Pop. %± 1860 1,612 — 1870 64 −96.0% 1880 905 1,314.1% 1890 5,387 495.2% 1900 7,889 46.4% 1910 9,669 22.6% 1920 10,638 10.0% 1930 9,688 −8.9% 1940 10,717 10.6% 1950 9,649 −10.0% 1960 8,343 −13.5% 1970 6,853 −17.9% 1980 6,672 −2.6% 1990 5,767 −13.6% 2000 5,285 −8.4% 2010 4,552 −13.9% 2019 (est.) 4,298 [10] −5.6% US Decennial Census[11] 1790-1960[12] 1900-1990[13] 1990-2000[14] 2010-2019[1] Age pyramid of county residents based on 2000 US census data 4 2000 census As of the 2000 United States Census, there were 5,285 people, 2,167 households, and 1,447 families in the county. The population density was 4.81/sqmi (1.86/km2). There were 2,719 housing units at an average density of 2.47/sqmi (0.96/km2). The racial makeup of the county was 98.09% White, 0.15% Black or African American, 0.26% Native American, 0.25% Asian, 0.38% from other races, and 0.87% from two or more races. 1.27% of the population were Hispanic or Latino of any race. 30.1% were of Norwegian, 25.7% Swedish, 13.7% German and 6.6% Polish ancestry. Kittson County had the highest percentage of Swedish speakers of any county in the United States. There were 2,167 households, out of which 29.20% had children under the age of 18 living with them, 57.40% were married couples living together, 6.00% had a female householder with no husband present, and 33.20% were non-families. 30.50% of all households were made up of individuals, and 16.30% had someone living alone who was 65 years of age or older. The average household size was 2.37 and the average family size was 2.96. The county population contained 25.10% under the age of 18, 5.50% from 18 to 24, 23.70% from 25 to 44, 24.20% from 45 to 64, and 21.60% who were 65 years of age or older. The median age was 42 years. For every 100 females there were 98.40 males. For every 100 females age 18 and over, there were 98.60 males. The median income for a household in the county was $32,515, and the median income for a family was $40,072. Males had a median income of $30,240 versus $21,320 for females. The per capita income for the county was $16,525. About 8.00% of families and 10.20% of the population were below the poverty line, including 11.30% of those under age 18 and 10.40% of those age 65 or over. 5 Communities 5.1 Cities Donaldson Hallock (county seat) Halma Humboldt Karlstad Kennedy Lake Bronson (named