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Population & People
Population
24,825
Median age
37.9
Median household income
$141,639
Poverty rate
3.1%
Unemployment rate
2.5%
Bachelor's degree+
58.0%
Avg. commute
22 min
Hispanic or Latino
9.7%
Source: U.S. Census Bureau, American Community Survey.
Housing & Rent
Median home value
$564,200
Median gross rent
$2,158/mo
Homeownership rate
86.48%
HUD FMR — 2 bedroom
$1,657
HUD Fair Market Rent (Maryland statewide average across 24 areas — not specific to Arnold), 2026. Efficiency $1314, 1BR $1404, 2BR $1657, 3BR $2133, 4BR $2449. This is a different official figure from Census median gross rent above.
Energy
Maryland commercial electricity
14.74¢/kWh
Maryland industrial electricity
12.5¢/kWh
Maryland residential electricity
19.48¢/kWh
Economy
Gross Domestic Product: All Industry Total
568139.7
Real Gross Domestic Product: All Industry Total
436172
All-Transactions House Price Index for Maryland
722.18
Unemployment Rate
4.2%
Source: FRED, Maryland-specific series.