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Carney CDP, MD

ZIP Code 21234 — Carney CDP, MD Demographics & Data

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

Middle ClassLarge CommunityLow Snow Area

Map, Quick Facts & Location

Quick Facts

Local time
Population
65,010
Median Income
$83,139
+11% vs US avg
Home Value
$276,000
-21% vs US avg
Median Rent
$1,367
+18% vs US avg
Median Age
40.7 yrs
+5% vs US avg
Area Code
Congress
Top Ancestry
GermanIrishEnglish
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Location
Coordinates
39.3934, -76.5342
Elevation
235 ft
Land Area
13.0 sq mi
Water Area
0.0 sq mi (0% water)

At a glance

Population
65,010
Density
N/A
Median income
$83,139
+11% vs US avg
Home value
$276,000
-21% vs US avg
Median rent
$1,367
+18% vs US avg
Timezone

Overview of ZIP Code 21234

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What to know about ZIP 21234

ZIP code 21234 covers Carney, MD in Baltimore County with a population of about 65,010.

At a glance, the area shows median age of 40.7 versus a U.S. median of about 38.9.

It sits in telephone area codes 410, 443, 667; U.S. House district MD-2; the BALTIMORE media market.

Income and economy in Carney, MD

Median household income in ZIP 21234 is about $83,139 — about 11% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 7.2%; unemployment rate near 3.5%; 36.5% of adults with a bachelor’s degree or higher (about 2.8 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Education, and Retail trade; about 13.3% of workers reporting work-from-home (about 1.9 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 21234

Median home value is about $276,000 — about 21% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,367 (about 18% above the U.S. median rent ($1,163)), and owner-occupancy near 65.2% (roughly in line with the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 21234 in Carney, MD, a household would need roughly $76,000 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 $1,773. That is roughly in line with the local median household income ($83,139). 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 Carney CDP, MD as Relatively High (composite score 95.0), which is among the highest nationally. The strongest component scores on US5 are flood (94.3) and hurricane (92.3). 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 Carney CDP, MD show little to no average snow.

IRS migration statistics show a net inflow of about 3,819 for ZIP 21234 (Carney CDP, 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 MTN (8.0 miles (12.8 km)) · Goucher College (3.4 miles (5.5 km)) · Hampton National Historic Site (3.3 miles (5.3 km)) · VA: RCS North Atlantic District 1 (4.1 miles (6.5 km))

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