Seneca

Seneca is situated on the Silvies River, Seneca is in Bear Valley at the northern edge of the Great Basin. People often visit Seneca to play golf at the Bear Valley Meadows Golf Course, built by the city and community in 1996. This pasture course offers annual memberships and an honor box for paying green fees. 

Seneca experiences the coolest weather in Grant County, Oregon and has the distinction of the coldest official temperature recorded in the Oregon: 54 degrees below zero. The main industries in Seneca are ranching and timber production.

Historically, Seneca began growing in the 1920’s as a company town for the Edward Hines Lumber Company, boasting a sawmill and the northern terminus of a (now-vacated) railroad track which extended south to Burns, Oregon.

For more information, visit https://www.senecaoregon.com/

Population

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Population

Population 2000 2010 2025 2030
Seneca 219 199 155 150

Source: ESRI, 2025-09-30

Population by Age

Population 2025
0-4 7
5-9 8
10-14 5
15-19 8
20-24 7
25-29 11
30-34 7
35-39 5
40-44 10
45-49 6
50-54 12
55-59 7
60-64 9
65-69 11
70-74 14
75-79 16
80-84 6
85+ 6
18+ 130
Median Age 52

Source: ESRI, 2025-09-30

Population by Race

Seneca 2025
Total 155.00
White Alone 89.68%
Black Alone 0%
American Indian Alone 0.65%
Asian Alone 0%
Pacific Islander Alone 0%
Some Other Race 0.65%
Two or More Races 9.03%
Hispanic Origin 3.23%
Diversity Index 23.80

Source: ESRI, 2025-09-30

Growth Rate

Seneca 2025 - 2030
Population -0.65%
Households 0.00%
Families 1.39%
Median Household Income 2%
Per Capita Income 2%

Source: ESRI, 2025-09-30

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Housing

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Households

Population 2000 2010 2025 2030
Households 94 95 73 73
Housing Units 114 128 120 120
Owner Occupied Units 55 54
Renter Occupied Units 18 19
Vacant Units 47 47

Source: ESRI, 2025-09-30

Home Value

Seneca 2025 2030
Median Home Value $331,250 $337,500
Average Home Value $397,864 $469,259
<$50,000 4 0
$50,000 - $99,999 5 5
$100,000 - $149,999 4 4
$150,000 - $199,999 4 8
$200,000 - $249,999 5 2
$250,000 - $299,999 3 5
$300,000 - $399,999 8 8
$400,000 - $499,999 8 9
$500,000 - $749,999 10 6
$1,000,000 + 2 4

Source: ESRI, 2025-09-30

Housing Year Built

Year Range Houses Built
2010 or Later 0
2000-2009 2
1990-1999 3
1980-1989 0
1970-1979 1
1960-1969 3
1950-1959 12
1940-1949 22
1939 or Before 50

Source: ESRI, 2025-09-30

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Income

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Income

Seneca 2025 2030
Median Household $79,467 $86,806
Average Household $82,136 $88,820
Per Capita $38,683 $43,226

Source: ESRI, 2025-09-30

Household Income

Seneca 2025
<$15,000 8
$15,000 - $24,999 6
$25,000 - $34,999 5
$35,000 - $49,999 6
$50,000 - $74,999 7
$75,000 - $99,999 18
$100,000 - $149,999 20
$150,000 - $199,999 2
$200,000+ 1

Source: ESRI, 2025-09-30

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Employees

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Commute

Category Commuters
Workers 16+ 69
In-County Residents 65
Out-of-County Residents 4
Drive Alone 59
Carpooled 0
Public Transport 0
Work at Home 0
Motorcycle 0
Bicycle 0
Walked 10
Other 0
Less than 5 minutes 19
5-9 minutes 5
10-14 minutes 5
15-19 minutes 7
20-24 minutes 0
25-29 minutes 0
30-34 minutes 21
35-39 minutes 9
40-44 minutes 0
45-59 minutes 3
60-89 minutes 0
90+ minutes 0
Average Travel Time 0

Source: ESRI, 2025-09-30

Source: ESRI, 2025-09-30

Employees by NAICS

Category Number
Total Employees 73
Agr/Forestry/Fish/Hunt 3
Mining 0
Utilities 0
Construction 1
Manufacturing 0
Wholesale Trade 0
   
Retail Trade 2
   
Transportation/Warehouse 1
Information 0
   
Finance & Insurance 0
   
Real Estate/Rent/Leasing 0
Prof/Scientific/Tech Srv 0
Legal Services 0
Mgmt of Comp/Enterprises 0
Admin/Support/Waste Mgmt 0
Educational Services 8
HealthCare/Social Assist 0
Arts/Entertainment/Rec 6
   
Accommodation/Food Srvcs 8
   
Other Srv excl Pub Admin 0
Auto Repair/Maintenance 0
Public Administration Emp 44

Source: ESRI, 2025-09-30

Educational Attainment (25+)

Seneca 2025
<9th Grade 2
Some High School 9
GED 5
Graduated High School 30
Some College/No Degree 56
Associates Degree 5
Bachelor's Degree 10
Graduate Degree 3

Source: ESRI, 2025-09-30

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Businesses

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Businesses by NAICS

Category Number
Total Businesses 10
Agr/Forestry/Fish/Hunt Bus 1
Mining Bus 0
Utilities Bus 0
Construction Bus 1
Manufacturing Bus 0
Wholesale Trade Bus 0
   
Retail Trade Bus 1
   
Transportation/Warehouse Bus 1
Information Bus 0
   
Finance & Insurance Bus 0
   
Real Estate/Rent/Leasing Bus 0
Prof/Scientific/Tech Srv Bus 0
Legal Services Bus 0
Mgmt of Comp/Enterprises Bus 0
Admin/Support/Waste Mgmt Bus 0
Educational Services Bus 1
HealthCare/Social Assist Bus 0
Arts/Entertainment/Rec Bus 1
   
Accommodation/Food Srvcs Bus 1
   
Other Srv excl Pub Admin Bus 0
Auto Repair/Maintenance Bus 0
Public Administration Bus 3

Source: ESRI, 2025-09-30

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