Seneca, Oregon
Seneca: City in Oregon, USA
About
Seneca is a city located in the county of Grant in the U.S. state of Oregon. Its population at the 2010 census was 199 and a population density of 97 people per km². After 10 years in 2020 city had an estimated population of 225 inhabitants.
The city was created 55 years ago in 1969.
Quick Facts about Seneca
| Population : | 225 (2020) |
| Country : | United States of America |
| State : | Oregon (United States) |
| County : | Grant County |
| Postal code : | 97873 |
| Phone Area Codes : | 541 |
| Area : | 2.06 km2 |
| Altitude : | 4,692 feet / 1430, 4690 meters |
| Establishment : | January 01, 1970 (55 years ago) |
| Time Zone : | Pacific Time Zone, UTC−07:00, UTC−08:00 |
| Local time : | 00:13:17 (5th December 2025) |
| Density : | 109 Pop. per km² as of 2020 |
| Population growth : | 11.56% (2010-2020) |
Geography
Seneca is located at 44°8'5"N 118°58'18"W (44.1346000, -118.9716100).
Seneca map
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Demographics
The population of Seneca increased by 11.56% in 10 years.
| Year | Population | % Change | Method |
| 2000 | 223 | - | census |
| 2010 | 199 | -12.06% | census |
| 2011 | 200 | 0.5% | estimation process |
| 2012 | 197 | -1.52% | estimation process |
| 2013 | 195 | -1.03% | estimation process |
| 2014 | 194 | -0.52% | estimation process |
| 2015 | 209 | 7.18% | estimation process |
| 2016 | 208 | -0.48% | estimation process |
| 2017 | 221 | 5.88% | estimation process |
| 2018 | 228 | 3.07% | estimation process |
| 2019 | 229 | 0.44% | estimation process |
| 2020 | 225 | -1.78% | estimation process |
Seneca zip code is 97873.
County name: Grant, County
fips: 41023
Stations (2)
Amtrak & bus stations near Seneca, OR
| Code | Name | Address | Type |
|---|---|---|---|
| BNS | Burns, Oregon | 63 N. Buena Vista | BUS |
| BAK | Baker City, Oregon | 515 Campbell Street | BUS |
Other places with the same name (8)
- Seneca , South Carolina city in South Carolina with a population of 8,564 people.
- Seneca , Missouri city in Missouri with a population of 2,394 people.
- Seneca , Illinois village in Illinois with a population of 2,179 people.
- Seneca , Kansas city in Kansas with a population of 2,079 people.
- Seneca , Michigan township in Lenawee County, Michigan with a population of 1,181 people.
- Seneca , Wisconsin town in Crawford County, Wisconsin, United States with a population of 1,051 people.
- Seneca , South Dakota town in South Dakota, United States of America with a population of 37 people.
Other cities in Grant County
Cities, towns, neighborhoods & other populated places in Grant County , OR.
| City Name | Population | Title |
|---|---|---|
| John Day | 1,669 | City in Oregon, USA |
| Prairie City | 876 | City in Oregon, USA |
| Canyon City | 659 | City in Oregon, USA |
| Mount Vernon | 511 | City in Oregon, USA |
| Long Creek | 191 | City in Oregon, USA |
| Dayville | 144 | City in Oregon, USA |
| Monument | 122 | City in Oregon, USA |
| Granite | 36 | City in Oregon, USA |
