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20646 ZIP Code

La Plata, Maryland

December 15, 2025
ZIP Code:20646
City/Town:La Plata
County:Charles
State:Maryland
ZIP Type:Standard
Population:21,248
Median Household Income:$130,168
Per Capita Income:$62,130
Total Housing Units:7,927
Median Home Value:$431,900
Land Area:79.8 sq miles
206.6 sq km
Water Area:0.7 sq miles
1.8 sq km
Coordinates:38.5207, -76.9999

Population Information (20646 zip code)

#%US
Total Population:21,248----
Male:10,83751.0%49.6%
Female:10,41149.0%50.4%
Median Age:43.1 yrs--38.5 yrs
Under 5 years:1,0094.7%5.7%
5 to 9 years:1,1145.2%6.0%
10 to 14 years:1,5987.5%6.5%
15 to 19 years:1,4797.0%6.6%
20 to 24 years:1,1675.5%6.7%
25 to 34 years:2,0289.5%13.7%
35 to 44 years:2,72012.8%12.9%
45 to 54 years:3,29315.5%12.4%
55 to 59 years:1,9069.0%6.5%
60 to 64 years:1,4666.9%6.4%
65 to 74 years:1,8858.9%9.7%
75 to 84 years:1,1295.3%4.8%
85 years and over:4542.1%2.0%

Housing Information (20646 zip code)

#%US
Median home value:$431,900--$281,900
Median rooms:7.2--5.5
Median rent:$1,590 / mo.--$1,268 / mo.
Total housing units:7,927----
Occupied housing units:7,39993.3%38.0%
Vacant housing units:5286.7%4.6%
Housing tenure:------
Owner-occupied:6,27084.7%64.8%
Renter-occupied:1,12915.3%35.2%

Educational Attainment (20646 zip code)

#%US
Population 25 years and over:14,881----
Less than 9th grade:3312.2%4.7%
9th to 12th grade, no diploma:4262.9%6.1%
High school graduate:4,19228.2%26.4%
Some college, no degree:3,67524.7%19.7%
Associate degree:1,3068.8%8.7%
Bachelor's degree:3,01520.3%20.9%
Graduate or professional degree:1,93613.0%13.7%
Percent high school graduate or higher:--94.9%89.1%
Percent bachelor's degree or higher:--33.3%34.3%

Income Information (20646 zip code)

ValueUS
Median household income:$130,168 / yr.$75,149 / yr.
Mean household income:$144,665 / yr.$105,833 / yr.
Median family income:$153,409 / yr.$92,646 / yr.
Per capita income:$62,130 / yr.$41,261 / yr.

Employment (20646 zip code)

#%US
In labor force:10,717--63.5%
Employed:10,16196.5%96.4%
Unemployed:3643.5%5.3%
Not in labor force:6,586----
Class of Worker:------
Private wage and salary:6,68865.8%79.7%
Government workers:3,10730.6%14.2%
Self-employed:3543.5%5.9%
Unpaid family workers:120.1%0.1%

Race & Ethnicity (20646 zip code)

#%US
Race (one race):------
White:14,21366.9%61.6%
Black or African American:5,15224.2%12.4%
American Indian/Alaska Native:1020.5%1.1%
Asian:5642.7%6.0%
Native Hawaiian/Pacific Islander:00.0%0.2%
Some other race:2381.1%8.4%
Two or more races:9794.6%10.2%
Hispanic or Latino (any race):3441.6%18.7%
Mexican:8163.8%11.2%
Puerto Rican:1160.5%1.8%
Cuban:2241.1%0.7%
Other Hispanic or Latino:1170.6%5.0%
Not Hispanic or Latino:3591.7%81.1%

Income Distribution (20646 zip code)

