Washington County

Minnesota

Population

283,960

Area

391.7 sq mi

Cities

Density

725/sq mi

Overview

Washington County is located in Minnesota with a population of 283,960 residents and covers an area of 391.7 sq mi. The county includes 27 cities, including Woodbury, Cottage Grove, Oakdale, White Bear Lake and Hastings and others.

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Quick Links

Cities in Washington County

Washington County includes the following 27 cities and communities:

•Woodbury(80,596 residents)•Website
•Cottage Grove(42,760 residents)•Website
•Oakdale(30,441 residents)
•White Bear Lake

Related Counties

Browse information about other Minnesota counties:

Aitkin, Anoka, Becker, Beltrami, Benton, Big Stone, Blue Earth, Brown, Carlton, Carver, Cass, Chippewa, Chisago, Clay, Clearwater... view all 86 counties

Additional Information

For comprehensive county information, demographics, and detailed statistics, visit the Minnesota Counties Directory.

Last updated: December 18, 2025.