Altadena, CA vs Sierra Madre, CA

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

MetricAltadena, CASierra Madre, CA
Population41,70510,940
Median Household Income$128,720$143,547
Median Rent$2,355/mo$2,198/mo
Median Home Value$1,120,000$1,226,800
Cost of Living (US = 100)114114
Renters Paying 30%+ of Income55.1%40.6%
Poverty Rate7.9%4.6%
Unemployment Rate5.7% (county)5.7% (county)
Violent Crime Rate /100k632*216
Property Crime Rate /100k1,648*732
Median AQI7474
Good AQI Days /yr3939
Summer Highs88°F88°F
Winter Lows45°F45°F
Snowfall0 in/yr0 in/yr
Avg Commute27.5 min27.9 min
Hospitals——
Avg Hospital Rating——
Students per Teacher2025.2
College Degree Rate53.3%64%
Foreign-Born %22.7%17.7%
Population Growth (2020–2025)-6.5%-5.8%

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 Altadena (the city has no police department of its own), so it isn’t scored.