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Washington County, MN

25 cities and towns and 16 ZIP codes in Washington County, Minnesota.

Population

276,238

Land area

385sq mi

People per sq mi

718

ZIP codes

16

Cities and towns in Washington County

Full map

Washington County at a glance

  • Washington County is about 10 times as dense as Minnesota as a whole.
  • It is the 5th most populous of 87 counties in Minnesota.
  • Households here earn a median of $115,345 a year, 30% more than the Minnesota figure of $89,062.
  • A typical owner-occupied home is valued at $422,000 (28% above Minnesota) and median rent is $1,710 a month.
  • The biggest population centers are Woodbury (78,305), Cottage Grove (40,992) and Oakdale (28,585).

Local data for Washington County, MN

Counts from official public data

Housing and community stats

Washington County, MN, American Community Survey 2020-2024

Full profile

Median household income

$115,345

Poverty rate

5.1%

Median home value

$422,000

Prices +1.8% in a year

Median rent

$1,710/mo

Homeownership

81.3%

Bachelor's or higher

49.1%

Median age

39.8

Average commute

24.0 min

Largest reported origins and ancestries: German Americans (83,927), Irish Americans (33,890), Norwegian Americans (28,046).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

4.3%

Sep 2026, +1.0 pts in a year

Average annual pay

$63,636

96,635 jobs, 2025

Income per person

$86,217

BEA, 2024

Federal spending

$1.6B

FY 2026, $6,106 per person

PPP loans

$518M

6,370 loans, 61,270 jobs reported

Campaign donations

$2.3M

Itemized, 2026 cycle

EconomyFederal spendingPPP loans

How people get to work

Washington County, MN, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone66.3%
  • Carpooled7.5%
  • Public transit0.6%
  • Walked0.9%
  • Bicycle0.2%
  • Taxi, ride-hailing, motorcycle or other1.0%
  • Worked from home23.6%

Average one-way commute: 24.0 minutes for people who do not work from home.

Environment and hazard risk

Washington County, MN, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Moderate

Top: strong wind

Storm events since 1996

533

Most often hail

Flood insurance policies

247

0.3% of homes, county

July high / Jan low

79° / 5°F

33.2 inches of rain a year

Hazards, floods and storm historyCheck a flood zone36 historic places

Health statistics

Share of adults in Washington County, MN, CDC PLACES estimates

All 40 measures

Obesity

32.5%

U.S. 33.3% -0.8 pts

Diabetes

10.3%

U.S. 12.1% -1.8 pts

Smoking

10.9%

U.S. 12.8% -1.9 pts

Uninsured (18-64)

5.8%

U.S. 11.1% -5.3 pts

Cities, towns and ZIP codes in Washington County

Population shown

·

Frequently asked questions

What is the largest city in Washington County, MN?
Woodbury is the largest city or town in Washington County, with about 78,305 residents.
How many ZIP codes are in Washington County?
Washington County includes 16 ZIP Code Tabulation Areas, including 55001, 55003, 55016, 55038, 55042.
What is the population of Washington County, MN?
About 276,238 people live in Washington County, based on American Community Survey 5-year estimates.
What counties border Washington County?
Washington County borders Ramsey County, Dakota County, Anoka County, St. Croix County, WI, Chisago County, Polk County, WI, Pierce County, WI.

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023

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