Seneca

Population

2,217 (2020)

Type

Village

Area

6.21 sq mi (16.08 km²), 0.37 sq mi water

Median age

39

Households

1,254

Persons per household

2.7

Median household income

$71,198

Average house value

$164,200

Businesses

59

Employees

452

Government

VILLAGE OF SENECA

Government office

340 N. CASH, SENECA, IL 61360