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Where am ILOCATED

Jefferson County, Washington

Jefferson County, Washington, has 33,970 residents (July 2025 estimate). Its county seat is Port Townsend. It uses Pacific Time and covers 1,804 sq mi (4,672 km²) of land.

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Jefferson County in Washington
Clallam CountyIsland CountyKitsap CountyPort Hadlock-IrondalePort Ludlow
Jefferson County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
33,970
Land area
1,804 sq mi (4,672 km²)
County seat or government
Port Townsend
Time zone
Pacific TimeUTC-08:00 in January; UTC-07:00 in July
Median household income
$74,048 ± $4,031
Median home value
$535,000 ± $27,178
Median rent, with utilities
$1,522 ± $120
Homes lived in by their owners
79% ± 2.0 points
County type
County
Metro or micro area
Port Townsend, WA micro areaCentral county
Water area
384 sq mi (995 km²)
State
Washington
County code (FIPS)
53031
Coordinates (central point)
47.805708, -123.527057
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Jefferson County

Time zoneLocal time and UTC offsetNext clock change
Pacific TimeAmerica/Los_AngelesUTC-08:00 in January; UTC-07:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 9838231,052 people
  2. 9836817,304 people
  3. 983315,826 people
  4. 983655,168 people
  5. 983393,658 people
  6. 983761,982 people
  7. 983251,775 people
  8. 983201,219 people
  9. 983581,164 people

9 ZIP Code areas overlap Jefferson County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

Jefferson County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

School districts in Jefferson County, largest first

  1. Sequim School District33,851 people
  2. Port Townsend School District16,496 people
  3. Chimacum School District12,492 people
  4. Quillayute Valley School District6,299 people
  5. Quilcene School District2,080 people
  6. Brinnon School District1,219 people
  7. Queets-Clearwater School District445 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Tribal areas in Jefferson County, largest first

  1. Quinault Reservation1,245 people
  2. Hoh Indian Reservation and Off-Reservation Trust Land54 people
  3. Jamestown S'Klallam Reservation and Off-Reservation Trust Land38 people

American Indian, Alaska Native and Native Hawaiian areas as the Census Bureau maps them, with at least 2% of their area here, water included. These lines don’t decide membership, jurisdiction or land status.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Port Townsend, Washington (city)10,438 people
  2. Port Hadlock-Irondale, Washington (CDP)3,884 people
  3. Port Ludlow, Washington (CDP)2,891 people
  4. Marrowstone, Washington (CDP)1,164 people
  5. Brinnon, Washington (CDP)758 people
  6. Quilcene, Washington (CDP)362 people
  7. Queets, Washington (CDP)55 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Clallam County, Washington27 mi northwest
  2. Mason County, Washington35 mi southeast
  3. Kitsap County, Washington42 mi east
  4. Island County, Washington47 mi northeast
  5. Grays Harbor County, Washington50 mi south
  6. San Juan County, Washington52 mi north

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.