Plymouth MN vs St. Charles MO — Cost of Living, Crime & Income Comparison 2026

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

Plymouth, MN

Minnesota · Population: 79,526

  • Median HH Income$133,865
  • Median Home Price$514,358
  • Unemployment2.0%
  • Bachelor's+64.8%

St. Charles, MO

Missouri · Population: 71,542

  • Median HH Income$55,578
  • Median Home Price$144,200
  • Unemployment4.7%
  • Bachelor's+22.7%

Detailed Comparison

Demographics

Population
Plymouth
79,526
Plymouth +
St. Charles
71,542
Pop. Density / sq mi
Lower = more space
Plymouth
N/A
St. Charles
N/A
Median Age
Plymouth
40.7
St. Charles
37.9
St. Charles +
Foreign Born
Plymouth
13.6%
Plymouth +
St. Charles
4.2%
White
Plymouth
74.8%
St. Charles
80.4%
St. Charles +
Black
Plymouth
5.0%
St. Charles
6.7%
St. Charles +
Asian
Plymouth
10.1%
Plymouth +
St. Charles
1.4%
Hispanic
Plymouth
4.7%
St. Charles
7.7%
St. Charles +
Spanish at Home
Plymouth
N/A
St. Charles
N/A

Economy

Median HH Income
Plymouth
$133,865
Plymouth +
St. Charles
$55,578
Per Capita Income
Plymouth
$69,839
Plymouth +
St. Charles
$31,499
Per Capita Personal Income (MSA)
BEA MSA-level
Plymouth
$69,467
Plymouth +
St. Charles
$58,527
Unemployment Rate
Plymouth
2.0%
Plymouth +
St. Charles
4.7%
Poverty Rate
Plymouth
4.1%
Plymouth +
St. Charles
18.7%
Bachelor's Degree+
Plymouth
64.8%
Plymouth +
St. Charles
22.7%

Housing

Median Home Value
Zillow ZHVI / Census ACS
Plymouth
$514,358
St. Charles
$144,200
St. Charles +
Homeownership Rate
Plymouth
74.7%
Plymouth +
St. Charles
61.4%

Safety

Violent Crime / 100K
FBI CDE (state-level est.)
Plymouth
284
Plymouth +
St. Charles
501
Property Crime / 100K
FBI CDE (state-level est.)
Plymouth
1992
Plymouth +
St. Charles
2418

Health

Obesity Rate
CDC PLACES
Plymouth
24.1%
Plymouth +
St. Charles
35.9%
Diabetes Rate
CDC PLACES
Plymouth
7.0%
Plymouth +
St. Charles
10.4%
Poor Mental Health
CDC PLACES — 14+ days/month
Plymouth
12.7%
Plymouth +
St. Charles
16.0%
No Health Insurance
CDC PLACES
Plymouth
5.3%
Plymouth +
St. Charles
7.1%
Binge Drinking
CDC PLACES
Plymouth
18.5%
St. Charles
18.4%
St. Charles +
Current Smokers
CDC PLACES
Plymouth
8.5%
Plymouth +
St. Charles
12.5%

Climate

Avg Annual Temp
NOAA 1991–2020 normal
Plymouth
N/A
St. Charles
N/A
Annual Precipitation
NOAA 1991–2020 normal
Plymouth
N/A
St. Charles
N/A

Air Quality

PM2.5 Annual Avg
EPA AQS (state-level est.)
Plymouth
8.1 µg/m³
Plymouth +
St. Charles
9.3 µg/m³
Good Air Days
AQI ≤ 50
Plymouth
75.0%
Plymouth +
St. Charles
55.0%

Commute

Mean Commute Time
Census ACS
Plymouth
24.5 min
St. Charles
18.3 min
St. Charles +

Which City is Right for You?

Plymouth leads in median household income at $133,865, while st. Charles offers more affordable housing with a median home price of $144,200. On public safety, Plymouth is safer with a violent crime rate of 284 per 100,000 residents, compared to 501 in St. Charles. Plymouth has a lower unemployment rate at 2.0%, and Plymouth has cleaner air (PM2.5 avg 8.1 µg/m³). For overall health outcomes, Plymouth scores better with a lower obesity rate of 24.1%.

Compare More Cities

About Plymouth & St. Charles