| Official Name: | Washington Township, York County, Pennsylvania |
| Settlement Type: | Township |
| Mapsize: | 260px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | York |
| Government Type: | Board of Supervisors |
| Established Title: | Settled |
| Established Date: | 1738 |
| Established Title1: | Incorporated |
| Established Date1: | 1803 |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 72.67 |
| Area Land Km2: | 72.63 |
| Area Water Km2: | 0.03 |
| Area Total Sq Mi: | 28.06 |
| Area Land Sq Mi: | 28.04 |
| Area Water Sq Mi: | 0.01 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 2576 |
| Population Density Km2: | 36.83 |
| Population Density Sq Mi: | 95.39 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Area Code: | 717 |
| Pop Est As Of: | 2021 |
| Population Est: | 2577 |
| Blank Name: | FIPS code |
| Blank Info: | 42-133-81352 |
Washington Township is a township in York County, Pennsylvania, United States. The population was 2,576 at the 2020 census.[2] Kralltown is one of the township's unincorporated communities.
The Bridge in Washington Township and Henry and Elizabeth Berkheimer Farm are listed on the National Register of Historic Places.
According to the United States Census Bureau, the township has a total area of, of which 0.04% is water.
As of the census[3] of 2000, there were 2,460 people, 890 households, and 696 families residing in the township. The population density was 88.3sp=usNaNsp=us. There were 941 housing units at an average density of 33.8sp=usNaNsp=us. The racial makeup of the township was 98.50% White, 0.33% African American, 0.04% Native American, 0.12% Asian, 0.20% from other races, and 0.81% from two or more races. Hispanic or Latino of any race were 0.37% of the population.
There were 890 households, out of which 34.4% had children under the age of 18 living with them, 69.6% were married couples living together, 5.2% had a female householder with no husband present, and 21.7% were non-families. 16.3% of all households were made up of individuals, and 6.5% had someone living alone who was 65 years of age or older. The average household size was 2.76 and the average family size was 3.09.
In the township the population was spread out, with 26.9% under the age of 18, 6.1% from 18 to 24, 31.1% from 25 to 44, 25.7% from 45 to 64, and 10.2% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 102.8 males. For every 100 females age 18 and over, there were 102.7 males.
The median income for a household in the township was $52,278, and the median income for a family was $57,196. Males had a median income of $36,901 versus $26,122 for females. The per capita income for the township was $20,550. About 2.8% of families and 5.1% of the population were below the poverty line, including 2.2% of those under age 18 and 17.4% of those age 65 or over.