Jefferson County, WA ZIP Codes
8 ZIP codes cover all or part of Jefferson County, Washington: 98368, 98331, 98365, 98339, 98376, 98325, 98320 and 98358. The Census Bureau counts 33,577 residents in the county, with a median household income of $74,048 and a median home value of $535,000. Median household income ranges from $55,893 in 98320 to $110,368 in 98358. Its largest communities include Port Townsend, Port Hadlock-Irondale, Forks, Port Ludlow and Marrowstone.
Jefferson County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 33,577 |
| Households | 16,340 |
| Median household income | $74,048 |
| Median home value | $535,000 |
| Median age | 59.8 |
| Median rent | $1,522 |
All 8 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 38,096 |
| Households (sum of ZIP codes) | 18,220 |
| Median household income, range across ZIP codes | $55,893 (98320) to $110,368 (98358) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $74,079 |
| Homeowners | 76.8% |
| Households with kids under 18 | 17.5% |
| Moved in the past year | 12.5% |
| Carrier routes in EDDM2GO's route library | 35 routes, 17,213 homes (8 of 8 ZIP codes) |
Top facts
- Highest median household income in Jefferson County: 98358 ($110,368)
- Most residents: 98368 (17,304 people)
- Highest homeownership: 98376 (93.1% own their home)
- Most households with kids: 98325 (31.5% of households)
- Most new movers: 98368 (15.1% moved in last year)
- Youngest median age: 98331 (42.0 years)
- Highest median home value: 98358 ($756,000)
Every ZIP code in Jefferson County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 98368 | Port Townsend | 17,304 | 8,839 | $69,688 | $554,300 | 73.9% | 16.2% | 15.1% | 16 | 9,374 | 100% of its land |
| 98331 | Forks | 5,826 | 2,397 | $62,135 | $230,500 | 63.5% | 23.1% | 14.8% | 4 | 1,690 | 79% of its land |
| 98365 | Port Ludlow | 5,168 | 2,629 | $98,776 | $673,800 | 89.0% | 9.6% | 8.4% | 7 | 2,986 | 100% of its land |
| 98339 | Port Hadlock | 3,658 | 1,538 | $77,778 | $409,800 | 80.1% | 26.2% | 12.4% | 3 | 1,590 | 100% of its land |
| 98376 | Quilcene | 1,982 | 940 | $57,250 | $344,700 | 93.1% | 14.9% | 3.5% | 2 | 875 | 100% of its land |
| 98325 | Chimacum | 1,775 | 794 | $79,191 | $446,300 | 72.4% | 31.5% | 8.3% | 1 | 591 | 100% of its land |
| 98320 | Brinnon | 1,219 | 564 | $55,893 | $285,200 | 84.2% | 11.7% | 11.5% | 1 | 565 | 100% of its land |
| 98358 | Nordland | 1,164 | 519 | $110,368 | $756,000 | 85.2% | 18.9% | 3.1% | 1 | 482 | 100% of its land |
A ZIP code is listed for Jefferson 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
- Port Townsend — 10,438 residents · 1 ZIP code
- Port Hadlock-Irondale — 3,884 residents · 3 ZIP codes
- Forks — 3,400 residents · 1 ZIP code
- Port Ludlow — 2,891 residents · 1 ZIP code
- Marrowstone — 1,164 residents · 1 ZIP code
- Brinnon — 758 residents · 1 ZIP code
- Quilcene — 362 residents · 1 ZIP code
- Queets — 55 residents · 1 ZIP code
Rankings
- Richest ZIP codes in Jefferson County — 8 ZIP codes ranked
- ZIP codes with the highest home values in Jefferson County — 8 ZIP codes ranked
- ZIP codes with the highest homeownership in Jefferson County — 8 ZIP codes ranked
- ZIP codes with the most families with kids in Jefferson County — 8 ZIP codes ranked
- ZIP codes with the most new movers in Jefferson County — 8 ZIP codes ranked
- Youngest ZIP codes in Jefferson County — 8 ZIP codes ranked
- Oldest ZIP codes in Jefferson County — 8 ZIP codes ranked
- Fastest-growing ZIP codes in Jefferson County — 7 ZIP codes ranked
Price a mailing to Jefferson County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Jefferson County, WA?
- 98368, 98331, 98365, 98339, 98376, 98325, 98320 and 98358. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Jefferson County?
- 33,577 residents in 16,340 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Jefferson County?
- $74,048 for the county as a whole. Its ZIP codes range from $55,893 (98320) to $110,368 (98358).
- Which Jefferson County ZIP code has the highest median household income?
- 98358, at $110,368, among ZIP codes with at least 1,000 residents. See the full ranking of Jefferson County ZIP codes by income.
- How many carrier routes and mailboxes are in Jefferson County?
- For the 8 of 8 ZIP codes in EDDM2GO's stored route library: 35 carrier routes reaching 17,213 residential and 941 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.