• county
  • FIPS 53021
  • Largest town: Pasco

Franklin County, Washington

Franklin County had 101,238 residents in the Census Vintage 2024 estimate, on 1,241.6 square miles of land. It ranks 14th of 39 in Washington by population and 27th by land area.

Population
101,238
#14 of 39 in Washington · #617 in US
Area
1,241.6 sq mi
#27 of 39 in Washington · #489 in US
Density
82 / sq mi
#13 of 39 in Washington · #1,059 in US
Median household income
$82,542
#12 of 39 in Washington · #384 in US

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

Franklin County within Washington. Pin: Olympia.

Measure from here

Tools and pages that start from Franklin County

Franklin County population, land area and income

Franklin County had 101,238 residents in the Census Vintage 2024 estimate, on 1,241.6 square miles of land. It ranks 14th of 39 in Washington by population and 27th by land area. That works out to 81.5 people per square mile, near the US average of 96.3, and above the national county median.

The median county-equivalent in Washington has 69,632 residents; Franklin County is somewhat larger.

Its SAIPE 2023 median household income of $82,542 is in the top quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

101,238

3144th1st

617th of 3,144 (US)

Land area

1,242 sq mi

3144th1st

489th of 3,144 (US)

Density

81.5 / sq mi

3144th1st

1059th of 3,144 (US)

Median household income

$82,542

3143rd1st

384th of 3,143 (US)

Rank within Washington (39)

Population

101,238

39th1st

14th of 39 (WA)

Land area

1,242 sq mi

39th1st

27th of 39 (WA)

Density

81.5 / sq mi

39th1st

13th of 39 (WA)

Median household income

$82,542

39th1st

12th of 39 (WA)

How Franklin County's population changed since 2020

Franklin County gained 4,086 residents between the July 2020 and July 2024 estimates, a rise of 4.2%. That ranks 17th 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, Franklin County recorded 6,042 births and 2,338 deaths, a natural change of +3,704. Net international migration added +2,399 and net domestic migration, people moving to or from other US counties, came to -1,701. The largest single component was natural change, which added 3,704 people.

97.2k202098.1k202198.5k202299.6k2023101.2k2024
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
6,042
Deaths
2,338
Net international migration
+2,399
Net domestic migration
-1,701
Change, July 2023 to July 2024
+1,684

Where Franklin County is

The Census internal point of Franklin County is at 46.537500, -118.903900. It sits in UTM zone 11N. The map shades Washington's 39 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Franklin 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: Franklin County internal point. Dark pin: Olympia.

Internal point

Decimal
46.537500, -118.903900
DMS
46°32'15.00"N 118°54'14.04"W
UTM
11N 354012.0E 5155531.1N
Geohash
c272wrbud
Plus code
85R3G3QW+2C

Towns in Franklin County

2 incorporated places of 1,000+ people have residents in Franklin County, 86,795 people together, or 86% of the county. Each figure counts only the part of the town inside Franklin County; towns marked "part" extend into another county. The largest is Pasco with 81,724.

  1. 01Pasco81,724
  2. 02Connell5,071
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Franklin County

The Census 2024 county adjacency file lists 6 neighbors for Franklin County. The most populous is Benton County, WA, with 218,190 residents. Distances run between Census internal points in a straight line.

Distance to Olympia and the nearest big city

Olympia is 192.1 miles WNW of Franklin County's internal point in a straight line. The nearest place of 100,000 or more is Spokane, WA (population 230,609), 104.3 miles away. The nearest place of 10,000 or more is Pasco, WA (population 81,724), 21.4 miles away.

Franklin County FIPS code

The FIPS code of Franklin County is 53021: state code 53 for Washington plus county code 021. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $82,542.

Questions people ask

What is the population of Franklin County, Washington?

The Census Vintage 2024 estimate for July 1, 2024 is 101,238. That is up 4,086 people (4.2%) from the July 2020 estimate of 97,152.

What is the FIPS code of Franklin County?

53021. The first two digits (53) are Washington; the last three (021) identify the county.

What is the largest town in Franklin County?

Pasco, with 81,724 residents inside Franklin County in 2024.

Which counties border Franklin County?

6 county-equivalents border it in the Census 2024 adjacency file: Benton County, WA; Grant County, WA; Walla Walla County, WA; Whitman County, WA; Adams County, WA; Columbia 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.