|Area||1.57 sq mi (4 km2)|
|- land||1.52 sq mi (4 km2)|
|- water||0.05 sq mi (0 km2)|
|Density||758.7/sq mi (293/km2)|
|- summer (DST)||EDT (UTC-5)|
Hiller is an unincorporated community and census-designated place in Fayette County, Pennsylvania, United States. As of the 2010 census, it had a population of 1,155, down from 1,234 at the 2000 census. It is located in Luzerne Township.
Hiller is located in western Fayette County at  It is in the northeast corner of Luzerne Township, bordered to the east by Dunlap Creek, to the northeast by the borough of Brownsville, and to the northwest by the Monongahela River, which forms the Washington County line. Pennsylvania Route 43, the Mon–Fayette Expressway, passes just south of Hiller, with access from Exit 26, Telegraph Road, which becomes High Street in the center of Hiller. Via PA 43, Uniontown is 16 miles (26 km) to the southeast and downtown Pittsburgh is 41 miles (66 km) to the north.(40.009210, -79.904558).
According to the United States Census Bureau, the Hiller CDP has a total area of 1.57 square miles (4.07 km2), of which 1.52 square miles (3.94 km2) is land and 0.05 square miles (0.13 km2), or 3.08%, is water.
As of the census of 2000, there were 1,234 people, 523 households, and 357 families residing in the CDP. The population density was 813.4 people per square mile (313.5/km²). There were 567 housing units at an average density of 373.8/sq mi (144.0/km²). The racial makeup of the CDP was 91.25% White, 6.89% African American, 0.08% Native American, 0.08% Asian, and 1.70% from two or more races. Hispanic or Latino of any race were 0.65% of the population.
There were 523 households, out of which 23.5% had children under the age of 18 living with them, 52.4% were married couples living together, 12.2% had a female householder with no husband present, and 31.7% were non-families. 29.3% of all households were made up of individuals, and 19.7% 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 2.87.
In the CDP the population was spread out, with 20.4% under the age of 18, 7.2% from 18 to 24, 24.5% from 25 to 44, 23.0% from 45 to 64, and 24.9% who were 65 years of age or older. The median age was 44 years. For every 100 females there were 89.8 males. For every 100 females age 18 and over, there were 84.9 males.
The median income for a household in the CDP was $32,736, and the median income for a family was $36,650. Males had a median income of $30,216 versus $19,722 for females. The per capita income for the CDP was $15,142. About 7.0% of families and 18.1% of the population were below the poverty line, including 29.7% of those under age 18 and 18.7% of those age 65 or over.
- "Geographic Identifiers: 2010 Census Summary File 1 (G001), Hiller CDP, Pennsylvania". American FactFinder. U.S. Census Bureau. Retrieved July 25, 2016.
- "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.