Pulaski Township is a township in Lawrence County, Pennsylvania, United States. The population was 3,452 at the 2010 census.

In the township the population was spread out, with 25.6% under the age of 18, 7.7% from 18 to 24, 26.6% from 25 to 44, 23.2% from 45 to 64, and 16.9% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 92.5 males. For every 100 females age 18 and over, there were 90.4 males.

The median income for a household in the township was $34,181, and the median income for a family was $39,698. Males had a median income of $32,013 versus $19,556 for females. The per capita income for the township was $15,397. About 10.8% of families and 15.0% of the population were below the poverty line, including 17.9% of those under the age of 18 and 22.2% of those 65 and older.