| Seneca | |
| Settlement Type: | CDP |
| Pushpin Map: | Pennsylvania#USA |
| Pushpin Map Caption: | Location within the U.S. state of Pennsylvania |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Venango |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 5.82 |
| Area Land Km2: | 5.82 |
| Area Water Km2: | 0.00 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 1011 |
| Population Density Km2: | 173.66 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 41.3778°N -79.7033°W |
| Postal Code Type: | ZIP codes |
| Postal Code: | 16346 |
| Area Code: | 814 |
| Blank Name: | FIPS code |
| Blank Info: | 42-69272 |
| Blank1 Name: | GNIS feature ID |
| Area Total Sq Mi: | 2.25 |
| Area Land Sq Mi: | 2.25 |
| Area Water Sq Mi: | 0.00 |
| Population Density Sq Mi: | 449.73 |
Seneca is a census-designated place (CDP) in Venango County, Pennsylvania, United States. As of the 2000 census, the CDP population was 966.
Seneca is located at 41.3778°N -79.7033°W (41.377828, -79.703224).[3]
According to the United States Census Bureau, the CDP has a total area of 2.2sqmi, all of it land.
At the 2000 census,[4] there were 966 people, 421 households and 300 families residing in the CDP. The population density was 430.8sp=usNaNsp=us. There were 432 housing units at an average density of 192.6sp=usNaNsp=us. The racial makeup of the CDP was 99.17% White, 0.31% African American, 0.31% Asian, 0.10% from other races, and 0.10% from two or more races. Hispanic or Latino of any race were 0.10% of the population.
There were 421 households, of which 24.0% had children under the age of 18 living with them, 62.9% were married couples living together, 5.0% had a female householder with no husband present, and 28.7% were non-families. 25.7% of all households were made up of individuals, and 13.5% had someone living alone who was 65 years of age or older. The average household size was 2.29 and the average family size was 2.76.
Age distribution was 19.4% under the age of 18, 6.2% from 18 to 24, 23.3% from 25 to 44, 27.7% from 45 to 64, and 23.4% who were 65 years of age or older. The median age was 46 years. For every 100 females, there were 94.4 males. For every 100 females age 18 and over, there were 94.8 males.
The median household income $35,250, and the median family income was $47,083. Males had a median income of $32,750 versus $20,217 for females. The per capita income for the CDP was $18,726. About 3.2% of families and 6.0% of the population were below the poverty line, including 16.8% of those under age 18 and 2.8% of those age 65 or over.