• county
  • FIPS 28151
  • Largest town: Greenville

Washington County, Mississippi

Washington County had 41,181 residents in the Census Vintage 2024 estimate, on 724.2 square miles of land. It ranks 18th of 82 in Mississippi by population and 13th by land area.

Population
41,181
#18 of 82 in Mississippi · #1,169 in US
Area
724.2 sq mi
#13 of 82 in Mississippi · #1,228 in US
Density
57 / sq mi
#26 of 82 in Mississippi · #1,352 in US
Median household income
$39,081
#71 of 82 in Mississippi · #3,100 in US

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

Washington County within Mississippi. Pin: Jackson.

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Tools and pages that start from Washington County

Washington County population, land area and income

Washington County had 41,181 residents in the Census Vintage 2024 estimate, on 724.2 square miles of land. It ranks 18th of 82 in Mississippi by population and 13th by land area. That works out to 56.9 people per square mile, below the US average of 96.3, and above the national county median.

The median county-equivalent in Mississippi has 21,443 residents; Washington County is somewhat larger.

Its SAIPE 2023 median household income of $39,081 is in the bottom quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

41,181

3144th1st

1169th of 3,144 (US)

Land area

724 sq mi

3144th1st

1228th of 3,144 (US)

Density

56.9 / sq mi

3144th1st

1352nd of 3,144 (US)

Median household income

$39,081

3143rd1st

3100th of 3,143 (US)

Rank within Mississippi (82)

Population

41,181

82nd1st

18th of 82 (MS)

Land area

724 sq mi

82nd1st

13th of 82 (MS)

Density

56.9 / sq mi

82nd1st

26th of 82 (MS)

Median household income

$39,081

82nd1st

71st of 82 (MS)

How Washington County's population changed since 2020

Washington County lost 3,467 residents between the July 2020 and July 2024 estimates, a drop of 7.8%. That ranks 72nd of 82 in Mississippi for growth. The median Mississippi county changed by -1.6%, and the state as a whole by -0.5%.

Since the April 2020 estimates base, Washington County recorded 2,366 births and 2,937 deaths, a natural change of -571. Net international migration added -3 and net domestic migration, people moving to or from other US counties, came to -3,179. The largest single component was domestic migration, which removed 3,179 people.

44.6k202043.6k202142.5k202241.9k202341.2k2024
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
2,366
Deaths
2,937
Net international migration
-3
Net domestic migration
-3,179
Change, July 2023 to July 2024
-721

Where Washington County is

The Census internal point of Washington County is at 33.273200, -90.944400. It sits in UTM zone 15N. The map shades Mississippi's 82 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Washington County outlined. Dots are towns of 1,000+ people with residents in it.

Itawamba County: +1.4%Tate County: +1.5%Lafayette County: +7.0%Marshall County: +1.7%Leake County: +1.0%Newton County: -0.9%Choctaw County: -1.4%Grenada County: -3.0%Jones County: -2.0%Kemper County: -4.5%Pontotoc County: +2.6%Stone County: +6.8%Jefferson Davis County: -1.9%Covington County: -1.6%Jasper County: -3.4%George County: +6.2%Webster County: +1.4%Panola County: -1.2%Humphreys County: -7.9%Franklin County: -1.9%Oktibbeha County: +0.5%Yalobusha County: +0.2%Alcorn County: -1.5%Perry County: -0.5%Sharkey County: -14.3%Neshoba County: -0.1%Greene County: +1.1%Noxubee County: -3.9%Clarke County: -2.5%Quitman County: -9.9%Forrest County: +0.3%Washington County: -7.8%Holmes County: -7.8%Simpson County: -1.1%Montgomery County: -3.9%Wayne County: -0.3%Lauderdale County: -2.9%Tippah County: -1.4%Scott County: -1.1%Benton County: -1.3%Smith County: -1.1%Hinds County: -6.5%Prentiss County: +2.1%Copiah County: -2.6%Issaquena County: -2.3%Yazoo County: -13.7%Union County: +2.0%Calhoun County: -3.5%Marion County: -1.5%Chickasaw County: -1.8%Wilkinson County: -8.3%Warren County: -5.5%Bolivar County: -7.9%Clay County: -2.2%Lincoln County: +0.3%Lowndes County: -2.7%Harrison County: +2.3%Madison County: +4.6%Lamar County: +3.6%Leflore County: -7.7%Sunflower County: -10.4%Winston County: -1.5%Jefferson County: -4.8%Adams County: -2.6%Hancock County: +0.8%Lee County: -0.4%Pearl River County: +5.0%Attala County: -3.3%Walthall County: -0.2%Monroe County: -1.9%Coahoma County: -5.3%Rankin County: +2.2%Lawrence County: -2.6%Amite County: -2.0%Claiborne County: -10.7%DeSoto County: +5.2%Tallahatchie County: -13.6%Tunica County: -5.9%Jackson County: +2.5%Pike County: -3.0%Carroll County: -5.7%Tishomingo County: -1.6%
Change 2020 to 2024
  1. < -5.3%
  2. < -2.3%
  3. < -1.2%
  4. < +1.1%
  5. ≥ +1.1%
no data

Orange pin: Washington County internal point. Dark pin: Jackson.

Internal point

Decimal
33.273200, -90.944400
DMS
33°16'23.52"N 90°56'39.84"W
UTM
15N 691448.1E 3683459.2N
Geohash
9vzm690q3
Plus code
865F73F4+76

Towns in Washington County

3 incorporated places of 1,000+ people have residents in Washington County, 32,765 people together, or 80% of the county. Each figure counts only the part of the town inside Washington County; towns marked "part" extend into another county. The largest is Greenville with 27,015.

  1. 01Greenville27,015
  2. 02Leland3,627
  3. 03Hollandale2,123
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Washington County

The Census 2024 county adjacency file lists 6 neighbors for Washington County, including 1 across a state line. The most populous is Bolivar County, MS, with 28,395 residents. Distances run between Census internal points in a straight line.

Distance to Jackson and the nearest big city

Jackson is 80.5 miles SSE of Washington County's internal point in a straight line. The nearest place of 100,000 or more is Jackson, MS (population 141,449), 78.6 miles away. The nearest place of 10,000 or more is Greenville, MS (population 27,015), 9.8 miles away.

Washington County FIPS code

The FIPS code of Washington County is 28151: state code 28 for Mississippi plus county code 151. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $39,081.

Questions people ask

What is the population of Washington County, Mississippi?

The Census Vintage 2024 estimate for July 1, 2024 is 41,181. That is down 3,467 people (7.8%) from the July 2020 estimate of 44,648.

What is the FIPS code of Washington County?

28151. The first two digits (28) are Mississippi; the last three (151) identify the county.

What is the largest town in Washington County?

Greenville, with 27,015 residents inside Washington County in 2024.

Which counties border Washington County?

6 county-equivalents border it in the Census 2024 adjacency file: Bolivar County, MS; Sunflower County, MS; Chicot County, AR; Humphreys County, MS; Sharkey County, MS; Issaquena County, MS.

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.