• county
  • FIPS 53011
  • Largest town: Vancouver

Clark County, Washington

Clark County had 527,269 residents in the Census Vintage 2024 estimate, on 628.5 square miles of land. It ranks 5th of 39 in Washington by population and 35th by land area.

Population
527,269
#5 of 39 in Washington · #140 in US
Area
628.5 sq mi
#35 of 39 in Washington · #1,529 in US
Density
839 / sq mi
#2 of 39 in Washington · #185 in US
Median household income
$97,240
#5 of 39 in Washington · #160 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Clark County within Washington. Pin: Olympia.

Measure from here

Tools and pages that start from Clark County

Clark County population, land area and income

Clark County had 527,269 residents in the Census Vintage 2024 estimate, on 628.5 square miles of land. It ranks 5th of 39 in Washington by population and 35th by land area. That works out to 838.9 people per square mile, 8.7 times the US average of 96.3, and in the top tenth nationally.

The median county-equivalent in Washington has 69,632 residents, so Clark County is 7.6 times that size.

Its SAIPE 2023 median household income of $97,240 is in the top tenth among 3,143 counties with an estimate.

National rank among 3,144

Population

527,269

3144th1st

140th of 3,144 (US)

Land area

629 sq mi

3144th1st

1529th of 3,144 (US)

Density

838.9 / sq mi

3144th1st

185th of 3,144 (US)

Median household income

$97,240

3143rd1st

160th of 3,143 (US)

Rank within Washington (39)

Population

527,269

39th1st

5th of 39 (WA)

Land area

629 sq mi

39th1st

35th of 39 (WA)

Density

838.9 / sq mi

39th1st

2nd of 39 (WA)

Median household income

$97,240

39th1st

5th of 39 (WA)

How Clark County's population changed since 2020

Clark County gained 21,906 residents between the July 2020 and July 2024 estimates, a rise of 4.3%. That ranks 16th of 39 in Washington for growth. The median Washington county changed by +3.2%, and the state as a whole by +3.0%.

Since the April 2020 estimates base, Clark County recorded 23,528 births and 18,888 deaths, a natural change of +4,640. Net international migration added +5,917 and net domestic migration, people moving to or from other US counties, came to +13,452. The largest single component was domestic migration, which added 13,452 people.

505.4k2020512.7k2021517.0k2022522.5k2023527.3k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
23,528
Deaths
18,888
Net international migration
+5,917
Net domestic migration
+13,452
Change, July 2023 to July 2024
+4,802

Where Clark County is

The Census internal point of Clark County is at 45.771700, -122.486000. It sits in UTM zone 10N. The map shades Washington's 39 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Clark County outlined. Dots are towns of 1,000+ people with residents in it.

King County: +2.9%Thurston County: +2.3%Garfield County: +4.7%Adams County: +2.1%Kitsap County: +2.0%Mason County: +5.5%Stevens County: +5.2%Walla Walla County: -0.9%Whitman County: +1.2%Pierce County: +1.9%Benton County: +5.2%Columbia County: +1.8%Skamania County: +5.1%Douglas County: +6.4%Kittitas County: +2.9%Klickitat County: +5.7%Pacific County: +3.2%Grant County: +5.3%Grays Harbor County: +2.7%Jefferson County: +2.7%Lincoln County: +8.6%San Juan County: +4.7%Skagit County: +2.2%Island County: -0.6%Ferry County: +4.8%Chelan County: +2.4%Clark County: +4.3%Asotin County: +0.9%Franklin County: +4.2%Whatcom County: +3.3%Snohomish County: +4.1%Pend Oreille County: +6.1%Yakima County: +0.7%Clallam County: +0.8%Wahkiakum County: +7.9%Spokane County: +2.7%Okanogan County: +6.6%Cowlitz County: +2.7%Lewis County: +5.4%
Change 2020 to 2024
  1. < +1.9%
  2. < +2.7%
  3. < +4.2%
  4. < +5.3%
  5. ≥ +5.3%
no data

Orange pin: Clark County internal point. Dark pin: Olympia.

Internal point

Decimal
45.771700, -122.486000
DMS
45°46'18.12"N 122°29'9.60"W
UTM
10N 539963.6E 5068810.8N
Geohash
c20uku2rm
Plus code
84QVQGC7+MJ

Towns in Clark County

8 incorporated places of 1,000+ people have residents in Clark County, 288,549 people together, or 55% of the county. Each figure counts only the part of the town inside Clark County; towns marked "part" extend into another county. The largest is Vancouver with 198,992.

  1. 01Vancouver198,992
  2. 02Camas27,313
  3. 03Battle Ground22,959
  4. 04Washougal17,944
  5. 05Ridgefield15,359
  6. 06La Center4,256
  7. 07Yacolt1,644
  8. 08Woodland (part)82
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Clark County

The Census 2024 county adjacency file lists 4 neighbors for Clark County, including 2 across a state line. The most populous is Multnomah County, OR, with 795,897 residents. Distances run between Census internal points in a straight line.

Distance to Olympia and the nearest big city

Olympia is 89.6 miles NNW of Clark County's internal point in a straight line. The nearest place of 100,000 or more is Vancouver, WA (population 198,992), 10.7 miles away. The nearest place of 10,000 or more is Battle Ground, WA (population 22,959), 2.7 miles away.

Clark County FIPS code

The FIPS code of Clark County is 53011: state code 53 for Washington plus county code 011. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $97,240.

Questions people ask

What is the population of Clark County, Washington?

The Census Vintage 2024 estimate for July 1, 2024 is 527,269. That is up 21,906 people (4.3%) from the July 2020 estimate of 505,363.

What is the FIPS code of Clark County?

53011. The first two digits (53) are Washington; the last three (011) identify the county.

What is the largest town in Clark County?

Vancouver, with 198,992 residents inside Clark County in 2024.

Which counties border Clark County?

4 county-equivalents border it in the Census 2024 adjacency file: Multnomah County, OR; Cowlitz County, WA; Columbia County, OR; Skamania County, WA.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.