Boulder CO vs Springfield IL — Cost of Living, Crime & Income Comparison 2026
Updated May 2026 · Source: US Census ACS 5-Year (2023), FBI CDE (2023), BLS OEWS (2024)
Boulder, CO
Colorado · Population: 106,274
- Median HH Income$85,364
- Median Home Price$970,905
- Unemployment6.1%
- Bachelor's+76.8%
Springfield, IL
Illinois · Population: 113,714
- Median HH Income$65,537
- Median Home Price$168,312
- Unemployment6.7%
- Bachelor's+35.1%
Detailed Comparison
Demographics
Population
Boulder
106,274
Springfield
113,714
Springfield +
Pop. Density / sq mi
Lower = more space
Boulder
N/A
Springfield
N/A
Median Age
Boulder
28.8
Boulder +
Springfield
40.7
Foreign Born
Boulder
10.2%
Boulder +
Springfield
4.5%
White
Boulder
81.8%
Boulder +
Springfield
70.5%
Black
Boulder
1.1%
Springfield
19.8%
Springfield +
Asian
Boulder
5.8%
Boulder +
Springfield
2.9%
Hispanic
Boulder
11.2%
Boulder +
Springfield
3.4%
Spanish at Home
Boulder
N/A
Springfield
N/A
| Metric | Boulder, CO | Springfield, IL | Better |
|---|---|---|---|
| Population | 106,274 | 113,714 | Springfield + |
| Pop. Density / sq miLower = more space | N/A | N/A | - |
| Median Age | 28.8 | 40.7 | Boulder + |
| Foreign Born | 10.2% | 4.5% | Boulder + |
| White | 81.8% | 70.5% | Boulder + |
| Black | 1.1% | 19.8% | Springfield + |
| Asian | 5.8% | 2.9% | Boulder + |
| Hispanic | 11.2% | 3.4% | Boulder + |
| Spanish at Home | N/A | N/A | - |
Economy
Median HH Income
Boulder
$85,364
Boulder +
Springfield
$65,537
Per Capita Income
Boulder
$59,450
Boulder +
Springfield
$41,110
Per Capita Personal Income (MSA)
BEA MSA-level
Boulder
$76,653
Boulder +
Springfield
$68,110
Unemployment Rate
Boulder
6.1%
Boulder +
Springfield
6.7%
Poverty Rate
Boulder
21.8%
Springfield
16.5%
Springfield +
Bachelor's Degree+
Boulder
76.8%
Boulder +
Springfield
35.1%
| Metric | Boulder, CO | Springfield, IL | Better |
|---|---|---|---|
| Median HH Income | $85,364 | $65,537 | Boulder + |
| Per Capita Income | $59,450 | $41,110 | Boulder + |
| Per Capita Personal Income (MSA)BEA MSA-level | $76,653 | $68,110 | Boulder + |
| Unemployment Rate | 6.1% | 6.7% | Boulder + |
| Poverty Rate | 21.8% | 16.5% | Springfield + |
| Bachelor's Degree+ | 76.8% | 35.1% | Boulder + |
Housing
Median Home Value
Zillow ZHVI / Census ACS
Boulder
$970,905
Springfield
$168,312
Springfield +
Homeownership Rate
Boulder
47.9%
Springfield
63.4%
Springfield +
| Metric | Boulder, CO | Springfield, IL | Better |
|---|---|---|---|
| Median Home ValueZillow ZHVI / Census ACS | $970,905 | $168,312 | Springfield + |
| Homeownership Rate | 47.9% | 63.4% | Springfield + |
Safety
Violent Crime / 100K
FBI CDE (state-level est.)
Boulder
512
Springfield
344
Springfield +
Property Crime / 100K
FBI CDE (state-level est.)
Boulder
3234
Springfield
1842
Springfield +
| Metric | Boulder, CO | Springfield, IL | Better |
|---|---|---|---|
| Violent Crime / 100KFBI CDE (state-level est.) | 512 | 344 | Springfield + |
| Property Crime / 100KFBI CDE (state-level est.) | 3234 | 1842 | Springfield + |
Health
Obesity Rate
CDC PLACES
Boulder
16.5%
Boulder +
Springfield
41.1%
Diabetes Rate
CDC PLACES
Boulder
5.7%
Boulder +
Springfield
12.9%
Poor Mental Health
CDC PLACES — 14+ days/month
Boulder
17.9%
Springfield
17.3%
Springfield +
No Health Insurance
CDC PLACES
Boulder
8.6%
Springfield
8.2%
Springfield +
Binge Drinking
CDC PLACES
Boulder
19.8%
Springfield
16.7%
Springfield +
Current Smokers
CDC PLACES
Boulder
9.0%
Boulder +
Springfield
14.7%
| Metric | Boulder, CO | Springfield, IL | Better |
|---|---|---|---|
| Obesity RateCDC PLACES | 16.5% | 41.1% | Boulder + |
| Diabetes RateCDC PLACES | 5.7% | 12.9% | Boulder + |
| Poor Mental HealthCDC PLACES — 14+ days/month | 17.9% | 17.3% | Springfield + |
| No Health InsuranceCDC PLACES | 8.6% | 8.2% | Springfield + |
| Binge DrinkingCDC PLACES | 19.8% | 16.7% | Springfield + |
| Current SmokersCDC PLACES | 9.0% | 14.7% | Boulder + |
Climate
Avg Annual Temp
NOAA 1991–2020 normal
Boulder
51.6°F
Springfield
N/A
Annual Precipitation
NOAA 1991–2020 normal
Boulder
20.7 in
Boulder +
Springfield
37.7 in
| Metric | Boulder, CO | Springfield, IL | Better |
|---|---|---|---|
| Avg Annual TempNOAA 1991–2020 normal | 51.6°F | N/A | - |
| Annual PrecipitationNOAA 1991–2020 normal | 20.7 in | 37.7 in | Boulder + |
Air Quality
PM2.5 Annual Avg
EPA AQS (state-level est.)
Boulder
6.2 µg/m³
Boulder +
Springfield
9.4 µg/m³
Good Air Days
AQI ≤ 50
Boulder
75.0%
Boulder +
Springfield
55.0%
| Metric | Boulder, CO | Springfield, IL | Better |
|---|---|---|---|
| PM2.5 Annual AvgEPA AQS (state-level est.) | 6.2 µg/m³ | 9.4 µg/m³ | Boulder + |
| Good Air DaysAQI ≤ 50 | 75.0% | 55.0% | Boulder + |
Commute
Mean Commute Time
Census ACS
Boulder
21.0 min
Springfield
19.4 min
Springfield +
| Metric | Boulder, CO | Springfield, IL | Better |
|---|---|---|---|
| Mean Commute TimeCensus ACS | 21.0 min | 19.4 min | Springfield + |
Which City is Right for You?
Boulder leads in median household income at $85,364, while springfield offers more affordable housing with a median home price of $168,312. On public safety, Springfield is safer with a violent crime rate of 344 per 100,000 residents, compared to 512 in Boulder. Boulder has a lower unemployment rate at 6.1%, and Boulder has cleaner air (PM2.5 avg 6.2 µg/m³). For overall health outcomes, Boulder scores better with a lower obesity rate of 16.5%.
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