Kirkland is a village in DeKalb County, Illinois, United States. The population was 1,744 at the 2010 census, up from 1,166 in 2000.
A post office called Kirkland has been in operation since 1875. Kirkland was platted in 1876. The village was named for William T. Kirk, a local landowner.
Kirkland is located at 42°5′29″N 88°51′1″W (42.091306, -88.850345).
According to the 2010 census, Kirkland has a total area of 1.232 square miles (3.19 km2), of which 1.22 square miles (3.16 km2) (or 99.03%) is land and 0.012 square miles (0.03 km2) (or 0.97%) is water.
As of the census of 2000, there were 1,166 people, 430 households, and 307 families residing in the village. The population density was 1,036.0 people per square mile (398.4/km2). There were 442 housing units at an average density of 392.7 per square mile (151.0/km2). 23.5% of all households were made up of individuals, and 9.8% had someone living alone who was 65 years of age or older. The average household size was 2.71 and the average family size was 3.26.
In the village, the population was spread out, with 29.5% under the age of 18, 9.2% from 18 to 24, 31.8% from 25 to 44, 18.9% from 45 to 64, and 10.6% who were 65 years of age or older.