Hamlin County, South Dakota Cities (2025)

21 cities

City
Rank
2025 Pop.
2020 Pop.
Change
Density
Area (mi²)
Type
Estelline17827470.9%8280.94 City
Castlewood27126970.42%6191.15 City
Norden township36866360.88%1838.81 Township
Lake Norden46245582.13%7160.87 City
Bryant54704690%8970.52 City
Hayti64283921.66%9680.44 Town
Bryant township73473380.87%1621.37 Township
Estelline township83243040.62%746.51 Township
Oxford township93172990.63%651.83 Township
Cleveland township103032751.68%934.70 Township
Hayti township112812541.44%932.38 Township
Castlewood township122652471.15%834.58 Township
Hamlin township132642421.15%735.91 Township
Dempster township142342220%735.95 Township
Opdahl township152121931.44%633.94 Township
Brantford township161491390.68%353.37 Township
Dixon township171391261.46%435.85 Township
Garfield township181221130.83%335.21 Township
Hazel191011030%4170.24 Town
Bryant township2024240%134.91 Township
Bryant township2117170%0.0035.26 Township