Families below poverty level number 3,233, while individuals below poverty level number 17,570. Single-family owner-occupied homes number 37,688. Of them, median value (dollars) number 75,500, median of selected monthly owner costs is not applicable, with a mortgage (dollars) number 836, while not mortgaged (dollars) number 272. Of South Dakota's population in the year 2000 at 754,844, 115,292 said that they have Norwegian ancestry, or 15.2%. Of them 56,361 (48.9%) were male, and 58,931 (51.1%) were female. The median age was 36, exactly the same as for the whole South Dakotan population, slightly lower with 36.7 for the whole American population, and lower with 39.4 for Norway's population. Among Norwegians in South Dakota, 7,414 were younger than the age of 5 (or 6.4% of all those with Norwegian ancestry); of the whole South Dakotan population, 51,024 were younger than the age of 5 (or 6.7% of all South Dakotans). Among Norwegian South Dakotans, 8,027 were between 5 and 17 years of age (or 6.9% of all those with Norwegian ancestry), compared to 43,586 between 5 and 17 for the whole South Dakotan population (or 5.7% of all South Dakotans). Among the group, 83,830 were between 18 and 64 (or 72.7% of all Norwegian South Dakotans), compared to 481,301 between 18 and 64 for the whole South Dakotan population (or 73.1% of all South Dakotans). Among the group, 16,021 were older than 65 (or 13.8% of all those with Norwegian ancestry), compared to 108,116 older than 65 for the whole South Dakotan population (or 14.3% of all South Dakotans). The household population number 112,480, when the group quarters population number 2,812. The average household size is 2, when the average family size is 3. Occupied housing units number 45,206; of them, owner-occupied housing units number 32,728 and renter-occupied housing units number 12,478.   71,963 are 25 years, or over. Of them, 64,874 are high school graduate or higher, and 18,155 bachelor's degree or higher. 10,926 is civilian veterans (civilian population 18 years and over). 14,749 has disability status (population 5 years and over). 258 are foreign born. 25,815 is male, now married, except separated (population 15 years and over) and 26,488 is female, now married, except separated (population 15 years and over).