| Official Name: | Limestone Township, Mountour County, Pennsylvania |
| Settlement Type: | Township |
| Mapsize: | 250x200px |
| Image Map1: | Map of Pennsylvania highlighting Montour County.svg |
| Mapsize1: | 250x200px |
| Map Caption1: | Map of Montour County, Pennsylvania |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Montour |
| Established Title: | Settled |
| Established Date: | 1790 |
| Established Title1: | Incorporated |
| Established Date1: | 1816 |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 34.66 |
| Area Land Km2: | 34.57 |
| Area Water Km2: | 0.09 |
| Area Total Sq Mi: | 13.38 |
| Area Land Sq Mi: | 13.35 |
| Area Water Sq Mi: | 0.03 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 1002 |
| Population Density Km2: | 32.13 |
| Population Density Sq Mi: | 83.23 |
| Pop Est As Of: | 2021 |
| Population Est: | 995 |
| Blank Name: | FIPS code |
| Blank Info: | 42-093-43360 |
Limestone Township is a township in Montour County, Pennsylvania, United States.
According to the United States Census Bureau, the township has a total area of 13.4 square miles (34.7 km2), all of it land.
As of the census[3] of 2000, there were 1,004 people, 335 households, and 277 families residing in the township.
The population density was 74.9sp=usNaNsp=us. There were 346 housing units at an average density of 25.8sp=usNaNsp=us.
The racial makeup of the township was 98.31% White, 0.50% African American, 0.20% from other races, and 1.00% from two or more races. Hispanic or Latino of any race were 0.30% of the population.
There were 335 households, out of which 37.0% had children under the age of eighteen living with them; 74.0% were married couples living together, 4.8% had a female householder with no husband present, and 17.3% were non-families. 14.6% of all households were made up of individuals, and 7.8% had someone living alone who was sixty-five years of age or older.
The average household size was 3.00 and the average family size was 3.34.
In the township, the population was spread out with 30.1% under the age of eighteen, 7.9% aged eighteen to twenty-four, 27.2% aged twenty-five to forty-four, 22.8% aged forty-five to sixty-four, and 12.1% who were sixty-five years of age or older. The median age was thirty-six years.
For every one hundred females, there were 98.8 males. For every one hundred females who were aged eighteen and older, there were 98.9 males.
The median income for a household in the township was $41,369, and the median income for a family was $43,906. Males had a median income of $35,652 compared with that of $22,262 for females.
The per capita income for the township was $16,426.
Roughly 8.9% of families and 11.4% of the population were living below the poverty line, including 18.2% of those who were under the age of eighteen and 6.3% of those who were aged sixty-five or older.