What County Is Auburn, Washington In?

Auburn is mostly in King County, Washington: about 89% of its residents live there, the rest in Pierce County. Check a specific address near a county line. About 85,676 people live there (2020–2024 estimate). It uses Pacific Time and covers 29.8 sq mi (77.2 km²) of land. The nearest larger city or town is Kent, 5.9 mi north.

SeattleSpokaneTacoma
Auburn in Washington
AlgonaFederal WayLake HolmLakeland NorthLakeland SouthLake Morton-BerrydalePacific
Auburn and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
85,676 ± 65
Land area
29.8 sq mi (77.2 km²)
Time zone
Pacific TimeUTC-08:00 in January; UTC-07:00 in July
Elevation
89 ft 27 m, ground height at the central point
Median household income
$97,884 ± $3,074
Median home value
$547,900 ± $14,932
Median rent, with utilities
$1,786 ± $47
Homes lived in by their owners
60.6% ± 2.2 points
Metro area
Seattle-Tacoma-Bellevue, WAA principal city of the area
Water area
0.29 sq mi (0.75 km²)
State
Washington
Census place code
5303180
Coordinates (central point)
47.304657, -122.210696

These coordinates mark a central point for the area, not a street address. Population, 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.

County boundaries in Auburn

  1. King County, Washington75,856 residents · 89%
  2. Pierce County, Washington9,820 residents · 11%

This place crosses county lines: residents by county are American Community Survey 2020–2024 estimates. A city name alone cannot identify the county for every address. It is one of the 943 cities and towns with residents in more than one county. Check a point on the county map.

Coordinates of Auburn

47.304657, -122.210696 is a central point for Auburn, not a street address. Convert these coordinates or share a map link.

Elevation in Auburn

89 ft (27 m), the USGS ground height at Auburn’s central point (3DEP terrain, 1 m grid, NAVD 88). Ground height varies across town. Check elevation at another spot.

Sunrise and sunset in Auburn

Longest day
15 hours 56 minutes around June 21
Shortest day
8 hours 28 minutes around December 21
Earliest sunrise
5:11 AM around June 16
Latest sunrise
7:59 AM the day before clocks go back in November
Earliest sunset
4:18 PM around December 11
Latest sunset
9:09 PM around June 26

Clocks go forward an hour on the second Sunday in March and back on the first Sunday in November, so sunrise and sunset jump an hour later in March and an hour earlier in November.

Sunrise and sunset on the 15th of each month
DaySunriseSunsetDaylight
Jan 157:51 AM4:45 PM8 h 54 min
Feb 157:13 AM5:32 PM10 h 19 min
Mar 157:21 AM7:14 PM11 h 53 min
Apr 156:20 AM7:57 PM13 h 37 min
May 155:32 AM8:38 PM15 h 6 min
Jun 155:11 AM9:07 PM15 h 56 min
Jul 155:27 AM9:01 PM15 h 34 min
Aug 156:05 AM8:20 PM14 h 15 min
Sep 156:46 AM7:20 PM12 h 34 min
Oct 157:27 AM6:21 PM10 h 54 min
Nov 157:13 AM4:33 PM9 h 20 min
Dec 157:49 AM4:18 PM8 h 29 min

Approximate times for a flat horizon at the central point; the days move by a day or so from year to year. Hills and weather can change what you see.

Time zones in Auburn

Auburn uses Pacific Time (America/Los_Angeles).

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. 9839159,240 people
  2. 9809250,224 people
  3. 9803038,523 people
  4. 9800237,509 people
  5. 9800137,460 people
  6. 9839011,546 people

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

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Algona, Washington (city)2.4 mi southwest
  2. Pacific, Washington (city)3.5 mi southwest
  3. Lake Holm, Washington (CDP)3.8 mi east
  4. Lakeland South, Washington (CDP)4.0 mi southwest
  5. Lakeland North, Washington (CDP)4.0 mi northwest
  6. Lake Morton-Berrydale, Washington (CDP)5.4 mi east
  7. Lake Tapps, Washington (CDP)5.4 mi south
  8. Sumner, Washington (city)5.5 mi south
  9. Kent, Washington (city)5.9 mi north
  10. Federal Way, Washington (city)6.0 mi west
  11. Bonney Lake, Washington (city)7.6 mi south

Before using this answer on a form

A city boundary, a CDP and a mailing city can mean different things.

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

See this place 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.