Household IncomeHouseholds%US
Less than $10,000:2403.2%4.9%
$10,000 to $14,999:610.8%3.8%
$15,000 to $24,999:2313.1%7.0%
$25,000 to $34,999:1542.1%7.4%
$35,000 to $49,999:3985.4%10.7%
$50,000 to $74,999:1,05914.3%16.1%
$75,000 to $99,999:6298.5%12.8%
$100,000 to $149,999:1,47419.9%17.1%
$150,000 to $199,999:1,41919.2%8.8%
$200,000 or more:1,73423.4%11.4%

Commute to Work (20646 zip code)

Commute MethodWorkers%US
Drove alone:7,80176.8%67.8%
Carpooled:4454.4%8.7%
Public transportation:2032.0%4.2%
Walked:490.5%2.5%
Other means:680.7%0.9%
Worked from home:1,54815.2%13.8%
Mean travel time to work:38.5 min--26.7 min

Industry (20646 zip code)

Industry SectorWorkers%US
Agriculture, forestry, fishing, mining:330.3%1.6%
Construction:9229.1%6.9%
Manufacturing:3463.4%10.0%
Wholesale trade:1411.4%2.4%
Retail trade:1,05310.4%11.0%
Transportation, warehousing, utilities:6596.5%5.8%
Information:1171.2%1.9%
Finance, insurance, real estate:6656.5%6.7%
Professional, scientific, management:1,40213.8%12.1%
Education, health care, social services:1,89618.7%23.3%
Arts, entertainment, food services:6496.4%9.0%
Other services:5075.0%4.7%
Public administration:1,77117.4%4.7%

Poverty Status (20646 zip code)

#%US
Poverty Rate:--4.1%8.8%
All people below poverty level:------
Under 18 years:----16.3%
18 to 64 years:----11.0%
65 years and over:----10.3%

Health Insurance (20646 zip code)

#%US
With health insurance:20,10294.6%91.3%
Private health insurance:17,74883.5%67.6%
Public health coverage:5,88627.7%35.9%
Without health insurance:3201.5%8.7%

Benefits & Assistance (20646 zip code)

Households with:#%US
Earnings:5,84779.0%77.4%
Social Security income:2,25430.5%31.0%
Retirement income:2,40932.6%21.8%
Supplemental Security Income (SSI):3224.4%4.5%
Cash public assistance income:911.2%1.8%
SNAP (food stamps) benefits:4456.0%11.4%

Housing Types (20646 zip code)

Structure TypeUnits%US
1-unit, detached:5,88474.2%61.4%
1-unit, attached:1,31316.6%6.1%
2 units:210.3%3.4%
3 or 4 units:200.3%4.3%
5 to 9 units:761.0%4.6%
10 to 19 units:2102.6%4.3%
20 or more units:3544.5%9.9%
Mobile home:490.6%5.8%
Boat, RV, van, etc.:00.0%0.1%

Year Structure Built (20646 zip code)

Year BuiltUnits%US
Built 2020 or later:941.2%0.6%
Built 2010 to 2019:82210.4%8.2%
Built 2000 to 2009:1,56519.7%13.5%
Built 1990 to 1999:1,50519.0%13.2%
Built 1980 to 1989:1,66321.0%13.2%
Built 1970 to 1979:87711.1%14.6%
Built 1960 to 1969:4465.6%10.2%
Built 1950 to 1959:3704.7%9.9%
Built 1940 to 1949:2963.7%4.6%
Built 1939 or earlier:2893.6%12.0%

Bedrooms (20646 zip code)

Number of BedroomsUnits%US
No bedroom (studio):1852.3%2.4%
1 bedroom:2413.0%3.0%
2 bedrooms:99212.5%9.1%
3 bedrooms:3,03638.3%15.9%
4 bedrooms:2,64133.3%18.8%
5 or more bedrooms:83210.5%17.6%

Heating Fuel (20646 zip code)

Fuel TypeUnits%US
Utility gas:3534.8%47.1%
Bottled, tank, or LP gas:4165.6%4.9%
Electricity:5,02767.9%40.2%
Fuel oil, kerosene, etc.:1,31917.8%4.2%
Coal or coke:00.0%0.1%
Wood:1912.6%1.5%
Solar energy:380.5%0.1%
Other fuel:160.2%0.5%
No fuel used:390.5%0.2%

