Potomac, MD vs Rockville, MD

Side-by-side comparison from the latest government data.

MetricPotomac, MDRockville, MD
Population45,90267,671
Median Household Income$236,675$128,649
Median Rent$2,887/mo$2,274/mo
Median Home Value$1,157,000$682,300
Cost of Living (US = 100)109109
Renters Paying 30%+ of Income39.3%49.3%
Poverty Rate3.9%7.6%
Unemployment Rate3.7% (county)3.8%
Violent Crime Rate /100k167*108
Property Crime Rate /100k1,571*1,267
Median AQI3939
Good AQI Days /yr299299
Summer Highs85°F85°F
Winter Lows29°F29°F
Snowfall6 in/yr6 in/yr
Avg Commute29.7 min30.7 min
Hospitals—1
Avg Hospital Rating—2.0 / 5
Students per Teacher16.415.3
College Degree Rate84.9%65.6%
Foreign-Born %28.8%35.6%
Population Growth (2020–2025)+0.6%+0.7%

Green = clearly better (more than 5% apart). Population, growth, weather, hospital count and foreign-born share aren’t scored.
* Rate of the agency that polices Potomac (the city has no police department of its own), so it isn’t scored.