Antioch

Population

111,605 (2020)

Type

City

Area

29.17 sq mi (75.55 km²), 0.77 sq mi water

Median age

33.8

Households

32,379

Persons per household

3.1

Median household income

$73,863

Average house value

$362,933

Businesses

1,401

Employees

19,719

Government

CITY OF ANTIOCH

Government office

PO BOX 5007, ANTIOCH, CA 94531