Хиллсборо қаласы және Монтгомери округінің сипаттамасы

Hillsboro is a city in and the county seat of Montgomery County, Illinois, United States. The population was 5,902 at the 2020 census. There is some doubt about the origin of the city's name. The local terrain is quite hilly, as a result of the drainage of the Shoal Creek watershed, causing widespread belief that this is the name's source. Alternatively, there is the belief that it was named for Hillsborough, North Carolina, the home of some of the early settlers, including Hiram Rountree and John Nussman.

Hillsboro is located south of the center of Montgomery County at (39.164973, −89.484572). It is bordered to the east by Schram City and to the south by Taylor Springs. Illinois Route 16 passes through the city center, leading west 9 mile (14 km) to Litchfield and northeast 28 mile (45 km) to Pana. Illinois Route 127 enters Hillsboro from the northwest with IL 16 but continues south as Vandalia Road; IL 127 leads north northwest 12 mile (19 km) to Raymond and south 20 mile (32 km) to Greenville. Vandalia is 27 mile (43 km) to the southeast via Illinois Route 185. According to the U. S. Census Bureau, Hillsboro has a total area of 10.4 square miles (27 km2), of which 8.7 square miles (23 km2) are land and 1.8 square miles (5 km2), or 16.84%, are water.

As of the census of 2000, there were 4,359 people, 1,800 households, and 1,189 families residing in the city. The population density was There were 1,944 housing units at an average density of The racial makeup of the city was 97.22% White, 1.10% African American, 0.32% Native American, 0.37% Asian, 0.07% Pacific Islander, 0.39% from other races, and 0.53% from two or more races. Hispanic or Latino of any race were 1.19% of the population. There were 1,800 households, out of which 33.1% had children under the age of 18 living with them, 50.2% were married couples living together, 11.9% had a female householder with no husband present, and 33.9% were non families. 30.0% of all households were made up of individuals, and 14.8% had someone living alone who was 65 years of age or older. The average household size was 2.36 and the average family size was 2.91. In the city, the population was spread out, with 25.8% under the age of 18, 8.4% from 18 to 24, 27.2% from 25 to 44, 21.0% from 45 to 64, and 17.6% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 85.7 males. For every 100 females age 18 and over, there were 80.3 males. The median income for a household in the city was $33,075, and the median income for a family was $40,135. Males had a median income of $31,821 versus $18,668 for females. The per capita income for the city was $17,458. About 14.3% of families and 17.2% of the population were below the poverty line, including 24.9% of those under age 18 and 11.9% of those age 65 or over.

The Bremer Wildlife Sanctuary, north of Hillsboro, is the southeastern terminus of the Arches Rail Trail. The 3 mile (5 km) rail trail connects the Hillsboro area with nearby Butler.