Isanti County, Minnesota

Isanti County is a located in the  of. As of 2000, the population was 31,287. Its is.

Geography
According to the, the county has a total area of 1,170 (452 ). 1,137 km² (439 sq mi) of it is land and 33 km² (13 sq mi) of it (2.83%) is water.

Adjacent counties

 * (north)
 * (northeast)
 * (east)
 * (south)
 * (southwest)
 * (northwest)

Demographics
As of the of 2000, there were 31,287 people, 11,236 households, and 8,415 families residing in the county. The was 28/km² (71/sq mi). There were 12,062 housing units at an average density of 11/km² (28/sq mi). The racial makeup of the county was 97.65%, 0.26% or , 0.58% , 0.38% , 0.02% , 0.17% from , and 0.94% from two or more races. 0.83% of the population were or  of any race. 30.3% were of, 21.3% , 12.7% and 5.1%  ancestry according to.

There were 11,236 households out of which 38.10% had children under the age of 18 living with them, 62.10% were living together, 8.40% had a female householder with no husband present, and 25.10% were non-families. 20.10% of all households were made up of individuals and 8.20% had someone living alone who was 65 years of age or older. The average household size was 2.74 and the average family size was 3.15. In the county the population was spread out with 28.70% under the age of 18, 7.80% from 18 to 24, 30.40% from 25 to 44, 22.20% from 45 to 64, and 10.80% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 100.50 males. For every 100 females age 18 and over, there were 98.80 males.

The median income for a household in the county was $50,127, and the median income for a family was $55,996. Males had a median income of $39,381 versus $26,427 for females. The for the county was $20,348. About 4.00% of families and 5.70% of the population were below the, including 5.70% of those under age 18 and 8.60% of those age 65 or over.