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ZIP Code 21919 — undefined, MD Demographics & Data

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

Upper Middle ClassLow Snow Area

Map, Quick Facts & Location

Quick Facts

Local time
Population
3,644
Median Income
$115,152
+53% vs US avg
Home Value
$347,900
-0% vs US avg
Median Rent
$1,323
+14% vs US avg
Median Age
48.1 yrs
+24% vs US avg
City
N/A
Area Code
Congress
Top Ancestry
GermanEnglishIrish
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Location
Coordinates
39.4186, -75.9337
Elevation
57 ft
Land Area
43.5 sq mi
Water Area
8.7 sq mi (17% water)

At a glance

Population
3,644
Density
N/A
Median income
$115,152
+53% vs US avg
Home value
$347,900
-0% vs US avg
Median rent
$1,323
+14% vs US avg
Timezone

Overview of ZIP Code 21919

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What to know about ZIP 21919

ZIP code 21919 covers MD in Cecil County with a population of about 3,644.

At a glance, the area shows median age of 48.1 versus a U.S. median of about 38.9.

It sits in telephone area codes 410, 443, 667; U.S. House district MD-1; the BALTIMORE media market.

Income and economy in MD

Median household income in ZIP 21919 is about $115,152 — about 53% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 9.4%; unemployment rate near 6.0%; 30.4% of adults with a bachelor’s degree or higher (about 3.3 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Construction, Healthcare, and Public administration; about 9.1% of workers reporting work-from-home (about 6.1 points below 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 21919

Median home value is about $347,900 — about even with the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,323 (about 14% above the U.S. median rent ($1,163)), and owner-occupancy near 89.2% (about 23.8 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 21919 in MD, a household would need roughly $96,000 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 $2,235. That sits below the local median household income ($115,152), 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 Relatively Low (composite score 58.6), which is near the middle of the national distribution. The strongest component scores on US5 are hurricane (78.3) and flood (60.8). 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 47.1 inches of annual precipitation.

IRS migration statistics show a net inflow of about 214 for ZIP 21919 (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 APG (13.0 miles (20.9 km)) · Cecil College (15.5 miles (24.9 km)) · First State National Historical Park (34.6 miles (55.7 km)) · VA: Aberdeen Proving Ground (9.9 miles (15.9 km))

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