Vehicles Available (20646 zip code)

VehiclesHouseholds%US
No vehicle available:3584.8%8.3%
1 vehicle available:1,70723.1%32.6%
2 vehicles available:2,79437.8%37.0%
3 or more vehicles available:2,54034.3%22.1%

Home Value Distribution (20646 zip code)

Value RangeOwner Units%US
Less than $50,000:1211.9%5.7%
$50,000 to $99,999:00.0%7.8%
$100,000 to $149,999:390.6%9.2%
$150,000 to $199,999:1312.1%10.8%
$200,000 to $299,999:98715.7%19.9%
$300,000 to $499,999:2,99647.8%24.1%
$500,000 to $999,999:1,94631.0%17.0%
$1,000,000 or more:500.8%5.6%

Housing Costs (20646 zip code)

ValueUS
Median owner costs (with mortgage):$2,476 / mo.$1,828 / mo.
Median owner costs (no mortgage):$700 / mo.$584 / mo.
Median gross rent:$1,590 / mo.$1,268 / mo.
Average household size (owner-occupied):2.832.53
Average household size (renter-occupied):2.452.38

Households (20646 zip code)

#%US
Total households:7,399----
Married-couple households:4,30858.2%47.5%
Cohabiting couple households:1,72923.4%7.0%
Male householder, no spouse:1,12515.2%5.4%
Female householder, no spouse:1,77424.0%12.7%
Householder living alone:2,48933.6%28.6%
65 years and over living alone:2,45433.2%11.8%
Average household size:2.77--2.53
Average family size:3.26----

Marital Status (20646 zip code)

Population 15 years and over#%US
Total:8,839----
Never married:2,93033.1%37.0%
Now married:4,73553.6%49.5%
Separated:3704.2%1.5%
Widowed:7458.4%2.6%
Divorced:2,20625.0%9.3%

School Enrollment (20646 zip code)

Population 3 years and over#%US
Enrolled in school:5,532----
Nursery school, preschool:3596.5%5.8%
Kindergarten:2003.6%5.0%
Elementary school (grades 1-8):2,26540.9%40.5%
High school (grades 9-12):1,26822.9%21.4%
College or graduate school:1,44026.0%27.3%

Veterans & Disability (20646 zip code)

#%US
Civilian population 18 years and over:16,383----
Veterans:2,10612.9%6.3%
Civilian noninstitutionalized population:20,422----
With a disability:2,42811.9%13.4%
Under 18 with disability:1787.3%5.8%
18 to 64 with disability:1,23750.9%10.4%
65 and over with disability:1,01341.7%33.4%

Mobility (Residence 1 Year Ago) (20646 zip code)

Population 1 year and over#%US
Same house:18,43586.8%86.9%
Different house:2,60812.3%13.1%
Same county:1,50057.5%7.0%
Different county:1,06040.6%3.2%
Different state:47218.1%2.5%
Abroad:481.8%0.4%

Place of Birth (20646 zip code)

#%US
Native born:19,88793.6%86.2%
Foreign born:5862.8%13.9%
Naturalized citizen:1,361232.3%52.7%
Not a citizen:1,361232.3%47.3%
Foreign-born by region:------
Europe:1,361232.3%10.5%
Asia:32254.9%31.3%
Africa:15626.6%5.5%
Oceania:00.0%0.5%
Latin America:44075.1%50.0%
Northern America:61.0%2.2%

Language Spoken at Home (20646 zip code)

Population 5 years and over#%US
Total:20,239----
English only:18,83293.0%78.3%
Language other than English:1,4077.0%21.5%
By language:------
Spanish:4452.2%13.3%
Other Indo-European languages:6243.1%3.5%
Asian/Pacific Island languages:1700.8%3.5%
Other languages:1680.8%1.0%

Computers & Internet (20646 zip code)

Households%US
Households with a computer:7,399100.0%93.1%
Households with broadband internet:7,06195.4%89.4%