• county
  • FIPS 46029
  • Largest town: Watertown

Codington County, South Dakota

Codington County had 29,278 residents in the Census Vintage 2024 estimate, on 687.6 square miles of land. It ranks 7th of 66 in South Dakota by population and 47th by land area.

Population
29,278
#7 of 66 in South Dakota · #1,462 in US
Area
687.6 sq mi
#47 of 66 in South Dakota · #1,363 in US
Density
43 / sq mi
#6 of 66 in South Dakota · #1,613 in US
Median household income
$66,288
#37 of 66 in South Dakota · #1,272 in US

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

Codington County within South Dakota. Pin: Pierre.

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Tools and pages that start from Codington County

Codington County population, land area and income

Codington County had 29,278 residents in the Census Vintage 2024 estimate, on 687.6 square miles of land. It ranks 7th of 66 in South Dakota by population and 47th by land area. That works out to 42.6 people per square mile, below the US average of 96.3, and below the national county median.

The median county-equivalent in South Dakota has 5,296 residents, so Codington County is 5.5 times that size.

Its SAIPE 2023 median household income of $66,288 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

29,278

3144th1st

1462nd of 3,144 (US)

Land area

688 sq mi

3144th1st

1363rd of 3,144 (US)

Density

42.6 / sq mi

3144th1st

1613th of 3,144 (US)

Median household income

$66,288

3143rd1st

1272nd of 3,143 (US)

Rank within South Dakota (66)

Population

29,278

66th1st

7th of 66 (SD)

Land area

688 sq mi

66th1st

47th of 66 (SD)

Density

42.6 / sq mi

66th1st

6th of 66 (SD)

Median household income

$66,288

66th1st

37th of 66 (SD)

How Codington County's population changed since 2020

Codington County gained 923 residents between the July 2020 and July 2024 estimates, a rise of 3.3%. That ranks 12th 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, Codington County recorded 1,357 births and 1,234 deaths, a natural change of +123. Net international migration added +91 and net domestic migration, people moving to or from other US counties, came to +725. The largest single component was domestic migration, which added 725 people.

28.4k202028.5k202128.8k202229.0k202329.3k2024
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
1,357
Deaths
1,234
Net international migration
+91
Net domestic migration
+725
Change, July 2023 to July 2024
+326

Where Codington County is

The Census internal point of Codington County is at 44.966300, -97.198800. 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 Codington 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: Codington County internal point. Dark pin: Pierre.

Internal point

Decimal
44.966300, -97.198800
DMS
44°57'58.68"N 97°11'55.68"W
UTM
14N 642045.4E 4980784.9N
Geohash
9zfzu1vgx
Plus code
86P4XR82+GF

Towns in Codington County

One incorporated place of 1,000+ people has residents in Codington County, 23,492 people together, or 80% of the county. Each figure counts only the part of the town inside Codington County; towns marked "part" extend into another county. The largest is Watertown with 23,492.

  1. 01Watertown23,492
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Codington County

The Census 2024 county adjacency file lists 5 neighbors for Codington County. The most populous is Grant County, SD, with 7,618 residents. Distances run between Census internal points in a straight line.

Distance to Pierre and the nearest big city

Pierre is 160.1 miles WSW of Codington County's internal point in a straight line. The nearest place of 100,000 or more is Sioux Falls, SD (population 209,289), 101.2 miles away. The nearest place of 10,000 or more is Watertown, SD (population 23,492), 4.5 miles away.

Codington County FIPS code

The FIPS code of Codington County is 46029: state code 46 for South Dakota plus county code 029. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $66,288.

Questions people ask

What is the population of Codington County, South Dakota?

The Census Vintage 2024 estimate for July 1, 2024 is 29,278. That is up 923 people (3.3%) from the July 2020 estimate of 28,355.

What is the FIPS code of Codington County?

46029. The first two digits (46) are South Dakota; the last three (029) identify the county.

What is the largest town in Codington County?

Watertown, with 23,492 residents inside Codington County in 2024.

Which counties border Codington County?

5 county-equivalents border it in the Census 2024 adjacency file: Grant County, SD; Hamlin County, SD; Day County, SD; Deuel County, SD; Clark 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.