According to the 2020 Census Grant County has a land area of 681.5 sq miles and a population of 7,556.

Historical Populations

Census	Pop.	%±
1880	3,010	NA
1890	6,814	126.4%
1900	9,103	33.6%
1910	10,303	13.2%
1920	NA	5.6%
1930	10,729	−1.4
1940	10,552	−1.6
1950	10,233	−3.0
1960	9,913	−3.1
1970	9,005	−9.2
1980	9,013	0.1%
1990	8,372	−7.1
2000	7,847	−6.3
2010	7,356	−6.3
2020	7,556	+2.72

Select the 2020 Census button below to go directly to the 2020 Census information.
2020 Census