Vandalia

Population

6,662 (2020)

Type

City

Area

8.15 sq mi (21.1 km²), 0.02 sq mi water

Median age

38.6

Households

3,590

Persons per household

2.4

Median household income

$45,754

Average house value

$89,700

Businesses

291

Employees

3,145

Government

CITY OF VANDALIA

Government office

431 W GALLATIN ST, VANDALIA, IL 62471