| Official Name: | Union Township, Jefferson County, Pennsylvania |
| Settlement Type: | Township |
| Mapsize: | 250px |
| Image Map1: | Map of Pennsylvania highlighting Jefferson County.svg |
| Mapsize1: | 250px |
| Map Caption1: | Map of Jefferson County, Pennsylvania |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Jefferson |
| Government Type: | A Township of the Second Class, having a three member board of Supervisors |
| Established Title: | Settled |
| Established Date: | 1802 |
| Established Title1: | Incorporated |
| Established Date1: | 1849[1] |
| Unit Pref: | Imperial |
| Area Footnotes: | [2] |
| Area Total Km2: | 45.72 |
| Area Land Km2: | 45.68 |
| Area Water Km2: | 0.04 |
| Area Total Sq Mi: | 17.65 |
| Area Land Sq Mi: | 17.64 |
| Area Water Sq Mi: | 0.01 |
| Population As Of: | 2020 |
| Population Footnotes: | [3] |
| Population Total: | 849 |
| Population Density Km2: | auto |
| Population Density Sq Mi: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Pop Est As Of: | 2023 |
| Population Est: | 833 |
| Blank Name: | FIPS code |
| Blank Info: | 42-065-78336 |
Union Township is a township in Jefferson County, Pennsylvania, United States. The population was 849 at the 2020 census.[3] The name was derived from the term applied to the country of the United States.
The township is in northwestern Jefferson County and is bordered to the west by Clarion County. The borough of Corsica, a separate municipality, lies along the county line and is bordered to the north, east, and south by Union Township. Roseville is an unincorporated community in the eastern part of the township.
Interstate 80 crosses Union Township, with access from Exit 73 just north of Corsica. U.S. Route 322 runs south of and parallel to I-80, passing through Corsica and Roseville.
According to the United States Census Bureau, the township has a total area of 45.7sqkm, of which 0.04sqkm, or 0.08%, are water.[4] The township is bordered to the north by Mill Creek, a westward-flowing tributary of the Clarion River. The entire township is located in the Allegheny River watershed.
As of the census[5] of 2000, there were 816 people, 323 households, and 249 families residing in the township. The population density was 45.9sp=usNaNsp=us. There were 401 housing units at an average density of 22.6/sq mi (8.7/km2). The racial makeup of the township was 99.75% White, and 0.25% from two or more races. Hispanic or Latino of any race were 0.37% of the population.
There were 323 households, out of which 30.3% had children under the age of 18 living with them, 65.9% were married couples living together, 6.2% had a female householder with no husband present, and 22.9% were non-families. 20.7% of all households were made up of individuals, and 9.3% had someone living alone who was 65 years of age or older. The average household size was 2.53 and the average family size was 2.90.
In the township, the population was spread out, with 22.1% under the age of 18, 8.2% from 18 to 24, 26.7% from 25 to 44, 26.0% from 45 to 64, and 17.0% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 102.5 males. For every 100 females age 18 and over, there were 102.5 males.
The median income for a household in the township was $34,559, and the median income for a family was $38,828. Males had a median income of $29,318 versus $18,625 for females. The per capita income for the township was $15,528. About 4.6% of families and 7.2% of the population were below the poverty line, including 10.9% of those under age 18 and 6.2% of those age 65 or over.