What city is ZIP code 20659 in?

20659 is in Mechanicsville, MD.

What is the median household income in 20659?

The median household income in 20659 is $117,571.

Which ZIP codes are near 20659?

Use the radius tool on this page to list ZIP codes within a chosen distance of 20659.

ZIP code

20659

Mechanicsville, MD

STANDARD

20659 covers Mechanicsville in St. Mary's County, with 23,918 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

23,918

Median household income

$117,571

Median home value

$388,400

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 20659. Methodology

ZIP code map of 20659

Census ZCTA boundary for ZIP 20659 in Mechanicsville, 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 20659

Type

STANDARD

City

Mechanicsville

County

St. Mary's County

Timezone

America/New_York

Area codes

227, 240, 301, 410, 443, 667

Land area

97.0 sq mi

Water area

9.49 sq mi

Households

8,546

Median gross rent

$1,781

Acceptable cities: Mechanicsvlle

More enterprise fields

Timezone

America/New_York

Area Codes

227, 240, 301, 410, 443, 667

World Region

Country

Commercial ZIP directory · not ACS

Commercial ZIP directory population_count for ZCTA 20659. Not ACS. Methodology

People in 20659

Race

White20,574
Black or African American1,789
American Indian or Alaska Native84
Asian212
Native Hawaiian and Pacific Islander13
Other race199
Two or more races1,556

Hispanic or Latino (any race): 707

Age

Under 103,147
10 to 193,654
20 to 292,841
30 to 393,001
40 to 492,936
50 to 593,797
60 to 692,852
70 to 791,545
80 and older654

Income and housing in 20659

Poverty rate

7.2%

Median earnings

$65,130

Median household income

$117,571

Median home value

$388,400

Median gross rent

$1,781

Education

High school graduate92.0%
Bachelor's degree25.8%
Graduate degree10.9%

Places covering 20659

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.

St. Mary's County98.4%
Charles County1.6%

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

76.3% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 20659

IRS populationACS population

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.
Year	ACS population	IRS population
2005		22,496
2006		21,770
2007		22,585
2008		22,159
2009		22,141
2010		22,238
2011	23,165	22,331
2012	23,320	22,440
2013	23,872	22,670
2014	24,010	22,530
2015	24,656	22,740
2016	23,946	22,740
2017	23,484	22,950
2018	23,358	22,830
2019	23,312	22,960
2020	23,030	23,120
2021	23,990	22,590
2022	23,346	23,010
2023	23,918

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

ZIP codes near 20659

12 nearest ZIP centroids (any distance)

20660Morganza3.0 miPop 16 · Income —
20624Clements4.8 miPop 1,157 · Income $99,638
20656Loveville5.5 miPop 122 · Income —
20621Chaptico6.8 miPop 902 · Income —
20612Benedict7.6 miPop 68 · Income —
20622Charlotte Hall7.9 miPop 5,259 · Income $118,938
20637Hughesville8.2 miPop 6,337 · Income $149,821
20609Avenue8.8 miPop 976 · Income $114,181
20636Hollywood9.7 miPop 10,357 · Income $159,800
20618Bushwood9.8 miPop 1,513 · Income $103,115
20615Broomes Island9.9 miPop 422 · Income $191,944
20606Abell10.4 miPop 204 · Income $86,406

ZIP centroids within 2 miles

No other ZIP codes within 2 miles of 20659, measured by Census internal-point centroids. Try a wider radius.

ZIPs within 2 miles of this place

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Radius (miles)

20659 Mechanicsville, MD

Looking up ZIP codes within 2 miles of 20659 Mechanicsville, MD, measured by centroid distance.

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ZIP code 20659 FAQ

What city is ZIP code 20659 in?: 20659 is in Mechanicsville, MD.
What county is 20659 in?: 20659 is in St. Mary's County.
What is the median household income in 20659?: The median household income in 20659 is $117,571.
Which ZIP codes are near 20659?: Use the radius tool on this page to list ZIP codes within a chosen distance of 20659.