Isanti County is
a county located
in the U.S.
state of
Minnesota. As of
2000, the
population was
31,287. Its
county seat is
Cambridge.
According to the
U.S. Census
Bureau, the
county has a
total area of
452 square miles
(1,170 kmē), of
which, 439
square miles
(1,137 kmē) of
it is land and
13 square miles
(33 kmē) of it
(2.83%) is
water.