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Washington County ZIP Codes

List of ZIP Codes in Washington County

The following table lists ZIP Codes associated with Washington County, Minnesota, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.


S.N. Zip Code Latitude Longitude City Population Density
1 55001 44.90138 -92.81969 Afton 2,956 42.2
2 55003 45.01183 -92.77883 Bayport 3,948 733.8
3 55016 44.8172 -92.93373 Cottage Grove 39,925 512.1
4 55038 45.169 -92.98059 Hugo 24,246 185.4
5 55042 44.99253 -92.898 Lake Elmo 13,156 204.2
6 55043 44.94064 -92.76902 Lakeland 3,471 356.1
7 55047 45.20553 -92.82137 Marine On Saint Croix 2,230 29.4
8 55055 44.87437 -92.99746 Newport 4,460 475.3
9 55071 44.82257 -92.99677 Saint Paul Park 5,807 448.6
10 55073 45.27363 -92.82783 Scandia 4,145 57.1
11 55082 45.07446 -92.84006 Stillwater 36,414 177.5
12 55090 45.05382 -92.9573 Willernie 377 1279.8
13 55115 45.06675 -92.95087 Saint Paul 8,926 565.9
14 55125 44.91998 -92.94388 Saint Paul 44,929 1130.2
15 55128 44.98812 -92.96405 Saint Paul 28,945 995.2
16 55129 44.89422 -92.90638 Saint Paul 32,016 633.1


About Washington County ZIP Codes

Washington County in Minnesota (MN) is served by approximately 16 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.

Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 255,951 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.

Many of the most significant population centers in Washington County are located in cities such as Saint Paul, Cottage Grove, Stillwater, Hugo, Lake Elmo. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Washington County, Minnesota follow the America/Chicago time zone.

Minnesota Counties ZIP Codes

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  18. Crow Wing County ZIP Codes
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  40. Le Sueur County ZIP Codes
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