Hillview is a village in Greene County, Illinois, United States. The population was 193 at the 2010 census.
Hillview is located in northwestern Greene County at 39°26′59″N 90°32′17″W / 39.44972°N 90.53806°W / 39.44972; -90.53806 (39.449652, -90.537983), in the valley of Hurricane Creek where it enters the Illinois River bottomlands. Hillview is 12 miles (19 km) north (upriver) of Eldred and 8 miles (13 km) west of White Hall. Carrollton, the Greene County seat, is 18 miles (29 km) to the southeast.
According to the 2010 census, Hillview has a total area of 0.82 square miles (2.12 km), all land.
As of the census of 2000, there were 179 people, 63 households, and 50 families residing in the village. The population density was 211.2 people per square mile (81.3/km²). There were 72 housing units at an average density of 85.0 per square mile (32.7/km²). The racial makeup of the village was 100.00% White.
There were 63 households out of which 30.2% had children under the age of 18 living with them, 65.1% were married couples living together, 7.9% had a female householder with no husband present, and 20.6% were non-families. 19.0% of all households were made up of individuals and 12.7% had someone living alone who was 65 years of age or older. The average household size was 2.84 and the average family size was 3.24.
In the village, the population was spread out with 28.5% under the age of 18, 5.0% from 18 to 24, 27.9% from 25 to 44, 21.8% from 45 to 64, and 16.8% who were 65 years of age or older. The median age was 35 years. For every 100 females, there were 98.9 males. For every 100 females age 18 and over, there were 93.9 males.
The median income for a household in the village was $24,167, and the median income for a family was $25,625. Males had a median income of $15,625 versus $18,750 for females. The per capita income for the village was $9,157. About 23.7% of families and 25.3% of the population were below the poverty line, including 25.5% of those under the age of eighteen and 15.4% of those sixty five or over.