[8] The Thomas C. Fletcher House and Sandy Creek Covered Bridge are listed on the National Register of Historic Places.
[9] According to the United States Census Bureau, the city has a total area of 3.65 square miles (9.45 km2), all land.
There were 957 housing units at an average density of 262.2 per square mile (101.2/km2).
25.1% of all households were made up of individuals, and 8.2% had someone living alone who was 65 years of age or older.
There were 620 housing units at an average density of 259.6 per square mile (100.2/km2).
26.2% of all households were made up of individuals, and 8.3% had someone living alone who was 65 years of age or older.
The main campus of Jefferson College is located in Hillsboro.