South Dakota Citizen Population By County in 2017 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2017, the citizen population for South Dakota was 837,555 and represented 97.91% of the total South Dakota population.

Among all South Dakota counties, Minnehaha had the highest citizen population (176.18K), followed by Pennington (106.74K), and Lincoln (52.60K).

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 2017

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

See this for other years:

South Dakota Citizen Population By County in 2017

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County	Citizen Population	% of County Population
Minnehaha	176180	95.93
Pennington	106740	98.72
Lincoln	52600	98.98
Brown	37795	97.83
Brookings	32140	95.39
Codington	27795	99.39
Meade	26855	99.22
Lawrence	24660	98.56
Yankton	22435	99.01
Davison	19500	98.71
Hughes	17415	99.12
Beadle	16190	89.13
Union	14740	98.73
Oglala Lakota	14275	99.90
Clay	13575	97.63
Lake	12265	99.31
Roberts	10210	99.61
Butte	10145	99.51
Todd	9890	98.75
Charles Mix	9315	99.95
Custer	8385	98.42
Turner	8210	99.64
Hutchinson	7200	98.97
Grant	6960	97.55
Bon Homme	6925	99.35
Fall River	6700	98.75
Spink	6470	99.85
Moody	6340	97.61
Hamlin	5840	98.82
Dewey	5705	99.91
Day	5505	99.64
Tripp	5455	99.54
McCook	5445	98.73
Walworth	5335	97.00
Brule	5240	99.24
Kingsbury	4960	99.20
Marshall	4505	94.64
Deuel	4235	98.95
Gregory	4205	99.88
Corson	4165	99.76
Edmunds	3935	99.12
Lyman	3880	100.00
Clark	3605	99.04
Bennett	3425	99.56
Hanson	3405	100.00
Hand	3305	100.00
Jackson	3270	99.85
Stanley	2995	100.00
Perkins	2955	99.66
Douglas	2885	98.13
Ziebach	2820	99.47
Aurora	2645	96.53
McPherson	2365	100.00
Sanborn	2350	99.37
Faulk	2325	100.00
Potter	2295	98.92
Miner	2225	98.67
Haakon	2085	100.00
Mellette	2055	99.76
Buffalo	2050	100.00
Jerauld	1990	97.79
Campbell	1440	99.65
Sully	1390	100.00
Hyde	1370	99.64
Harding	1260	98.44
Jones	735	99.32