Simi Valley CA vs St. Louis MO — Cost of Living, Crime & Income Comparison 2026
Updated May 2026 · Source: US Census ACS 5-Year (2023), FBI CDE (2023), BLS OEWS (2024)
Simi Valley, CA
California · Population: 125,769
- Median HH Income$117,703
- Median Home Price$839,862
- Unemployment4.5%
- Bachelor's+37.5%
St. Louis, MO
Missouri · Population: 293,109
- Median HH Income$55,279
- Median Home Price$185,100
- Unemployment5.1%
- Bachelor's+40.2%
Detailed Comparison
Demographics
Population
Simi Valley
125,769
St. Louis
293,109
St. Louis +
Pop. Density / sq mi
Lower = more space
Simi Valley
N/A
St. Louis
N/A
Median Age
Simi Valley
41.8
St. Louis
36.6
St. Louis +
Foreign Born
Simi Valley
18.2%
Simi Valley +
St. Louis
6.6%
White
Simi Valley
63.3%
Simi Valley +
St. Louis
45.7%
Black
Simi Valley
1.4%
St. Louis
43.1%
St. Louis +
Asian
Simi Valley
10.7%
Simi Valley +
St. Louis
3.4%
Hispanic
Simi Valley
27.1%
Simi Valley +
St. Louis
5.1%
Spanish at Home
Simi Valley
N/A
St. Louis
N/A
| Metric | Simi Valley, CA | St. Louis, MO | Better |
|---|---|---|---|
| Population | 125,769 | 293,109 | St. Louis + |
| Pop. Density / sq miLower = more space | N/A | N/A | - |
| Median Age | 41.8 | 36.6 | St. Louis + |
| Foreign Born | 18.2% | 6.6% | Simi Valley + |
| White | 63.3% | 45.7% | Simi Valley + |
| Black | 1.4% | 43.1% | St. Louis + |
| Asian | 10.7% | 3.4% | Simi Valley + |
| Hispanic | 27.1% | 5.1% | Simi Valley + |
| Spanish at Home | N/A | N/A | - |
Economy
Median HH Income
Simi Valley
$117,703
Simi Valley +
St. Louis
$55,279
Per Capita Income
Simi Valley
$53,828
Simi Valley +
St. Louis
$38,947
Per Capita Personal Income (MSA)
BEA MSA-level
Simi Valley
$77,230
Simi Valley +
St. Louis
$58,527
Unemployment Rate
Simi Valley
4.5%
Simi Valley +
St. Louis
5.1%
Poverty Rate
Simi Valley
6.7%
Simi Valley +
St. Louis
19.8%
Bachelor's Degree+
Simi Valley
37.5%
St. Louis
40.2%
St. Louis +
| Metric | Simi Valley, CA | St. Louis, MO | Better |
|---|---|---|---|
| Median HH Income | $117,703 | $55,279 | Simi Valley + |
| Per Capita Income | $53,828 | $38,947 | Simi Valley + |
| Per Capita Personal Income (MSA)BEA MSA-level | $77,230 | $58,527 | Simi Valley + |
| Unemployment Rate | 4.5% | 5.1% | Simi Valley + |
| Poverty Rate | 6.7% | 19.8% | Simi Valley + |
| Bachelor's Degree+ | 37.5% | 40.2% | St. Louis + |
Housing
Median Home Value
Zillow ZHVI / Census ACS
Simi Valley
$839,862
St. Louis
$185,100
St. Louis +
Homeownership Rate
Simi Valley
73.0%
Simi Valley +
St. Louis
45.4%
| Metric | Simi Valley, CA | St. Louis, MO | Better |
|---|---|---|---|
| Median Home ValueZillow ZHVI / Census ACS | $839,862 | $185,100 | St. Louis + |
| Homeownership Rate | 73.0% | 45.4% | Simi Valley + |
Safety
Violent Crime / 100K
FBI CDE (state-level est.)
