Seneca vs Sheridan

A side-by-side comparison of Seneca and Sheridan: population, income, housing, and more.

Seneca and Sheridan are places in Illinois. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Sheridan has the higher population (2,610 vs 2,525 in Seneca). Seneca has the higher median household income ($91,065 vs $73,214 in Sheridan). Seneca has the higher median home value ($206,400 vs $183,200 in Sheridan).

Population, income & housing

	Seneca	Sheridan
Population	2,525	2,610
Median age	35.2 yrs	35.0 yrs
Median household income	$91,065	$73,214
Median home value	$206,400	$183,200
Median gross rent	$988	$964
Housing units	971	432
Homeownership rate	76.6%	78.9%
Bachelor's degree or higher	12.9%	3.1%
Unemployment rate	4.2%	7.5%

Trends (ACS 5-year, 2019–2023)

	Seneca	Sheridan
Population	2,442 → 2,525 (+3.4%)	2,713 → 2,610 (-3.8%)
Median household income	$72,273 → $91,065 (+26.0%)	$61,875 → $73,214 (+18.3%)
Median home value	$161,000 → $206,400 (+28.2%)	$148,600 → $183,200 (+23.3%)
Median gross rent	$741 → $988 (+33.3%)	$1,008 → $964 (-4.4%)

Seneca

Population

2,4422,525

Median household income

$72,273$91,065

Median home value

$161,000$206,400

Median gross rent

$741$988

Sheridan

Population

2,7132,610

Median household income

$61,875$73,214

Median home value

$148,600$183,200

Median gross rent

$1,008$964

Age & race/ethnicity

Age distribution (share)

	Seneca	Sheridan
Under 5	8.4%	2.5%
5 to 17	19.4%	7.0%
18 to 24	7.0%	10.2%
25 to 34	15.0%	30.3%
35 to 44	6.4%	23.4%
45 to 54	12.1%	10.0%
55 to 64	20.8%	11.1%
65 to 74	7.0%	3.4%
75 and over	3.8%	2.1%

Race & ethnicity (share)

	Seneca	Sheridan
White (non-Hispanic)	88.7%	48.5%
Black or African American	1.1%	37.8%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.0%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	4.2%	2.6%
Hispanic or Latino	6.0%	11.1%

Educational attainment (age 25+)

Share of adults 25+

	Seneca	Sheridan
No high school diploma	5.3%	30.4%
High school graduate	40.8%	35.2%
Some college or associate's	41.0%	31.2%
Bachelor's degree	10.5%	2.1%
Graduate or professional degree	2.4%	1.1%

Commute to work

How workers get to work (share)

	Seneca	Sheridan
Drove alone	77.5%	87.0%
Carpooled	10.4%	2.4%
Public transit	0.0%	0.2%
Walked	5.1%	0.7%
Bicycle	0.0%	0.0%
Worked from home	6.3%	8.9%
Other means	0.7%	0.9%

Housing

Units in structure (share)

	Seneca	Sheridan
1-unit, detached	77.8%	91.9%
1-unit, attached	4.3%	0.0%
2 to 4 units	8.4%	6.5%
5 to 19 units	2.8%	1.6%
20 or more units	0.0%	0.0%
Mobile home & other	6.7%	0.0%

Poverty & households

	Seneca	Sheridan
Poverty rate	19.4%	16.8%
Average household size	2.72	2.23
Mean commute (minutes)	30	44
Median year structure built	1975	1956