ZIP codes
16
Washington County, MN Demographics & ZIP Codes
Washington County, Minnesota demographics and median household income by ZIP code — 16 ZIP codes — population 255,951 — avg. income $114,715 — avg. home value $421,063. Compare income, housing, and ZIP-level data on US5.
Population
255,951
Median household income (avg.)
$114,715
153% of U.S. median
Average home value
$421,063
121% of U.S. median
Average rent
$1,454
125% of U.S. median
Washington County demographics
Washington County, Minnesota covers 16 ZIP codes, with a combined ZIP-area population of about 255,951.
Median household income in Washington County
The average median household income across ZIP codes in Washington County, Minnesota is about $114,715 — about 43% above the MN ZIP average ($80,109), and about 53% above the U.S. median ($75,149).
Among ZIPs with income data, 55042 (Lake Elmo) is near the top at about $154,779, while 55055 (Newport) is near the bottom at about $63,365.
Housing in Washington County
For housing in Washington County, Minnesota, the average median home value is about $421,063 and the average median rent is about $1,454.
The most populous ZIP is 55125 (Woodbury) with about 44,929 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Washington County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 55125 | Woodbury | Washington County | MN | 44,929 | $118,129 | $396,600 |
| 55016 | Cottage Grove | Washington County | MN | 39,925 | $121,295 | $358,800 |
| 55082 | Grant | Washington County | MN | 36,414 | $117,538 | $459,500 |
| 55129 | Woodbury | Washington County | MN | 32,016 | $152,500 | $517,800 |
| 55128 | Oakdale | Washington County | MN | 28,945 | $89,642 | $300,700 |
| 55038 | Hugo | Washington County | MN | 24,246 | $127,194 | $408,000 |
| 55042 | Lake Elmo | Washington County | MN | 13,156 | $154,779 | $594,000 |
| 55115 | Mahtomedi | Washington County | MN | 8,926 | $132,796 | $481,900 |
| 55071 | St. Paul Park | Washington County | MN | 5,807 | $98,945 | $256,200 |
| 55055 | Newport | Washington County | MN | 4,460 | $63,365 | $331,300 |
| 55073 | Scandia | Washington County | MN | 4,145 | $130,556 | $470,400 |
| 55003 | Bayport | Washington County | MN | 3,948 | $115,781 | $363,200 |
| 55043 | Lakeland | Washington County | MN | 3,471 | $101,754 | $360,600 |
| 55001 | Afton | Washington County | MN | 2,956 | $130,625 | $654,000 |
| 55047 | Scandia | Washington County | MN | 2,230 | $100,357 | $478,800 |
| 55090 | Willernie | Washington County | MN | 377 | $80,179 | $305,200 |
Frequently asked questions
What are the demographics of Washington County?
Washington County, Minnesota has a combined ZIP-area population of about 255,951 across 16 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Washington County?
The average median household income across ZIP codes in Washington County, Minnesota is about $114,715, about 43% above the state ZIP average ($80,109), and about 53% above the U.S. median ($75,149). Average median home value is about $421,063. Among ZIPs with data, 55042 (Lake Elmo) is near the top ($154,779) and 55055 (Newport) is near the bottom ($63,365).
How many ZIP codes are in Washington County?
Washington County, Minnesota includes 16 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Washington County?
This page lists ZIP codes in Washington County, Minnesota with population, median household income, and home value. Select a ZIP for a full demographics profile.