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Seneca, IL
Full City Profile · Illinois · Grundy County County
3.1
/5.0
B
Good
2,525
Population
407/sq mi density
$91,065
Median Income
$42,714 per capita
$206,400
Home Value
$246,823 Zillow
$988
Median Rent
21.3% income on rent
50°F
Avg Temperature
275 sunny days/yr
649
Violent Crime/100K
2,509 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.5 / 5.0
$91,065 median income, 2.5% unemployment
A+
Affordability
5.0 / 5.0
$206,400 home value, $988/mo rent
F
Safety
1.0 / 5.0
649 violent crimes/100K (71% above avg)
C
Education
2.0 / 5.0
12.9% bachelor's degree or higher
Income Overview
Median Household Income
$91,065
21% above
US avg: $75,149
Per Capita Income
$42,714
9% above
US avg: $39,052
Unemployment Rate
2.5%
31% below
US avg: 3.6%
Poverty Rate
11.1%
10% below
US avg: 12.4%
Income Comparison: Seneca vs. U.S. Average
Each bar shows Seneca’s value as a percentage of the national average (100% line = U.S. avg)
Median Household
US: $75,149
$91,065
121%
Per Capita
US: $39,052
$42,714
109%
IRS Avg AGI
US: $72,000
$81,890
114%
Avg Weekly Wage
US: $1,432
$1,344
94%
Thin line = U.S. average (100%)
Employment & Commute
Avg Weekly Wage
$1,344
6% below US avg ($1,432)
Mean Commute Time
30 min
8% above US avg (28 min)
Work From Home
6.3%
59% below US avg (15.2%)
Drive Alone
77.5%
6% above US avg (73.2%)
Public Transit
0.0%
100% below US avg (5.0%)
County GDP
$6,044M
County-level GDP (BEA 2024)
How Residents Get to Work
Drive Alone
77.5%
Public Transit
0%
Work From Home
6.3%
Other
16.2%
Average commute time
30 minutes
US avg: 28 min
Business Landscape
Total Establishments
1,204
Restaurants
130
Healthcare
145
Retail
162
Manufacturing
43
Tax & Financial
IRS Avg Adjusted Gross Income
$81,890
14% above US avg ($72,000)
Avg Property Tax
$6,618
89% above US avg ($3,500)
Cost of Living Index
100.0
Below national average (100 = US avg)
Complete Economy Data
Income & Wages
| Median Household Income | $91,065 |
| Per Capita Income | $42,714 |
| IRS Avg Adjusted Gross Income | $81,890 |
| Avg Weekly Wage | $1,344 |
| County GDP | $6,044M |
Hardship Indicators
| Unemployment Rate | 2.5% |
| Poverty Rate | 11.1% |
| Gini Coefficient | 0.396 |
| Cost of Living Index | 100.0 |
Commute
| Mean Commute | 30 minutes |
| Drive Alone | 77.5% |
| Public Transit | 0.0% |
| Work From Home | 6.3% |
Businesses
| Total Establishments | 1,204 |
| Restaurants | 130 |
| Healthcare | 145 |
| Retail | 162 |
| Manufacturing | 43 |
Tax
| IRS Avg AGI | $81,890 |
| Avg Property Tax | $6,618 |