Rapid City SD vs San Diego CA — Cost of Living, Crime & Income Comparison 2026

Updated May 2026 · Source: US Census ACS 5-Year (2023), FBI CDE (2023), BLS OEWS (2024)

Rapid City, SD

South Dakota · Population: 76,836

  • Median HH Income$65,712
  • Median Home Price$363,258
  • Unemployment3.2%
  • Bachelor's+36.4%

San Diego, CA

California · Population: 1,385,061

  • Median HH Income$104,321
  • Median Home Price$1,006,261
  • Unemployment5.9%
  • Bachelor's+49.9%

Detailed Comparison

Demographics

Population
Rapid City
76,836
San Diego
1,385,061
San Diego +
Pop. Density / sq mi
Lower = more space
Rapid City
N/A
San Diego
N/A
Median Age
Rapid City
39.0
San Diego
36.0
San Diego +
Foreign Born
Rapid City
2.3%
San Diego
24.8%
San Diego +
White
Rapid City
78.3%
Rapid City +
San Diego
50.4%
Black
Rapid City
1.6%
San Diego
5.7%
San Diego +
Asian
Rapid City
1.3%
San Diego
17.6%
San Diego +
Hispanic
Rapid City
5.6%
San Diego
29.6%
San Diego +
Spanish at Home
Rapid City
N/A
San Diego
N/A

Economy

Median HH Income
Rapid City
$65,712
San Diego
$104,321
San Diego +
Per Capita Income
Rapid City
$40,447
San Diego
$54,678
San Diego +
Per Capita Personal Income (MSA)
BEA MSA-level
Rapid City
$69,795
San Diego
$77,230
San Diego +
Unemployment Rate
Rapid City
3.2%
Rapid City +
San Diego
5.9%
Poverty Rate
Rapid City
13.3%
San Diego
11.1%
San Diego +
Bachelor's Degree+
Rapid City
36.4%
San Diego
49.9%
San Diego +

Housing

Median Home Value
Zillow ZHVI / Census ACS
Rapid City
$363,258
Rapid City +
San Diego
$1,006,261
Homeownership Rate
Rapid City
61.6%
Rapid City +
San Diego
47.6%

Safety

Violent Crime / 100K
FBI CDE (state-level est.)
Rapid City
405
Rapid City +
San Diego
503
Property Crime / 100K
FBI CDE (state-level est.)
Rapid City
1873
Rapid City +
San Diego
2388

Health

Obesity Rate
CDC PLACES
Rapid City
34.0%
San Diego
24.2%
San Diego +
Diabetes Rate
CDC PLACES
Rapid City
11.8%
San Diego
9.2%
San Diego +
Poor Mental Health
CDC PLACES — 14+ days/month
Rapid City
16.0%
Rapid City +
San Diego
16.5%
No Health Insurance
CDC PLACES
Rapid City
9.6%
San Diego
8.5%
San Diego +
Binge Drinking
CDC PLACES
Rapid City
20.5%
San Diego
16.9%
San Diego +
Current Smokers
CDC PLACES
Rapid City
15.9%
San Diego
9.3%
San Diego +

Climate

Avg Annual Temp
NOAA 1991–2020 normal
Rapid City
46.3°F
Rapid City +
San Diego
61.6°F
Annual Precipitation
NOAA 1991–2020 normal
Rapid City
18.4 in
San Diego
12.3 in
San Diego +

Air Quality

PM2.5 Annual Avg
EPA AQS (state-level est.)
Rapid City
7.3 µg/m³
Rapid City +
San Diego
7.9 µg/m³
Good Air Days
AQI ≤ 50
Rapid City
75.0%
San Diego
75.0%
Tie

Commute

Mean Commute Time
Census ACS
Rapid City
18.8 min
Rapid City +
San Diego
25.9 min

Which City is Right for You?

San Diego leads in median household income at $104,321, while rapid City offers more affordable housing with a median home price of $363,258. On public safety, Rapid City is safer with a violent crime rate of 405 per 100,000 residents, compared to 503 in San Diego. Rapid City has a lower unemployment rate at 3.2%, and Rapid City has cleaner air (PM2.5 avg 7.3 µg/m³). For overall health outcomes, San Diego scores better with a lower obesity rate of 24.2%.

Compare More Cities

About Rapid City & San Diego