Elgin IL vs Kennewick WA — Cost of Living, Crime & Income Comparison 2026
Updated May 2026 · Source: US Census ACS 5-Year (2023), FBI CDE (2023), BLS OEWS (2024)
Elgin, IL
Illinois · Population: 114,106
- Median HH Income$88,316
- Median Home Price$333,920
- Unemployment6.3%
- Bachelor's+26.0%
Kennewick, WA
Washington · Population: 23,594
- Median HH Income$137,926
- Median Home Price$433,399
- Unemployment3.0%
- Bachelor's+57.1%
Detailed Comparison
Demographics
Population
Elgin
114,106
Elgin +
Kennewick
23,594
Pop. Density / sq mi
Lower = more space
Elgin
N/A
Kennewick
N/A
Median Age
Elgin
36.3
Elgin +
Kennewick
38.7
Foreign Born
Elgin
26.5%
Elgin +
Kennewick
22.3%
White
Elgin
45.4%
Kennewick
67.9%
Kennewick +
Black
Elgin
5.2%
Elgin +
Kennewick
3.1%
Asian
Elgin
6.0%
Kennewick
14.8%
Kennewick +
Hispanic
Elgin
48.4%
Elgin +
Kennewick
10.7%
Spanish at Home
Elgin
N/A
Kennewick
N/A
| Metric | Elgin, IL | Kennewick, WA | Better |
|---|---|---|---|
| Population | 114,106 | 23,594 | Elgin + |
| Pop. Density / sq miLower = more space | N/A | N/A | - |
| Median Age | 36.3 | 38.7 | Elgin + |
| Foreign Born | 26.5% | 22.3% | Elgin + |
| White | 45.4% | 67.9% | Kennewick + |
| Black | 5.2% | 3.1% | Elgin + |
| Asian | 6.0% | 14.8% | Kennewick + |
| Hispanic | 48.4% | 10.7% | Elgin + |
| Spanish at Home | N/A | N/A | - |
Economy
Median HH Income
Elgin
$88,316
Kennewick
$137,926
Kennewick +
Per Capita Income
Elgin
$36,037
Kennewick
$70,195
Kennewick +
Per Capita Personal Income (MSA)
BEA MSA-level
Elgin
$68,110
Kennewick
$76,120
Kennewick +
Unemployment Rate
Elgin
6.3%
Kennewick
3.0%
Kennewick +
Poverty Rate
Elgin
10.4%
Kennewick
6.0%
Kennewick +
Bachelor's Degree+
Elgin
26.0%
Kennewick
57.1%
Kennewick +
| Metric | Elgin, IL | Kennewick, WA | Better |
|---|---|---|---|
| Median HH Income | $88,316 | $137,926 | Kennewick + |
| Per Capita Income | $36,037 | $70,195 | Kennewick + |
| Per Capita Personal Income (MSA)BEA MSA-level | $68,110 | $76,120 | Kennewick + |
| Unemployment Rate | 6.3% | 3.0% | Kennewick + |
| Poverty Rate | 10.4% | 6.0% | Kennewick + |
| Bachelor's Degree+ | 26.0% | 57.1% | Kennewick + |
Housing
Median Home Value
Zillow ZHVI / Census ACS
Elgin
$333,920
Elgin +
Kennewick
$433,399
Homeownership Rate
Elgin
71.5%
Elgin +
Kennewick
69.7%
| Metric | Elgin, IL | Kennewick, WA | Better |
|---|---|---|---|
| Median Home ValueZillow ZHVI / Census ACS | $333,920 | $433,399 | Elgin + |
| Homeownership Rate | 71.5% | 69.7% | Elgin + |
Safety
Violent Crime / 100K
FBI CDE (state-level est.)
Elgin
344
Elgin +
Kennewick
383
Property Crime / 100K
FBI CDE (state-level est.)
Elgin
1842
Elgin +
Kennewick
3409
| Metric | Elgin, IL | Kennewick, WA | Better |
|---|---|---|---|
| Violent Crime / 100KFBI CDE (state-level est.) | 344 | 383 | Elgin + |
| Property Crime / 100KFBI CDE (state-level est.) | 1842 | 3409 | Elgin + |
Health
Obesity Rate
CDC PLACES
Elgin
35.8%
Elgin +
Kennewick
37.4%
Diabetes Rate
CDC PLACES
Elgin
12.1%
Kennewick
10.9%
Kennewick +
Poor Mental Health
CDC PLACES — 14+ days/month
Elgin
16.0%
Elgin +
Kennewick
17.4%
No Health Insurance
CDC PLACES
Elgin
16.8%
Kennewick
13.1%
Kennewick +
Binge Drinking
CDC PLACES
Elgin
18.1%
Kennewick
16.7%
Kennewick +
Current Smokers
CDC PLACES
Elgin
12.2%
Kennewick
11.6%
Kennewick +
| Metric | Elgin, IL | Kennewick, WA | Better |
|---|---|---|---|
| Obesity RateCDC PLACES | 35.8% | 37.4% | Elgin + |
| Diabetes RateCDC PLACES | 12.1% | 10.9% | Kennewick + |
| Poor Mental HealthCDC PLACES — 14+ days/month | 16.0% | 17.4% | Elgin + |
| No Health InsuranceCDC PLACES | 16.8% | 13.1% | Kennewick + |
| Binge DrinkingCDC PLACES | 18.1% | 16.7% | Kennewick + |
| Current SmokersCDC PLACES | 12.2% | 11.6% | Kennewick + |
Climate
Avg Annual Temp
NOAA 1991–2020 normal
Elgin
48.7°F
Elgin +
Kennewick
54.7°F
Annual Precipitation
NOAA 1991–2020 normal
Elgin
37.8 in
Kennewick
7.7 in
Kennewick +
| Metric | Elgin, IL | Kennewick, WA | Better |
|---|---|---|---|
| Avg Annual TempNOAA 1991–2020 normal | 48.7°F | 54.7°F | Elgin + |
| Annual PrecipitationNOAA 1991–2020 normal | 37.8 in | 7.7 in | Kennewick + |
Air Quality
PM2.5 Annual Avg
EPA AQS (state-level est.)
Elgin
9.4 µg/m³
Kennewick
7.5 µg/m³
Kennewick +
Good Air Days
AQI ≤ 50
Elgin
55.0%
Kennewick
75.0%
Kennewick +
| Metric | Elgin, IL | Kennewick, WA | Better |
|---|---|---|---|
| PM2.5 Annual AvgEPA AQS (state-level est.) | 9.4 µg/m³ | 7.5 µg/m³ | Kennewick + |
| Good Air DaysAQI ≤ 50 | 55.0% | 75.0% | Kennewick + |
Commute
Mean Commute Time
Census ACS
Elgin
30.4 min
Elgin +
Kennewick
32.4 min
| Metric | Elgin, IL | Kennewick, WA | Better |
|---|---|---|---|
| Mean Commute TimeCensus ACS | 30.4 min | 32.4 min | Elgin + |
Which City is Right for You?
Kennewick leads in median household income at $137,926, while elgin offers more affordable housing with a median home price of $333,920. On public safety, Elgin is safer with a violent crime rate of 344 per 100,000 residents, compared to 383 in Kennewick. Kennewick has a lower unemployment rate at 3.0%, and Kennewick has cleaner air (PM2.5 avg 7.5 µg/m³). For overall health outcomes, Elgin scores better with a lower obesity rate of 35.8%.
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