Washington County, MN ZIP Codes
19 ZIP codes cover all or part of Washington County, Minnesota. The Census Bureau counts 276,238 residents in the county, with a median household income of $115,345 and a median home value of $422,000. Median household income ranges from $71,979 in 55055 to $154,341 in 55042. Its largest communities include Woodbury, Cottage Grove, Oakdale, Lino Lakes and Forest Lake.
Washington County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 276,238 |
| Households | 105,577 |
| Median household income | $115,345 |
| Median home value | $422,000 |
| Median age | 39.8 |
| Median rent | $1,710 |
All 19 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 352,889 |
| Households (sum of ZIP codes) | 136,261 |
| Median household income, range across ZIP codes | $71,979 (55055) to $154,341 (55042) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $114,999 |
| Homeowners | 81.2% |
| Households with kids under 18 | 32.0% |
| Moved in the past year | 10.8% |
| Carrier routes in EDDM2GO's route library | 122 routes, 80,437 homes (7 of 19 ZIP codes) |
Top facts
- Highest median household income in Washington County: 55042 ($154,341)
- Most residents: 55125 (44,185 people)
- Highest homeownership: 55001 (98.4% own their home)
- Most households with kids: 55129 (43.7% of households)
- Most new movers: 55003 (22.8% moved in last year)
- Youngest median age: 55016 (36.4 years)
- Highest median home value: 55001 ($673,900)
Every ZIP code in Washington County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 55125 | Saint Paul | 44,185 | 17,457 | $119,260 | $416,100 | 77.6% | 31.7% | 12.2% | 3 | 2,240 | 100% of its land |
| 55016 | Cottage Grove | 40,695 | 14,283 | $120,715 | $377,700 | 88.2% | 38.2% | 11.7% | 22 | 16,051 | 100% of its land |
| 55110 | Saint Paul | 37,305 | 15,715 | $101,296 | $360,500 | 79.0% | 25.1% | 9.3% | 27 | 17,747 | 31% of its land |
| 55082 | Stillwater | 36,277 | 14,528 | $115,040 | $474,400 | 78.0% | 29.2% | 10.6% | 29 | 16,463 | 100% of its land |
| 55129 | Saint Paul | 34,120 | 11,855 | $143,795 | $534,900 | 77.7% | 43.7% | 16.1% | — | — | 100% of its land |
| 55033 | Hastings | 29,674 | 11,708 | $103,988 | $358,700 | 80.4% | 28.0% | 10.5% | — | — | 21% of its land |
| 55128 | Saint Paul | 29,384 | 11,901 | $93,210 | $312,800 | 78.0% | 28.0% | 7.6% | 17 | 14,096 | 100% of its land |
| 55025 | Forest Lake | 25,891 | 10,211 | $98,382 | $405,000 | 75.2% | 31.2% | 9.3% | — | — | 39% of its land |
| 55038 | Hugo | 25,061 | 9,400 | $130,931 | $422,800 | 91.4% | 35.9% | 10.3% | 15 | 10,993 | 70% of its land |
| 55042 | Lake Elmo | 13,705 | 4,921 | $154,341 | $602,100 | 93.8% | 39.2% | 5.4% | 9 | 6,594 | 100% of its land |
| 55115 | Saint Paul | 8,949 | 3,249 | $124,234 | $488,400 | 82.9% | 34.1% | 11.3% | — | — | 100% of its land |
| 55071 | Saint Paul Park | 5,719 | 2,473 | $100,798 | $267,500 | 76.9% | 32.4% | 6.6% | — | — | 100% of its land |
| 55055 | Newport | 4,754 | 2,160 | $71,979 | $378,100 | 66.9% | 23.1% | 13.0% | — | — | 100% of its land |
| 55073 | Scandia | 4,169 | 1,427 | $128,723 | $462,400 | 89.0% | 42.0% | 11.4% | — | — | 86% of its land |
| 55003 | Bayport | 3,905 | 1,150 | $125,893 | $376,900 | 91.7% | 29.0% | 22.8% | — | — | 100% of its land |
