| Official Name: | Delaware Township, Northumberland County, Pennsylvania |
| Settlement Type: | Township |
| Mapsize: | 250x200px |
| Image Map1: | Map of Pennsylvania highlighting Northumberland County.svg |
| Mapsize1: | 250x200px |
| Map Caption1: | Map of Northumberland County, Pennsylvania |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Northumberland |
| Government Type: | Board of Supervisors |
| Established Title: | Settled |
| Established Date: | 1774 |
| Established Title1: | Incorporated |
| Established Date1: | 1843 |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 81.17 |
| Area Land Km2: | 78.36 |
| Area Water Km2: | 2.81 |
| Area Total Sq Mi: | 31.34 |
| Area Land Sq Mi: | 30.25 |
| Area Water Sq Mi: | 1.09 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 4303 |
| Population Density Km2: | 56.38 |
| Population Density Sq Mi: | 146.03 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Area Code: | 570 |
| Pop Est As Of: | 2022 |
| Population Est: | 4274 |
| Blank Name: | FIPS code |
| Blank Info: | 42-097-18696 |
Delaware Township is a township in Northumberland County, Pennsylvania, United States. The population at the 2020 Census was 4,303,[2] a decrease from the figure of 4,489 tabulated in 2010.
The Allenwood River Bridge, Hopper-Snyder Homestead, William Kirk House, and Warrior Run Presbyterian Church are listed on the National Register of Historic Places.
According to the United States Census Bureau, the township has a total area of 31.5sqmi, of which 30.4sqmi is land and 1sqmi (3.21%) is water.
As of the census[3] of 2000, there were 4,341 people, 1,678 households, and 1,241 families residing in the township. The population density was 142.6sp=usNaNsp=us. There were 1,765 housing units at an average density of 58sp=usNaNsp=us. The racial makeup of the township was 98.80% White, 0.28% African American, 0.18% Native American, 0.23% Asian, 0.02% Pacific Islander, 0.14% from other races, and 0.35% from two or more races. Hispanic or Latino of any race were 0.53% of the population.
There were 1,678 households, out of which 31.6% had children under the age of 18 living with them, 63.1% were married couples living together, 7.1% had a female householder with no husband present, and 26.0% were non-families. 21.5% of all households were made up of individuals, and 9.8% had someone living alone who was 65 years of age or older. The average household size was 2.58 and the average family size was 2.98.
In the township the population was spread out, with 24.5% under the age of 18, 7.0% from 18 to 24, 29.1% from 25 to 44, 25.3% from 45 to 64, and 14.2% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 96.9 males. For every 100 females age 18 and over, there were 94.7 males.
The median income for a household in the township was $39,219, and the median income for a family was $45,950. Males had a median income of $30,138 versus $21,417 for females. The per capita income for the township was $17,442. About 7.0% of families and 10.7% of the population were below the poverty line, including 12.2% of those under age 18 and 16.1% of those age 65 or over.