Washington County lies on the east side of Minnesota. Its east border abuts the west border of the state of Wisconsin (across the St. Croix River). The Mississippi River flows south-southeastward west of Washington County, and forms the southwest border of the county as it flows toward its confluence with the St. Croix (at the county's southernmost point).Washington County MN Google Maps (accessed April 22, 2019) Washington County terrain consists of low rolling hills, sloping to the south and east, with its highest point on the lower west border at ASL."Find an Altitude/Washington County MN" Google Maps (accessed April 22, 2019) The county has a total area of , of which is land and (9.1%) is water. It is the fourth-smallest county in Minnesota by land area and fifth-smallest by total area.
washington county lies on the east side of minnesota its east border abuts the west border of the state of wisconsin (across the st croix river) the mississippi river flows south-southeastward west of washington county and forms the southwest border of the county as it flows toward its confluence with the st croix (at the county's southernmost point)washington county mn google maps (accessed april 22 2019) washington county terrain consists of low rolling hills sloping to the south and east with its highest point on the lower west border at asl"find an altitude/washington county mn" google maps (accessed april 22 2019) the county has a total area of  of which is land and (91%) is water it is the fourth-smallest county in minnesota by land area and fifth-smallest by total area