Simi Valley
503
St. Louis
501
St. Louis +
Property Crime / 100K
FBI CDE (state-level est.)
Simi Valley
2388
Simi Valley +
St. Louis
2418
| Metric | Simi Valley, CA | St. Louis, MO | Better |
|---|---|---|---|
| Violent Crime / 100KFBI CDE (state-level est.) | 503 | 501 | St. Louis + |
| Property Crime / 100KFBI CDE (state-level est.) | 2388 | 2418 | Simi Valley + |
Health
Obesity Rate
CDC PLACES
Simi Valley
24.4%
Simi Valley +
St. Louis
36.8%
Diabetes Rate
CDC PLACES
Simi Valley
10.3%
Simi Valley +
St. Louis
13.2%
Poor Mental Health
CDC PLACES — 14+ days/month
Simi Valley
16.3%
Simi Valley +
St. Louis
18.8%
No Health Insurance
CDC PLACES
Simi Valley
7.4%
Simi Valley +
St. Louis
9.4%
Binge Drinking
CDC PLACES
Simi Valley
16.3%
Simi Valley +
St. Louis
17.9%
Current Smokers
CDC PLACES
Simi Valley
10.1%
Simi Valley +
St. Louis
16.8%
| Metric | Simi Valley, CA | St. Louis, MO | Better |
|---|---|---|---|
| Obesity RateCDC PLACES | 24.4% | 36.8% | Simi Valley + |
| Diabetes RateCDC PLACES | 10.3% | 13.2% | Simi Valley + |
| Poor Mental HealthCDC PLACES — 14+ days/month | 16.3% | 18.8% | Simi Valley + |
| No Health InsuranceCDC PLACES | 7.4% | 9.4% | Simi Valley + |
| Binge DrinkingCDC PLACES | 16.3% | 17.9% | Simi Valley + |
| Current SmokersCDC PLACES | 10.1% | 16.8% | Simi Valley + |
Climate
Avg Annual Temp
NOAA 1991–2020 normal
Simi Valley
N/A
St. Louis
N/A
Annual Precipitation
NOAA 1991–2020 normal
Simi Valley
N/A
St. Louis
N/A
| Metric | Simi Valley, CA | St. Louis, MO | Better |
|---|---|---|---|
| Avg Annual TempNOAA 1991–2020 normal | N/A | N/A | - |
| Annual PrecipitationNOAA 1991–2020 normal | N/A | N/A | - |
Air Quality
PM2.5 Annual Avg
EPA AQS (state-level est.)
Simi Valley
7.9 µg/m³
Simi Valley +
St. Louis
9.3 µg/m³
Good Air Days
AQI ≤ 50
Simi Valley
75.0%
Simi Valley +
St. Louis
55.0%
| Metric | Simi Valley, CA | St. Louis, MO | Better |
|---|---|---|---|
| PM2.5 Annual AvgEPA AQS (state-level est.) | 7.9 µg/m³ | 9.3 µg/m³ | Simi Valley + |
| Good Air DaysAQI ≤ 50 | 75.0% | 55.0% | Simi Valley + |
Commute
Mean Commute Time
Census ACS
Simi Valley
31.0 min
St. Louis
24.0 min
St. Louis +
| Metric | Simi Valley, CA | St. Louis, MO | Better |
|---|---|---|---|
| Mean Commute TimeCensus ACS | 31.0 min | 24.0 min | St. Louis + |
Which City is Right for You?
Simi Valley leads in median household income at $117,703, while st. Louis offers more affordable housing with a median home price of $185,100. On public safety, St. Louis is safer with a violent crime rate of 501 per 100,000 residents, compared to 503 in Simi Valley. Simi Valley has a lower unemployment rate at 4.5%, and Simi Valley has cleaner air (PM2.5 avg 7.9 µg/m³). For overall health outcomes, Simi Valley scores better with a lower obesity rate of 24.4%.
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