| 55043 | Lakeland | 3,424 | 1,487 | $102,966 | $383,500 | 91.1% | 18.0% | 9.8% | — | — | 100% of its land |
| 55001 | Afton | 3,027 | 1,231 | $133,581 | $673,900 | 98.4% | 23.9% | 8.0% | — | — | 100% of its land |
| 55047 | Marine On Saint Croix | 2,244 | 947 | $107,361 | $497,900 | 94.4% | 21.3% | 6.0% | — | — | 100% of its land |
| 55090 | Willernie | 401 | 158 | $85,119 | $330,600 | 86.1% | 32.3% | 10.5% | — | — | 100% of its land |
A ZIP code is listed for Washington County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Woodbury — 78,305 residents · 2 ZIP codes
- Cottage Grove — 40,992 residents · 2 ZIP codes
- Oakdale — 28,585 residents · 1 ZIP code
- Lino Lakes — 22,113 residents · 2 ZIP codes
- Forest Lake — 20,729 residents · 1 ZIP code
- Stillwater — 19,355 residents · 1 ZIP code
- Hugo — 16,340 residents · 2 ZIP codes
- Lake Elmo — 13,140 residents · 1 ZIP code
- Mahtomedi — 8,133 residents · 1 ZIP code
- Chisago City — 5,899 residents · 2 ZIP codes
- St. Paul Park — 5,457 residents · 1 ZIP code
- Oak Park Heights — 4,756 residents · 1 ZIP code
- Newport — 4,754 residents · 1 ZIP code
- Columbus — 4,248 residents · 1 ZIP code
- Scandia — 3,950 residents · 2 ZIP codes
- Grant — 3,950 residents · 2 ZIP codes
- Centerville — 3,935 residents · 1 ZIP code
- Bayport — 3,905 residents · 1 ZIP code
- Afton — 2,957 residents · 1 ZIP code
- Lakeland — 1,492 residents · 1 ZIP code
- Lake St. Croix Beach — 1,105 residents · 1 ZIP code
- Birchwood Village — 866 residents · 1 ZIP code
- Landfall — 776 residents · 1 ZIP code
- Marine on St. Croix — 740 residents · 1 ZIP code
- Willernie — 495 residents · 2 ZIP codes
- St. Marys Point — 483 residents · 1 ZIP code
- Pine Springs — 395 residents · 2 ZIP codes
- Lakeland Shores — 344 residents · 1 ZIP code
Rankings
- Richest ZIP codes in Washington County — 18 ZIP codes ranked
- ZIP codes with the highest home values in Washington County — 18 ZIP codes ranked
- ZIP codes with the highest homeownership in Washington County — 18 ZIP codes ranked
- ZIP codes with the most families with kids in Washington County — 18 ZIP codes ranked
- ZIP codes with the most new movers in Washington County — 18 ZIP codes ranked
- Youngest ZIP codes in Washington County — 18 ZIP codes ranked
- Oldest ZIP codes in Washington County — 18 ZIP codes ranked
- Fastest-growing ZIP codes in Washington County — 18 ZIP codes ranked
Price a mailing to Washington County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Washington County, MN?
- 55125, 55016, 55110, 55082, 55129, 55033, 55128, 55025, 55038, 55042, 55115, 55071, 55055, 55073, 55003, 55043, 55001, 55047 and 55090. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Washington County?
- 276,238 residents in 105,577 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Washington County?
- $115,345 for the county as a whole. Its ZIP codes range from $71,979 (55055) to $154,341 (55042).
- Which Washington County ZIP code has the highest median household income?
- 55042, at $154,341, among ZIP codes with at least 1,000 residents. See the full ranking of Washington County ZIP codes by income.
- How many carrier routes and mailboxes are in Washington County?
- For the 7 of 19 ZIP codes in EDDM2GO's stored route library: 122 carrier routes reaching 80,437 residential and 3,743 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.