| Official Name: | South Annville Township, Pennsylvania |
| Settlement Type: | Township |
| Mapsize: | 250x200px |
| Image Map1: | Map of Pennsylvania highlighting Lebanon County.svg |
| Mapsize1: | 250x200px |
| Map Caption1: | Map of Lebanon County, Pennsylvania |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Lebanon |
| Established Title: | Settled |
| Established Title1: | Incorporated |
| Established Date1: | 1845 |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 50.43 |
| Area Land Km2: | 50.43 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 19.47 |
| Area Land Sq Mi: | 19.47 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 3426 |
| Population Density Km2: | 58.58 |
| Population Density Sq Mi: | 151.73 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Area Code: | 717 |
| Pop Est As Of: | 2021 |
| Population Est: | 3429 |
| Blank Name: | FIPS code |
| Blank Info: | 42-075-71928 |
South Annville Township is a township in Lebanon County, Pennsylvania, United States. It is part of the Lebanon, Pennsylvania Metropolitan Statistical Area. The population was 3,426 at the 2020 census.[2]
The Annville Historic District and Biever House at Annville are listed on the National Register of Historic Places.
According to the U.S. Census Bureau, the township has a total area of 19.6 square miles (50.9 km2), all land. It includes the unincorporated communities of Mount Pleasant and Fontana, and part of the community of Mount Wilson is on the southern border.
Annville-Cleona High School is in the northern part of the township. Umberger's Mill is a point of interest - it is one of the last family owned mills in the United States.
As of the census[3] of 2000, there were 2,946 people, 1,095 households, and 849 families residing in the township. The population density was 149.9sp=usNaNsp=us. There were 1,129 housing units at an average density of 57.5sp=usNaNsp=us. The racial makeup of the township was 97.90% White, 0.37% African American, 0.03% Native American, 0.75% Asian, 0.51% from other races, and 0.44% from two or more races. Hispanic or Latino of any race were 1.26% of the population.
There were 1,095 households, out of which 31.1% had children under the age of 18 living with them, 68.2% were married couples living together, 6.9% had a female householder with no husband present, and 22.4% were non-families. 19.4% of all households were made up of individuals, and 8.3% had someone living alone who was 65 years of age or older. The average household size was 2.61 and the average family size was 3.00.
In the township, the population was spread out, with 23.5% under the age of 18, 7.1% from 18 to 24, 25.5% from 25 to 44, 28.8% from 45 to 64, and 15.2% who were 65 years of age or older. The median age was 41 years. For every 100 females there were 96.0 males. For every 100 females age 18 and over, there were 93.5 males.
The median income for a household in the township was $51,168, and the median income for a family was $54,813. Males had a median income of $37,463 versus $26,591 for females. The per capita income for the township was $22,040. About 3.5% of families and 3.8% of the population were below the poverty line, including 3.0% of those under age 18 and 8.5% of those age 65 or over.