• county
  • FIPS 46117
  • Largest town: Fort Pierre

Stanley County, South Dakota

Stanley County had 3,015 residents in the Census Vintage 2024 estimate, on 1,444.4 square miles of land. It ranks 47th of 66 in South Dakota by population and 18th by land area.

Population
3,015
#47 of 66 in South Dakota · #2,956 in US
Area
1,444.4 sq mi
#18 of 66 in South Dakota · #415 in US
Density
2.1 / sq mi
#54 of 66 in South Dakota · #2,979 in US
Median household income
$82,778
#5 of 66 in South Dakota · #377 in US

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

Stanley County within South Dakota. Pin: Pierre.

Stanley County population, land area and income

Stanley County had 3,015 residents in the Census Vintage 2024 estimate, on 1,444.4 square miles of land. It ranks 47th of 66 in South Dakota by population and 18th by land area. That works out to 2.1 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; Stanley County is somewhat smaller.

Its SAIPE 2023 median household income of $82,778 is in the top quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

3,015

3144th1st

2956th of 3,144 (US)

Land area

1,444 sq mi

3144th1st

415th of 3,144 (US)

Density

2.1 / sq mi

3144th1st

2979th of 3,144 (US)

Median household income

$82,778

3143rd1st

377th of 3,143 (US)

Rank within South Dakota (66)

Population

3,015

66th1st

47th of 66 (SD)

Land area

1,444 sq mi

66th1st

18th of 66 (SD)

Density

2.1 / sq mi

66th1st

54th of 66 (SD)

Median household income

$82,778

66th1st

5th of 66 (SD)

How Stanley County's population changed since 2020

Stanley County gained 45 residents between the July 2020 and July 2024 estimates, a rise of 1.5%. That ranks 25th 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, Stanley County recorded 127 births and 131 deaths, a natural change of -4. Net international migration added +0 and net domestic migration, people moving to or from other US counties, came to +44. The largest single component was domestic migration, which added 44 people.

2,97020203,03420213,01420223,04020233,0152024
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
127
Deaths
131
Net international migration
+0
Net domestic migration
+44
Change, July 2023 to July 2024
-25

Where Stanley County is

The Census internal point of Stanley County is at 44.414000, -100.747800. 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 Stanley County outlined. Dots are towns of 1,000+ people with residents in it.

Internal point

Decimal
44.414000, -100.747800
DMS
44°24'50.40"N 100°44'52.08"W
UTM
14N 360849.3E 4919342.1N
Geohash
9zbkemmdq
Plus code
85PXC772+JV

Towns in Stanley County

One incorporated place of 1,000+ people has residents in Stanley County, 2,158 people together, or 72% of the county. Each figure counts only the part of the town inside Stanley County; towns marked "part" extend into another county. The largest is Fort Pierre with 2,158.

  1. 01Fort Pierre2,158
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Stanley County

The Census 2024 county adjacency file lists 7 neighbors for Stanley County. The most populous is Hughes County, SD, with 17,526 residents. Distances run between Census internal points in a straight line.

Distance to Pierre and the nearest big city

Pierre is 20.1 miles E of Stanley County's internal point in a straight line. The nearest place of 100,000 or more is Sioux Falls, SD (population 209,289), 208.5 miles away. The nearest place of 10,000 or more is Pierre, SD (population 13,788), 21.3 miles away.

Stanley County FIPS code

The FIPS code of Stanley County is 46117: state code 46 for South Dakota plus county code 117. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $82,778.

Questions people ask

What is the population of Stanley County, South Dakota?

The Census Vintage 2024 estimate for July 1, 2024 is 3,015. That is up 45 people (1.5%) from the July 2020 estimate of 2,970.

What is the FIPS code of Stanley County?

46117. The first two digits (46) are South Dakota; the last three (117) identify the county.

What is the largest town in Stanley County?

Fort Pierre, with 2,158 residents inside Stanley County in 2024.

Which counties border Stanley County?

7 county-equivalents border it in the Census 2024 adjacency file: Hughes County, SD; Dewey County, SD; Lyman County, SD; Ziebach County, SD; Haakon County, SD; Sully County, SD; Jones 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.