Kelso

Population

12,438 (2020)

Type

City

Area

8.14 sq mi (21.07 km²), 0.7 sq mi water

Median age

38

Households

9,382

Persons per household

2.6

Median household income

$51,170

Average house value

$184,900

Businesses

438

Employees

5,592

Government

CITY OF KELSO

Government office

PO BOX 819, KELSO, WA 98626