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, MD

ZIP Code 20636 — undefined, MD Demographics & Data

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

Wealthy AreaLow Snow AreaRemote Work Hub

Map, Quick Facts & Location

Quick Facts

Local time
Population
10,357
Median Income
$159,800
+113% vs US avg
Home Value
$470,300
+35% vs US avg
Median Rent
$1,053
-9% vs US avg
Median Age
39.5 yrs
+2% vs US avg
City
N/A
Area Code
Congress
Top Ancestry
EnglishIrishGerman
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Location
Coordinates
38.3521, -76.5672
Elevation
12 ft
Land Area
36.8 sq mi
Water Area
8.2 sq mi (18% water)

At a glance

Population
10,357
Density
N/A
Median income
$159,800
+113% vs US avg
Home value
$470,300
+35% vs US avg
Median rent
$1,053
-9% vs US avg
Timezone

Overview of ZIP Code 20636

AffluentHigh-income residential area
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What to know about ZIP 20636

ZIP code 20636 covers MD in St. Mary's County with a population of about 10,357.

At a glance, the area shows median age of 39.5 (near the U.S. median).

It sits in telephone area codes 227, 240, 301; U.S. House district MD-5; the WASHINGTON, DC (HAGRSTWN) media market.

Local search focus: Affluent

MD ranks among higher-income / higher-home-value communities on US5 (very high median household income (~$159,800)). Searchers often dig into housing affordability stretch, private schools, and neighborhood comparisons rather than entry-level rentals.

Income and economy in MD

Median household income in ZIP 20636 is about $159,800 — about 113% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 5.5%; unemployment rate near 4.2%; 37.4% of adults with a bachelor’s degree or higher (about 3.7 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Public administration, Professional services, and Construction; about 21.2% of workers reporting work-from-home (about 6.0 points above the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 20636

Median home value is about $470,300 — about 35% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,053 (about 9% below the U.S. median rent ($1,163)), and owner-occupancy near 87.6% (about 22.2 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 20636 in MD, a household would need roughly $129,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $3,021. That sits below the local median household income ($159,800), suggesting the typical household income is closer to a workable buy-in level under these assumptions. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

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.

IRS migration statistics show a net inflow of about 608 for ZIP 20636 (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 (9.6 miles (15.4 km)) · St. Mary's College of Maryland (13.5 miles (21.8 km)) · George Washington Birthplace National Monument (22.1 miles (35.6 km)) · VA: Patuxent River Naval Air Station (9.4 miles (15.1 km))

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