| Official Name: | Seneca Knolls, New York |
| Settlement Type: | Census-designated place |
| Mapsize: | 260px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | New York |
| Subdivision Type2: | County |
| Subdivision Name2: | Onondaga |
| Area Footnotes: | [1] |
| Area Total Km2: | 3.28 |
| Area Land Km2: | 3.28 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 1.27 |
| Area Land Sq Mi: | 1.27 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 1992 |
| Population Density Km2: | 606.80 |
| Population Density Sq Mi: | 1572.22 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation M: | 124 |
| Elevation Ft: | 407 |
| Coordinates: | 43.1222°N -76.2839°W |
| Blank Name: | FIPS code |
| Blank Info: | 36-66366 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1852911 |
| Unit Pref: | Imperial |
Seneca Knolls is a hamlet (and census-designated place) in Onondaga County, New York, United States. The population was 2,011 at the 2010 census.
Seneca Knolls is in the eastern part of the town of Van Buren.
Seneca Knolls is located at (43.122117, -76.283878).[2]
According to the United States Census Bureau, the CDP has a total area of 1.2sqmi, all land.
The community lies mostly between Interstate 690 and New York State Route 48 and is northwest of Onondaga Lake.
As of the census[3] of 2000, there were 2,138 people, 833 households, and 593 families residing in the CDP. The population density was 1749.7sp=usNaNsp=us. There were 871 housing units at an average density of 712.8sp=usNaNsp=us. The racial makeup of the CDP was 96.21% White, 1.31% African American, 0.89% Native American, 0.19% Asian, 0.05% Pacific Islander, 0.05% from other races, and 1.31% from two or more races. Hispanic or Latino of any race were 0.56% of the population.
There were 833 households, out of which 32.4% had children under the age of 18 living with them, 54.5% were married couples living together, 11.6% had a female householder with no husband present, and 28.8% were non-families. 22.7% of all households were made up of individuals, and 8.9% had someone living alone who was 65 years of age or older. The average household size was 2.57 and the average family size was 3.00.
In the CDP, the population was spread out, with 25.6% under the age of 18, 6.3% from 18 to 24, 30.6% from 25 to 44, 23.8% from 45 to 64, and 13.7% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 91.7 males. For every 100 females age 18 and over, there were 89.3 males.
The median income for a household in the CDP was $39,028, and the median income for a family was $42,617. Males had a median income of $34,891 versus $26,848 for females. The per capita income for the CDP was $19,107. About 5.1% of families and 7.2% of the population were below the poverty line, including 3.3% of those under age 18 and 10.4% of those age 65 or over.