South Dakota Citizen Population By County in 2023 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2023, the citizen population for South Dakota was 879,675 and represented 97.83% of the total South Dakota population.

Among all South Dakota counties, Minnehaha had the highest citizen population (192.45K), followed by Pennington (111.16K), and Lincoln (66.82K).

In terms of percentages, Buffalo had the highest percentage of its population being citizens (100.00%), followed by Faulk (100.00%), and Haakon (100.00%).

The chart and table below shows the citizen population of each county and the percentage of each county's population that were citizens.

You can see similar information for other states and by state for the United States.

You may also be interested in:
South Dakota Citizen Voting-age Population By County in 2023

Data Source: US Census - ACS 5-Year (CVAP).

See this for other years:

South Dakota Citizen Population By County in 2023

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County	Citizen Population	% of County Population
Minnehaha	192445	95.89
Pennington	111155	99.18
Lincoln	66820	97.86
Brown	37270	97.87
Brookings	33635	96.18
Meade	30020	99.09
Codington	28315	99.16
Lawrence	26260	98.82
Yankton	22835	97.67
Davison	19685	98.75
Hughes	17700	99.83
Beadle	17655	91.57
Union	16680	98.61
Clay	14550	96.14
Oglala Lakota	13585	100.00
Lake	10850	98.19
Butte	10510	99.72
Roberts	10155	99.36
Charles Mix	9240	99.57
Todd	9035	97.20
Custer	8635	99.42
Turner	8615	98.23
Hutchinson	7355	99.46
Grant	7200	95.43
Fall River	7110	99.03
Bon Homme	6995	99.57
Moody	6220	97.65
Spink	6220	98.97
Hamlin	6065	96.42
McCook	5710	99.65
Tripp	5540	98.84
Day	5445	99.73
Walworth	5290	99.81
Brule	5240	99.62
Dewey	5210	99.62
Kingsbury	5195	99.71
Deuel	4290	99.31
Marshall	4290	98.51
Edmunds	4000	99.13
Gregory	3985	99.75
Corson	3855	99.87
Clark	3805	98.19
Lyman	3690	99.33
Hanson	3445	99.14
Bennett	3315	98.81
Perkins	3050	99.67
Hand	3015	99.02
Stanley	3010	100.00
Jackson	2820	99.82
Douglas	2780	98.41
Aurora	2475	96.12
Potter	2430	100.00
Ziebach	2400	99.59
Sanborn	2330	98.31
Miner	2300	100.00
McPherson	2260	99.12
Faulk	2135	100.00
Mellette	2045	100.00
Jerauld	1805	97.83
Buffalo	1755	100.00
Haakon	1710	100.00
Campbell	1445	97.64
Sully	1420	95.95
Hyde	1305	100.00
Harding	1085	99.54
Jones	995	96.60