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, MD

ZIP Code 20686 — undefined, MD Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Low Snow Area

Map, Quick Facts & Location

Quick Facts

Local time
Population
949
Median Income
N/A
Home Value
N/A
Median Rent
N/A
Median Age
20.0 yrs
-49% vs US avg
City
N/A
Congress
Top Ancestry
IrishGermanEnglish
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Location
Coordinates
38.1780, -76.4296
Elevation
21 ft
Land Area
1.1 sq mi
Water Area
0.1 sq mi (4% water)

At a glance

Population
949
Density
N/A
Median income
N/A
Home value
N/A
Median rent
N/A
Timezone

Overview of ZIP Code 20686

UniversityUniversity / college area
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What to know about ZIP 20686

ZIP code 20686 covers MD in St. Mary's County with a population of about 949.

At a glance, the area shows median age of 20.0 versus a U.S. median of about 38.9.

It sits in U.S. House district MD-5; the WASHINGTON, DC (HAGRSTWN) media market.

Local search focus: University

MD sits in a university / college context (near st. mary's college of maryland (0.7 mi)). Expect stronger interest in student housing, rentals, walkability, transit, and a younger adult age mix versus typical suburban ZIPs.

Income and economy in MD

On socioeconomic markers, US5 shows a unemployment rate near 5.9%; 100.0% of adults with a bachelor’s degree or higher (about 66.3 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Education, Retail trade, and Food services; about 11.0% of workers reporting work-from-home (about 4.2 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Climate risk and migration signals

FEMA’s National Risk Index rates natural-hazard risk for MD as Very Low (composite score 42.6), which is near the middle of the national distribution. The strongest component scores on US5 are hurricane (85.1) and wildfire (59.0). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for MD show little to no average snow and around 46.3 inches of annual precipitation.

IRS migration statistics show a net inflow of about 56 for ZIP 20686 (MD) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.

Nearby (from this ZIP)

Airport NHK (7.5 miles (12.1 km)) · St. Mary's College of Maryland (0.7 miles (1.1 km)) · Harriet Tubman Underground Railroad National Historical Park (24.8 miles (40.0 km)) · VA: Patuxent River Naval Air Station (6.9 miles (11.1 km))

Full lists and map pins are in the Infrastructure section below.