Checked
ZIP Code 20646
La Plata, MD, Charles County
Population
21,400
Land area
79.8sq mi
People per sq mi
268
City
La Plata
ZIP 20646 and nearby ZIP codes
ZIP 20646 at a glance
- ZIP 20646 (La Plata) is 58% less dense than Maryland as a whole.
- The median household income is $131,974, 27% above the Maryland median of $103,678.
- A typical owner-occupied home is valued at $450,200 (7% above Maryland) and median rent is $1,541 a month.
Local data for ZIP 20646
Counts from official public data
Housing and community stats
ZIP 20646, American Community Survey 2020-2024
Median household income
$131,974
Poverty rate
5.6%
Median home value
$450,200
Prices +2.3% in a year
Median rent
$1,541/mo
Homeownership
86.5%
Bachelor's or higher
34.9%
Median age
42.9
Average commute
38.8 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
528
ZIP Business Patterns 2023
Employees
7,759
$390M annual payroll
PPP loans
$42.04M
560 loans
Campaign donations
$72.31K
48% D, 12% R, 2026 cycle
Environment and hazard risk
ZIP 20646, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: heat wave
Storm events since 1996
967
Countywide, mostly thunderstorm wind
Flood insurance policies
547
0.9% of homes, county
July high / Jan low
85° / 25°F
48.1 inches of rain a year
Health statistics
Share of adults in ZIP 20646, CDC PLACES estimates
Obesity
37.9%
U.S. 33.3% +4.6 pts
Diabetes
12.1%
U.S. 12.1% about the same
Smoking
11.4%
U.S. 12.8% -1.4 pts
Uninsured (18-64)
6.6%
U.S. 11.1% -4.5 pts
Cities in ZIP 20646
ZIP codes near 20646
| Name | Distance | Land area (sq mi) |
|---|---|---|
| 20611Port Tobacco Village | 4.1 mi | 8.3 |
| 20695Waldorf | 4.4 mi | 14.4 |
| 20677Port Tobacco Village | 4.6 mi | 15.6 |
| 20675Pomfret | 5.5 mi | 7.1 |
| 20602Waldorf | 5.8 mi | 14.5 |
| 20617Bryantown | 5.9 mi | 6 |
| 20632Port Tobacco Village | 6.4 mi | 6.6 |
| 20622Charlotte Hall | 7 mi | 36.5 |
| 20603Bensville | 7.4 mi | 16.2 |
| 20693Port Tobacco Village | 8 mi | 20.2 |
| 20640Potomac Heights | 9.1 mi | 41.7 |
| 20601Cedarville | 9.4 mi | 47.8 |
Frequently asked questions
- What city is ZIP code 20646?
- ZIP code 20646 is in La Plata, MD (Charles County).
- What county is ZIP code 20646 in?
- ZIP code 20646 is mostly in Charles County, Maryland.
- How many people live in ZIP code 20646?
- About 21,400 people live in the 20646 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.