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ZIP code

20646

La Plata, MD

STANDARD

20646 covers La Plata in Charles County, with 21,601 people in the ACS 2023 estimate.

Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology

ACS 2023 population

21,601

Median household income

$130,008

Median home value

$435,100

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 20646. Methodology

ZIP code map of 20646

Census ZCTA boundary for ZIP 20646 in La Plata, Maryland
Census ZCTA boundary for ZIP 20646 in La Plata, Maryland. A ZCTA is not the same as a USPS ZIP code. Boundaries: U.S. Census Bureau. Methodology · Data sources
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About ZIP code 20646

Type

STANDARD

Timezone

America/New_York

Area codes

227, 240, 301

Land area

79.8 sq mi

Water area

0.69 sq mi

Households

8,263

Median gross rent

$1,486

Acceptable cities: Dentsville

More enterprise fields

Timezone
America/New_York
Area Codes
227, 240, 301
World Region
NA
Country
US

Commercial ZIP directory · not ACS

Commercial ZIP directory population_count for ZCTA 20646. Not ACS. Methodology

People in 20646

Race

  • White12,855
  • Black or African American4,750
  • American Indian or Alaska Native113
  • Asian611
  • Native Hawaiian and Pacific Islander28
  • Other race351
  • Two or more races1,703

Hispanic or Latino (any race): 1,116

Age

  • Under 102,179
  • 10 to 192,835
  • 20 to 292,225
  • 30 to 392,461
  • 40 to 492,395
  • 50 to 593,327
  • 60 to 692,474
  • 70 to 791,612
  • 80 and older903

Income and housing in 20646

Poverty rate

4.0%

Median earnings

$62,409

Median household income

$130,008

Median home value

$435,100

Median gross rent

$1,486

Education

  • High school graduate95.0%
  • Bachelor's degree33.4%
  • Graduate degree14.2%

Places covering 20646

Cities and places — Population overlap

Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

Counties — Population overlap

Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

48.6% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 20646

IRS populationACS population
24,39012,195020052023

Hover the chart or read the table below (Year | ACS | IRS).

Population history. Year | ACS population | IRS population. ACS and IRS are separate series. Blank cells mean that source did not publish a count for the year.
YearACS populationIRS population
200518,586
200617,894
200718,589
200818,098
200918,345
201018,396
201118,27418,358
201218,86618,500
201319,06018,760
201418,93718,370
201518,61518,590
201620,11818,910
201720,35119,060
201820,97418,850
201921,95119,120
202022,58319,460
202120,60819,330
202221,24819,940
202321,601

ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.

ZIP codes near 20646

12 nearest ZIP centroids (any distance)

  1. 20677Port Tobacco2.7 miPop 2,113 · Income $150,956
  2. 20675Pomfret4.4 miPop 1,836 · Income $116,439
  3. 20611Bel Alton4.6 miPop 1,128 · Income $132,917
  4. 20695White Plains4.8 miPop 12,725 · Income $118,949
  5. 20693Welcome6.4 miPop 1,238 · Income $148,750
  6. 20602Waldorf7.1 miPop 29,425 · Income $108,733
  7. 20632Faulkner7.2 miPop 687 · Income $204,071
  8. 20603Waldorf7.6 miPop 32,649 · Income $137,138
  9. 20617Bryantown8.1 miPop 368 · Income $113,068
  10. 20658Marbury9.2 miPop 862 · Income $97,177
  11. 20622Charlotte Hall9.7 miPop 5,259 · Income $118,938
  12. 20601Waldorf10.3 miPop 27,340 · Income $120,278

ZIP centroids within 2 miles

No other ZIP codes within 2 miles of 20646, measured by Census internal-point centroids. Try a wider radius.

ZIPs within 2 miles of this place

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20646 La Plata, MD

Looking up ZIP codes within 2 miles of 20646 La Plata, MD, measured by centroid distance.

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ZIP code 20646 FAQ

What city is ZIP code 20646 in?
20646 is in La Plata, MD.
What county is 20646 in?
20646 is in Charles County.
What is the median household income in 20646?
The median household income in 20646 is $130,008.
Which ZIP codes are near 20646?
Use the radius tool on this page to list ZIP codes within a chosen distance of 20646.