US ZIP Code Map
Loading ZIP borders…

Layers

ZIP code

20686

Saint Marys City, MD

PO BOX

20686 covers Saint Marys City in St. Mary's County, with 949 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

949

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 20686. Methodology

About ZIP code 20686

Type

PO BOX

Timezone

America/New_York

Area codes

227, 240, 301

Land area

0.3 sq mi

Water area

1.54 sq mi

Households

0

Acceptable cities: Saint Marys, St Marys City

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 20686. Not ACS. Methodology

People in 20686

Race

  • White722
  • Black or African American132
  • American Indian or Alaska Native5
  • Asian45
  • Native Hawaiian and Pacific Islander2
  • Other race23
  • Two or more races48

Hispanic or Latino (any race): 76

Age

  • Under 106
  • 10 to 19353
  • 20 to 29587
  • 30 to 3910
  • 40 to 497
  • 50 to 593
  • 60 to 696
  • 70 to 794
  • 80 and older1

Income and housing in 20686

Median earnings

$4,187

Education

  • High school graduate100.0%
  • Bachelor's degree100.0%
  • Graduate degree57.1%

Places covering 20686

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.

No place overlap rows for this ZIP.

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

100.0% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 20686

IRS populationACS population
1,917959020052023

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
2005415
2006398
2007397
2009373
2010349
20111,098340
2012754300
2013933300
20141,020300
20151,720290
20161,583250
20171,532240
20181,471240
20191,775220
20201,639
20211,135
2022963
2023949

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

ZIP codes near 20686

12 nearest ZIP centroids (any distance)

  1. 20667Park Hall2.1 miPop 98 · Income —
  2. 20630Drayden2.5 miPop 346 · Income $227,581
  3. 20653Lexington Park3.5 miPop 26,799 · Income $97,923
  4. 20692Valley Lee3.7 miPop 438 · Income $120,491
  5. 20684Saint Inigoes4.3 miPop 825 · Income $176,938
  6. 20634Great Mills5.2 miPop 6,976 · Income $117,431
  7. 20628Dameron5.6 miPop 791 · Income $160,043
  8. 20620Callaway5.8 miPop 1,160 · Income $154,188
  9. 20674Piney Point5.9 miPop 638 · Income $126,029
  10. 20690Tall Timbers5.9 miPop 1,046 · Income $129,236
  11. 20680Ridge6.0 miPop 702 · Income $81,125
  12. 20670Patuxent River6.9 miPop 1,577 · Income $70,945

ZIP centroids within 2 miles

No other ZIP codes within 2 miles of 20686, measured by Census internal-point centroids. Try a wider radius.

ZIPs within 2 miles of this place

Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.

20686 Saint Marys City, MD

Looking up ZIP codes within 2 miles of 20686 Saint Marys City, MD, measured by centroid distance.

Selected —

ACS population

—

Households

—

Avg median income

—

Avg median home

—

Selected ZIP codes

One ZIP code per line. Leading zeros preserved.

ZIP code 20686 FAQ

What city is ZIP code 20686 in?
20686 is in Saint Marys City, MD.
What county is 20686 in?
20686 is in St. Mary's County.
What is the median household income in 20686?
Median household income is not published for 20686.
Which ZIP codes are near 20686?
Use the radius tool on this page to list ZIP codes within a chosen distance of 20686.