At a Glance
Median Income
$91,065
$42,714 per capita
Home Value
$206,400
Zillow: $246,823
Median Rent
$988/mo
21.3% of income on rent
Violent Crime
649/100K
2,509/100K property
Bachelor's Degree+
12.9%
94.7% high school+
Unemployment
2.5%
11.1% poverty rate
Obesity Rate
37.5%
15.8% smoking rate
Avg Temperature
50°F
275 sunny days/yr
How Seneca Compares to the U.S. Average
Each bar shows Seneca's value as a percentage of the national average (100% = U.S. avg)
Thin vertical line = U.S. national average (100%)
Is Seneca a Good Place to Live?
B
3.1 / 5.0 — Good
Based on economy, affordability, safety, and education metrics compared to national averages.
Economy & Jobs
Seneca residents earn a median household income of $91,065 , which is 21% above the national average of $75,149.
Per capita income is $42,714. The unemployment rate stands at 2.5% (31% below the U.S. rate of 3.6%). 11.1% of residents live below the poverty line. The area is home to 1,204 business establishments, including 130 restaurants.
Housing & Cost of Living
The median home value in Seneca is $206,400 , 27% below the national median of $281,900.
Zillow estimates the typical home at $246,823. Median rent is $988/month, with 21.3% of renters spending more than 30% of income on housing. The cost of living index is 100.0 (100 = national average). The median home was built in 1976.
Safety & Crime
Seneca reports 649 violent crimes per 100,000 residents
, which is 71% above the national average of 380/100K.
Property crime is 2,509/100K. The murder rate is 0.0/100K.
Education
12.9% of adults in Seneca hold a bachelor's degree or higher
(62% below the national average).
94.7% have completed high school. Local schools score 6.1/10 in standardized testing.
Climate & Weather
Seneca has an average annual temperature of 50°F (10°C).
Winters average 23°F in January while summers reach 73°F in July. The area gets 275 sunny days per year. Annual precipitation totals 39.0 inches. Air quality is rated Good with a median AQI of 43.
Data Overview
People
Population2,525
Median Age35.2 yrs
Density407/mi²
Male / Female53% / 47%
Foreign Born13.6%
Veterans11.1%
Economy
A+
Median Income$91,065
Per Capita$42,714
Unemployment2.5%
Poverty11.1%
County GDP$6,044M
Avg Weekly Wage$1,344
Housing
A+
Home Value$206,400
Rent$988
Ownership76.6%
Zillow$246,823
Housing Units1,002
Rent Burden21.3%
Crime
F
Violent649/100K
Property2,509/100K
Murder0.0/100K
Assault649/100K
Burglary649/100K
Health
Obesity37.5%
Diabetes9.7%
Smoking15.8%
Heart Disease5.6%
Premature Death7,576/100K
Climate
Avg Temp50°F
Sunny Days275/yr
Rain39.0 in/yr
AQI43 (Good)
Elevation508 ft
Education
C
Bachelor's+12.9%
High School+94.7%
Graduate+2.2%
School Score6.1/10
Community
2024 VoteR 64% / D 34%
Commute30 min
Broadband92.2%
Internet Speed63 Mbps
EV Stations1
Libraries3
Did You Know?
Seneca was founded in 1854.
The median home in Seneca was built in 1976.
The nearest airport is Joliet Regional (27 miles).
The Gini coefficient (income inequality) is 0.396 (U.S. avg: 0.490).
Natural hazard risk is rated "Relatively Low" by FEMA.
10.9% of the population has a disability.
13.6% of residents are foreign-born.
There are 130 restaurants in the area.
The county recorded 5 fatal vehicle crashes.
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