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  • FIPS 46003

Aurora County, South Dakota

Aurora County had 2,752 residents in the Census Vintage 2024 estimate, on 708.5 square miles of land. It ranks 50th of 66 in South Dakota by population and 45th by land area.

Population
2,752
#50 of 66 in South Dakota · #2,977 in US
Area
708.5 sq mi
#45 of 66 in South Dakota · #1,301 in US
Density
3.9 / sq mi
#43 of 66 in South Dakota · #2,837 in US
Median household income
$66,789
#36 of 66 in South Dakota · #1,229 in US

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

Aurora County within South Dakota. Pin: Pierre.

Aurora County population, land area and income

Aurora County had 2,752 residents in the Census Vintage 2024 estimate, on 708.5 square miles of land. It ranks 50th of 66 in South Dakota by population and 45th by land area. That works out to 3.9 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; Aurora County is somewhat smaller.

Its SAIPE 2023 median household income of $66,789 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

2,752

3144th1st

2977th of 3,144 (US)

Land area

708 sq mi

3144th1st

1301st of 3,144 (US)

Density

3.9 / sq mi

3144th1st

2837th of 3,144 (US)

Median household income

$66,789

3143rd1st

1229th of 3,143 (US)

Rank within South Dakota (66)

Population

2,752

66th1st

50th of 66 (SD)

Land area

708 sq mi

66th1st

45th of 66 (SD)

Density

3.9 / sq mi

66th1st

43rd of 66 (SD)

Median household income

$66,789

66th1st

36th of 66 (SD)

How Aurora County's population changed since 2020

Aurora County gained 12 residents between the July 2020 and July 2024 estimates, a rise of 0.4%. That ranks 39th 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, Aurora County recorded 161 births and 182 deaths, a natural change of -21. Net international migration added +16 and net domestic migration, people moving to or from other US counties, came to +3. The largest single component was natural change, which removed 21 people.

2,74020202,74120212,77220222,79620232,7522024
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
161
Deaths
182
Net international migration
+16
Net domestic migration
+3
Change, July 2023 to July 2024
-44

Where Aurora County is

The Census internal point of Aurora County is at 43.724700, -98.577600. 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 Aurora County outlined. Dots are towns of 1,000+ people with residents in it.

Internal point

Decimal
43.724700, -98.577600
DMS
43°43'28.92"N 98°34'39.36"W
UTM
14N 534021.8E 4841383.3N
Geohash
9zcbszcfz
Plus code
86M3PCFC+VX

Towns in Aurora County

No incorporated place of 1,000 or more people has residents in Aurora County. Its 2,752 residents live in smaller towns, census-designated places, or unincorporated land, which the subcounty estimates do not list at this size.

Counties bordering Aurora County

The Census 2024 county adjacency file lists 6 neighbors for Aurora County. The most populous is Davison County, SD, with 19,907 residents. Distances run between Census internal points in a straight line.

Distance to Pierre and the nearest big city

Pierre is 98.4 miles WNW of Aurora County's internal point in a straight line. The nearest place of 100,000 or more is Sioux Falls, SD (population 209,289), 93.1 miles away. The nearest place of 10,000 or more is Mitchell, SD (population 15,621), 26.7 miles away.

Aurora County FIPS code

The FIPS code of Aurora County is 46003: state code 46 for South Dakota plus county code 003. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $66,789.

Questions people ask

What is the population of Aurora County, South Dakota?

The Census Vintage 2024 estimate for July 1, 2024 is 2,752. That is up 12 people (0.4%) from the July 2020 estimate of 2,740.

What is the FIPS code of Aurora County?

46003. The first two digits (46) are South Dakota; the last three (003) identify the county.

What is the largest town in Aurora County?

No incorporated place of 1,000 or more people has residents in Aurora County. Its people live in smaller towns, census-designated places or unincorporated land.

Which counties border Aurora County?

6 county-equivalents border it in the Census 2024 adjacency file: Davison County, SD; Charles Mix County, SD; Brule County, SD; Douglas County, SD; Sanborn County, SD; Jerauld 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.