What is the population of Seneca?

The population of Seneca, OR is 225.

Where is Seneca located?

Seneca, OR is located at latitude 44.1346000 and longitude -118.9716100. It is in United States.

What is the area of Seneca?

The area of Seneca, OR is 2.059023 km².

What is the elevation of Seneca?

Seneca, OR has an elevation of 1425 meters (4675 feet) above sea level.

What time zone is Seneca in?

Seneca, OR is in the America/Los_Angeles time zone.

What state is Seneca in?

Seneca is in the state of Oregon, United States.

What county is Seneca, OR in?

Seneca is in Grant County, Oregon.

How has the population of Seneca changed?

The population of Seneca, OR has increased from 223 (2000) to 225 (2020), a change of 0.9%.

Seneca, OR - Geographic Facts & Maps

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 56 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
Latitude & Longitude	44.1346,-118.9716
Altitude	4,692 feet / 1430, 4690 meters
Time Zone	Pacific Time Zone, UTC−07:00, UTC−08:00
Local time	18:48:29 (15th October 2026)
Density	109 Pop. per km² as of 2020
Population growth	13.07% (2010-2020)
Weather	67℉ Sunny 7-days weather

Geography

Seneca is located at 44°8'5"N 118°58'18"W (44.1346000, -118.9716100).

Seneca map

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Weather

67°F

Sunny

8 mph SE This Afternoon

Sunny. High near 67, with temperatures falling to around 63 in the afternoon. Southeast wind around 8 mph.

7-Day Forecast

Demographics

The population of Seneca increased by 13.07% in 10 years.

Year	Population	% Change	Method
2000	223	-	census
2010	199	-10.76%	census
2011	200	0.5%	estimation process
2012	197	-1.5%	estimation process
2013	195	-1.02%	estimation process
2014	194	-0.51%	estimation process
2015	209	7.73%	estimation process
2016	208	-0.48%	estimation process
2017	221	6.25%	estimation process
2018	228	3.17%	estimation process
2019	229	0.44%	estimation process
2020	225	-1.75%	estimation process

Seneca zip code is 97873. County name: Grant, County fips: 41023

Nearby Transit Stations (2)

Rail and bus stations connected to Seneca, OR. Select a station to open its map and address details.

Code	Name	Address	Type
BNS	Burns, Oregon	63 N. Buena Vista	BUS
BAK	Baker City, Oregon	515 Campbell Street	BUS

Nearby Post Offices

Closest post offices linked to Seneca.

Post Office Name	City	ZIP
Seneca Post Office	Seneca (OR)	97873

Other places with the same name (4)

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, Wisconsin town in Crawford County, Wisconsin, United States. with a population of 1,051 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

Seneca, Oregon