• county
  • FIPS 46087
  • Largest town: Salem

McCook County, South Dakota

McCook County had 5,771 residents in the Census Vintage 2024 estimate, on 574.2 square miles of land. It ranks 30th of 66 in South Dakota by population and 52nd by land area.

Population
5,771
#30 of 66 in South Dakota · #2,753 in US
Area
574.2 sq mi
#52 of 66 in South Dakota · #1,736 in US
Density
10 / sq mi
#20 of 66 in South Dakota · #2,564 in US
Median household income
$85,702
#4 of 66 in South Dakota · #318 in US

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

McCook County within South Dakota. Pin: Pierre.

Measure from here

Tools and pages that start from McCook County

McCook County population, land area and income

McCook County had 5,771 residents in the Census Vintage 2024 estimate, on 574.2 square miles of land. It ranks 30th of 66 in South Dakota by population and 52nd by land area. That works out to 10.1 people per square mile, below the US average of 96.3, and in the bottom quarter nationally.

The median county-equivalent in South Dakota has 5,296 residents, about the same as McCook County.

Its SAIPE 2023 median household income of $85,702 is in the top quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

5,771

3144th1st

2753rd of 3,144 (US)

Land area

574 sq mi

3144th1st

1736th of 3,144 (US)

Density

10.1 / sq mi

3144th1st

2564th of 3,144 (US)

Median household income

$85,702

3143rd1st

318th of 3,143 (US)

Rank within South Dakota (66)

Population

5,771

66th1st

30th of 66 (SD)

Land area

574 sq mi

66th1st

52nd of 66 (SD)

Density

10.1 / sq mi

66th1st

20th of 66 (SD)

Median household income

$85,702

66th1st

4th of 66 (SD)

How McCook County's population changed since 2020

McCook County gained 97 residents between the July 2020 and July 2024 estimates, a rise of 1.7%. That ranks 22nd of 66 in South Dakota for growth. The median South Dakota county changed by +0.8%, and the state as a whole by +4.1%.

Since the April 2020 estimates base, McCook County recorded 334 births and 319 deaths, a natural change of +15. Net international migration added +1 and net domestic migration, people moving to or from other US counties, came to +75. The largest single component was domestic migration, which added 75 people.

5,67420205,72520215,77520225,80920235,7712024
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
334
Deaths
319
Net international migration
+1
Net domestic migration
+75
Change, July 2023 to July 2024
-38

Where McCook County is

The Census internal point of McCook County is at 43.680400, -97.358000. It sits in UTM zone 14N. The map shades South Dakota's 66 county-equivalents by population change from 2020 to 2024, darker for faster growth, with McCook County outlined. Dots are towns of 1,000+ people with residents in it.

Davison County: -0.2%Minnehaha County: +5.5%Bennett County: -3.0%Clark County: +3.2%Hamlin County: +7.1%Jerauld County: +2.8%Brule County: +0.2%Aurora County: +0.4%Turner County: +4.6%Beadle County: +1.5%Hand County: -1.6%Kingsbury County: +1.0%McCook County: +1.7%Miner County: -0.0%Lyman County: +0.5%Codington County: +3.3%Deuel County: +0.8%Sully County: +1.1%Oglala Lakota County: -2.1%Edmunds County: +0.8%Sanborn County: +2.7%Spink County: -3.7%Lake County: -0.1%Hyde County: -3.0%Potter County: -2.9%Perkins County: -0.6%Faulk County: +0.5%Day County: -0.5%Clay County: +1.6%Hanson County: +0.5%Fall River County: +5.5%Brookings County: +5.9%Yankton County: +1.0%Hutchinson County: -0.1%Butte County: +5.8%Custer County: +11.8%Lawrence County: +11.5%Hughes County: -1.2%Grant County: +1.0%Brown County: -1.9%Gregory County: +2.8%Campbell County: -2.8%Bon Homme County: +1.4%McPherson County: -4.0%Lincoln County: +14.6%Stanley County: +1.5%Walworth County: -0.5%Harding County: +1.3%Marshall County: +2.3%Union County: +3.2%Pennington County: +5.8%Buffalo County: -5.8%Moody County: +3.0%Tripp County: +2.0%Roberts County: +0.2%Charles Mix County: -0.3%Meade County: +3.4%Haakon County: -1.8%Jones County: -5.3%Douglas County: +0.5%Dewey County: +1.9%Corson County: -3.6%Mellette County: -4.6%Todd County: -1.6%Jackson County: -2.4%Ziebach County: +1.0%
Change 2020 to 2024
  1. < -1.8%
  2. < +0.2%
  3. < +1.3%
  4. < +3.2%
  5. ≥ +3.2%
no data

Orange pin: McCook County internal point. Dark pin: Pierre.

Internal point

Decimal
43.680400, -97.358000
DMS
43°40'49.44"N 97°21'28.80"W
UTM
14N 632351.4E 4837686.5N
Geohash
9zfb2xf0f
Plus code
86M4MJJR+5R

Towns in McCook County

One incorporated place of 1,000+ people has residents in McCook County, 1,315 people together, or 23% of the county. Each figure counts only the part of the town inside McCook County; towns marked "part" extend into another county. The largest is Salem with 1,315.

  1. 01Salem1,315
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering McCook County

The Census 2024 county adjacency file lists 6 neighbors for McCook County. The most populous is Minnehaha County, SD, with 208,639 residents. Distances run between Census internal points in a straight line.

Distance to Pierre and the nearest big city

Pierre is 155.8 miles WNW of McCook County's internal point in a straight line. The nearest place of 100,000 or more is Sioux Falls, SD (population 209,289), 32.7 miles away.

McCook County FIPS code

The FIPS code of McCook County is 46087: state code 46 for South Dakota plus county code 087. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $85,702.

Questions people ask

What is the population of McCook County, South Dakota?

The Census Vintage 2024 estimate for July 1, 2024 is 5,771. That is up 97 people (1.7%) from the July 2020 estimate of 5,674.

What is the FIPS code of McCook County?

46087. The first two digits (46) are South Dakota; the last three (087) identify the county.

What is the largest town in McCook County?

Salem, with 1,315 residents inside McCook County in 2024.

Which counties border McCook County?

6 county-equivalents border it in the Census 2024 adjacency file: Minnehaha County, SD; Lake County, SD; Turner County, SD; Hutchinson County, SD; Hanson County, SD; Miner County, SD.

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.