Residential delivery area · Maryland
ZIP Code 20670: Patuxent River, MD
ZIP code 20670 uses the postal name Patuxent River, Maryland and lies entirely in St. Mary's County (Census 2020 ZIP-county file). About 2,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $70,371 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Patuxent River · its only residential ZIP
- County
- St. Mary's County
- Metro area
- Lexington Park, MD
- House district
- MD-5 119th Congress
- State
- Maryland
- Time zone
- Eastern
- Land area
- 9.3 sq mi · 219 people per sq mi
Where is ZIP code 20670?
20670 centers on 38.285°, -76.408° and covers 9.3 square miles of land plus 5.7 of water. It borders 1 ZIP code: 20653.
The map draws ZIP code areas only. For the streets inside 20670, 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 20670 compare with the rest of St. Mary's County?
| Measure | 20670 | In St. Mary's County | In MD |
|---|---|---|---|
| People (ACS 2020-2024) | 2,046 | 8th of 27 | 310th of 477 |
| Median household income | $70k | 8th of 8 | 256th of 293 |
| Median home value | – | – | – |
Its median household income is higher than in 47% of U.S. residential ZIP codes, and it is denser than 64% 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 20670?
The 2020 Census counted 1,226 people in 20670; the ACS, which samples households over 2020-2024, estimates 2,046. Between the 2010 and 2020 censuses its population grew 20.9% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 2,046±484 (90% margin)
- 2020 Census count
- 1,226+20.9% since 2010 (1,014)
- Households
- 439
- Median age
- 22.9
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 20670?
Of the 2,046 people the ACS estimates in 20670, 33.5% are under 18 and 0.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (52.6%), then Black (not Hispanic) (21.6%).
- Under 1833.5%
- 18 to 6465.8%
- 65 and older0.7%
- White, not Hispanic52.6%
- Black, not Hispanic21.6%
- Hispanic or Latino12.1%
- Other or two or more11.4%
- Asian, not Hispanic2.3%
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 20670 earn?
Median household income is $70,371 (ACS 2020-2024), the 8th highest of the 8 ranked ZIP codes in St. Mary's County. It is not measurably different from 2015-2019 ($66,056 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $70,371
- Income per person
- $25,143
- Below the poverty line
- 0.0%
- Unemployed (of the labor force)
- 17.8%
- Adults 25+ with a bachelor's degree
- 29.8%
- Adjusted gross income per tax return, 2022
- $73,300420 returns; wages 87% 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 20670?
- Median home value (owners' estimate)
- –
- Median gross rent
- $2,292
- Homes owned by their occupants
- 0.0%
- Housing units
- 513
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 20670?
76 business establishments had a location in this ZIP code in 2023, 11 fewer than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services54
- Transportation and warehousing7
- Administrative and support and waste management and remediation services6
- Accommodation and food 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 20670?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 20653 | Lexington Park | 26,852 | $103k | 3.5 mi |
| 20688 | Solomons | 1,290 | $103k | 4.2 mi (near) |
| 20629 | Dowell | 1,150 | $87k | 4.9 mi (near) |
| 20667 | Park Hall | 150 | – | 5.3 mi (near) |
| 20634 | Great Mills | 7,088 | $139k | 5.7 mi (near) |
| 20619 | California | 14,212 | $119k | 6.5 mi (near) |
| 20686 | Saint Marys City | 971 | – | 6.9 mi (near) |
| 20657 | Lusby | 20,699 | $116k | 7.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.