 77 people per sq mi
Where is ZIP code 20664?
20664 centers on 38.343°, -76.910° and covers 40.9 square miles of land plus 11.7 of water. It borders 7 ZIP codes: 20645, 20622, 20632, 20661, 20625, 20611, 20659.
The map draws ZIP code areas only. For the streets inside 20664, 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 20664 compare with the rest of Charles County?
| Measure | 20664 | In Charles County | In MD |
|---|---|---|---|
| People (ACS 2020-2024) | 3,138 | 13th of 25 | 270th of 477 |
| Median household income | $88k | not ranked | not ranked |
| Median home value | $476k | 6th of 18 | 113th of 320 |
20664's median household income is not ranked: its 90% margin of error (±$24,535) is more than a quarter of the figure ($88,438). 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 50% 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 20664?
The 2020 Census counted 2,940 people in 20664; the ACS, which samples households over 2020-2024, estimates 3,138. Between the 2010 and 2020 censuses its population fell 1.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 3,138±495 (90% margin)
- 2020 Census count
- 2,940−1.6% since 2010 (2,987)
- Households
- 1,229
- Median age
- 44.3
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 20664?
Of the 3,138 people the ACS estimates in 20664, 22.6% are under 18 and 22.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (61.2%), then Black (not Hispanic) (18.0%).
- Under 1822.6%
- 18 to 6455.1%
- 65 and older22.3%
- White, not Hispanic61.2%
- Black, not Hispanic18.0%
- Hispanic or Latino13.7%
- Other or two or more6.1%
- Asian, not Hispanic1.0%
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 20664 earn?
Median household income is $88,438 (ACS 2020-2024). It is not measurably different from 2015-2019 ($107,746 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $88,438±$24,535
- Income per person
- $41,443
- Below the poverty line
- 8.8%
- Unemployed (of the labor force)
- 0.6%
- Adults 25+ with a bachelor's degree
- 18.9%
- Adjusted gross income per tax return, 2022
- $88,9711,490 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 20664?
FHFA's house price index for 20664, built from repeat sales and appraisals of the same homes, rose 61% from 2015 to 2025 and rose 40% from 2020 to 2025, and moved +5.4% in 2025.
- Median home value (owners' estimate)
- $475,700
- Median gross rent
- $1,201
- Homes owned by their occupants
- 69.7%
- Housing units
- 1,509
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 20664?
43 business establishments had a location in this ZIP code in 2023, 6 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction10
- Retail trade6
- Professional, scientific, and technical services5
- Accommodation and food services5
- Other services (except public administration)5
- Administrative and support and waste management and remediation services4
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 20664?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 20645 | Issue | 814 | $191k | 3.2 mi |
| 20622 | Charlotte Hall | 5,185 | $124k | 5.4 mi |
| 20632 | Faulkner | 485 | – | 6.0 mi |
| 20661 | Mount Victoria | 0 | – | 6.4 mi |
| 20625 | Cobb Island | 849 | – | 6.9 mi |
| 20611 | Bel Alton | 1,219 | $152k | 8.8 mi |
| 20659 | Mechanicsville | 24,324 | $122k | 10.7 mi |
| 20621 | Chaptico | 958 | – | 6.0 mi (near) |
| 22448 | Dahlgren, VA | 765 | $96k | 6.4 mi (near) |
| 20618 | Bushwood | 1,705 | $106k | 7.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.