Mobile AL vs Rapid City SD — Cost of Living, Crime & Income Comparison 2026
Updated May 2026 · Source: US Census ACS 5-Year (2023), FBI CDE (2023), BLS OEWS (2024)
Mobile, AL
Alabama · Population: 185,097
- Median HH Income$51,090
- Median Home Price$197,044
- Unemployment5.9%
- Bachelor's+31.5%
Rapid City, SD
South Dakota · Population: 76,836
- Median HH Income$65,712
- Median Home Price$363,258
- Unemployment3.2%
- Bachelor's+36.4%
Detailed Comparison
Demographics
Population
Mobile
185,097
Mobile +
Rapid City
76,836
Pop. Density / sq mi
Lower = more space
Mobile
N/A
Rapid City
N/A
Median Age
Mobile
37.7
Mobile +
Rapid City
39.0
Foreign Born
Mobile
3.8%
Mobile +
Rapid City
2.3%
White
Mobile
39.9%
Rapid City
78.3%
Rapid City +
Black
Mobile
52.9%
Mobile +
Rapid City
1.6%
Asian
Mobile
2.1%
Mobile +
Rapid City
1.3%
Hispanic
Mobile
3.1%
Rapid City
5.6%
Rapid City +
Spanish at Home
Mobile
N/A
Rapid City
N/A
| Metric | Mobile, AL | Rapid City, SD | Better |
|---|---|---|---|
| Population | 185,097 | 76,836 | Mobile + |
| Pop. Density / sq miLower = more space | N/A | N/A | - |
| Median Age | 37.7 | 39.0 | Mobile + |
| Foreign Born | 3.8% | 2.3% | Mobile + |
| White | 39.9% | 78.3% | Rapid City + |
| Black | 52.9% | 1.6% | Mobile + |
| Asian | 2.1% | 1.3% | Mobile + |
| Hispanic | 3.1% | 5.6% | Rapid City + |
| Spanish at Home | N/A | N/A | - |
Economy
Median HH Income
Mobile
$51,090
Rapid City
$65,712
Rapid City +
Per Capita Income
Mobile
$32,893
Rapid City
$40,447
Rapid City +
Per Capita Personal Income (MSA)
BEA MSA-level
Mobile
$51,690
Rapid City
$69,795
Rapid City +
Unemployment Rate
Mobile
5.9%
Rapid City
3.2%
Rapid City +
Poverty Rate
Mobile
18.9%
Rapid City
13.3%
Rapid City +
Bachelor's Degree+
Mobile
31.5%
Rapid City
36.4%
Rapid City +
| Metric | Mobile, AL | Rapid City, SD | Better |
|---|---|---|---|
| Median HH Income | $51,090 | $65,712 | Rapid City + |
| Per Capita Income | $32,893 | $40,447 | Rapid City + |
| Per Capita Personal Income (MSA)BEA MSA-level | $51,690 | $69,795 | Rapid City + |
| Unemployment Rate | 5.9% | 3.2% | Rapid City + |
| Poverty Rate | 18.9% | 13.3% | Rapid City + |
| Bachelor's Degree+ | 31.5% | 36.4% | Rapid City + |
Housing
Median Home Value
Zillow ZHVI / Census ACS
Mobile
$197,044
Mobile +
Rapid City
$363,258
Homeownership Rate
Mobile
51.4%
Rapid City
61.6%
Rapid City +
| Metric | Mobile, AL | Rapid City, SD | Better |
|---|---|---|---|
| Median Home ValueZillow ZHVI / Census ACS | $197,044 | $363,258 | Mobile + |
| Homeownership Rate | 51.4% | 61.6% | Rapid City + |
Safety
Violent Crime / 100K
FBI CDE (state-level est.)
Mobile
400
Mobile +
Rapid City
405
Property Crime / 100K
FBI CDE (state-level est.)
Mobile
1734
Mobile +
Rapid City
1873
| Metric | Mobile, AL | Rapid City, SD | Better |
|---|---|---|---|
| Violent Crime / 100KFBI CDE (state-level est.) | 400 | 405 | Mobile + |
| Property Crime / 100KFBI CDE (state-level est.) | 1734 | 1873 | Mobile + |
Health
Obesity Rate
CDC PLACES
Mobile
40.0%
Rapid City
34.0%
Rapid City +
Diabetes Rate
CDC PLACES
Mobile
17.0%
Rapid City
11.8%
Rapid City +
Poor Mental Health
CDC PLACES — 14+ days/month
Mobile
17.3%
Rapid City
16.0%
Rapid City +
No Health Insurance
CDC PLACES
Mobile
10.2%
Rapid City
9.6%
Rapid City +
Binge Drinking
CDC PLACES
Mobile
13.1%
Mobile +
Rapid City
20.5%
Current Smokers
CDC PLACES
Mobile
14.9%
Mobile +
Rapid City
15.9%
| Metric | Mobile, AL | Rapid City, SD | Better |
|---|---|---|---|
| Obesity RateCDC PLACES | 40.0% | 34.0% | Rapid City + |
| Diabetes RateCDC PLACES | 17.0% | 11.8% | Rapid City + |
| Poor Mental HealthCDC PLACES — 14+ days/month | 17.3% | 16.0% | Rapid City + |
| No Health InsuranceCDC PLACES | 10.2% | 9.6% | Rapid City + |
| Binge DrinkingCDC PLACES | 13.1% | 20.5% | Mobile + |
| Current SmokersCDC PLACES | 14.9% | 15.9% | Mobile + |
Climate
Avg Annual Temp
NOAA 1991–2020 normal
Mobile
67.4°F
Rapid City
46.3°F
Rapid City +
Annual Precipitation
NOAA 1991–2020 normal
Mobile
65.3 in
Rapid City
18.4 in
Rapid City +
| Metric | Mobile, AL | Rapid City, SD | Better |
|---|---|---|---|
| Avg Annual TempNOAA 1991–2020 normal | 67.4°F | 46.3°F | Rapid City + |
| Annual PrecipitationNOAA 1991–2020 normal | 65.3 in | 18.4 in | Rapid City + |
Air Quality
PM2.5 Annual Avg
EPA AQS (state-level est.)
Mobile
8.8 µg/m³
Rapid City
7.3 µg/m³
Rapid City +
Good Air Days
AQI ≤ 50
Mobile
75.0%
Rapid City
75.0%
Tie
| Metric | Mobile, AL | Rapid City, SD | Better |
|---|---|---|---|
| PM2.5 Annual AvgEPA AQS (state-level est.) | 8.8 µg/m³ | 7.3 µg/m³ | Rapid City + |
| Good Air DaysAQI ≤ 50 | 75.0% | 75.0% | Tie |
Commute
Mean Commute Time
Census ACS
Mobile
24.5 min
Rapid City
18.8 min
Rapid City +
| Metric | Mobile, AL | Rapid City, SD | Better |
|---|---|---|---|
| Mean Commute TimeCensus ACS | 24.5 min | 18.8 min | Rapid City + |
Which City is Right for You?
Rapid City leads in median household income at $65,712, while mobile offers more affordable housing with a median home price of $197,044. On public safety, Mobile is safer with a violent crime rate of 400 per 100,000 residents, compared to 405 in Rapid City. 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, Rapid City scores better with a lower obesity rate of 34.0%.
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