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CITY

Seneca

Oregon · 160 residents (2025 est.) · 0.795 sq mi
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The short version

Seneca has notably lower household income than the US average, with a median household income of $39,821. Population has fallen 51% since 2000, a loss of 114 residents. 19% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than tripled since 2000, reaching $156,300. With a median age of 67.8, the population is older than the US median of 38.9. Households here earn about 52% less than the Oregon median.

At a glance
Lower income
below the US median
US median: $82,259
Older
median age 67.8
US median: 38.9
Less educated
19% hold a bachelor's degree
US average: 36%
Less affordable
home values up 116%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
109
−51%since 2000
from 223 in 2000
1990 – 2025
Population density
137 / sq mi
−51%since 2000
from 281 / sq mi in 2000
US average: 281
Median age
67.8
+67%since 2000
from 40.6 in 2000
US average: 38.9

PEP 2025 EST:160 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
941401862312771990201020202024Seneca
2024109
1990201020202024
Section 02

Income & economy

Median household income
$39,821
−20%inflation adjusted, since 2000
from $27,333 in 2000
US average: $82,259
1990 – 2024
Per capita income
$30,394
+141%since 2000
from $12,636 in 2000
US average: $44,673
Households earning $100K+
31.0%
+19.0 ptssince 2009
from 12.0% in 2009
US average: 53.3%
Poverty rate
22.0%
+2.2 ptssince 2000
from 19.8% in 2000
US average: 12.5%
Income inequality (Gini)
0.460
+35%since 2010
from 0.340 in 2010
US average: 0.476
Workforce by industry, 2024
Agriculture, forestry, fishing40.4%
US avg: 1.6%
Construction40.4%
US avg: 1.2%
Other services19.1%
US avg: 6.7%
Wholesale trade14.9%
US avg: 6.9%
Information4.3%
US avg: 10.8%
Manufacturing0%
US avg: 0.4%
Retail trade0%
US avg: 9.9%
Transportation & warehousing0%
US avg: 2.2%
Finance & insurance0%
US avg: 5.9%
Professional, scientific, technical0%
US avg: 5.1%
Education & health services0%
US avg: 0.9%
Arts, entertainment, food0%
US avg: 1.9%
Public administration0%
US avg: 4.8%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$156,300
+116%inflation adjusted, since 2000
from $39,800 in 2000
US average: $376,019
1990 – 2024
Owner-occupied
85.9%
+0.7 ptssince 2000
from 85.3% in 2000
14.1% rent
Vacancy rate
32.4%
+9.3 ptssince 2009
from 23.1% in 2009
US average: 10.0%
Owner cost-burdened
16.4%
+11.1 ptssince 2009
from 5.3% in 2009
US average: 22.9%
Renter cost-burdened
50.0%
+50.0 ptssince 2009
from 0.0% in 2009
US average: 47.4%
Afford Score
3.9
+170%since 2000
from 1.5 in 2000
1990 – 2024
Gentrification Score
67
RELATED:See current rent listings in Seneca on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic98.2%(219)
Black0%(0)
Hispanic / Latino0.9%(2)
Asian0.4%(1)
Other0%
Diversity Score3.3%(7)
2024
White, non-Hispanic64.2%(70)
Black0%(0)
Hispanic / Latino9.2%(10)
Asian0%(0)
Other26.6%(29)
Diversity Score63.5%(69)
Diversity Score
64
+1801%since 2000
from 3 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
19.2%
+12.1 ptssince 2000
from 7.1% in 2000
US average: 35.6%
High school or higher
73.7%
+1.6 ptssince 2000
from 72.1% in 2000
US average: 89.6%
Graduate degree
4.0%
+4.0 ptssince 2000
from 0.0% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
17.2 min
−43%since 2000
from 30.4 min in 2000
US average: 26.5
Drive alone to work
80.9%
−8.2 ptssince 2009
from 89.0% in 2009
US average: 68.9%
Carpooled to work
0.0%
−7.3 ptssince 2009
from 7.3% in 2009
US average: 8.5%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 3.2%
Worked from home
0.0%
−3.7 ptssince 2009
from 3.7% in 2009
US average: 15.0%
Walked to work
19.1%
+19.1 ptssince 2009
from 0.0% in 2009
US average: 2.4%
Biked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.4%
No vehicle available
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
0.0%
−25.6 ptssince 2011
from 25.6% in 2011
US average: 5.2%
Labor force participation
47.5%
−5.9 ptssince 2011
from 53.4% in 2011
US average: 63.5%
Self-employed
4.3%
−16.5 ptssince 2009
from 20.7% in 2009
US average: 13.1%
Management & professional
23.4%
−32.7 ptssince 2009
from 56.1% in 2009
US average: 42.5%
Section 08

People & community

Male
45.0%
−5.5 ptssince 2009
from 50.5% in 2009
Female
55.0%
+5.5 ptssince 2009
from 49.5% in 2009
Foreign born
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 14.1%
Veterans
6.1%
−44.2 ptssince 2009
from 50.3% in 2009
US average: 6.2%
With a disability
15.6%
−11.6 ptssince 2012
from 27.2% in 2012
US average: 13.3%
Uninsured
6.4%
−82.9 ptssince 2013
from 89.3% in 2013
US average: 8.4%
Broadband at home
84.5%
+20.9 ptssince 2017
from 63.6% in 2017
US average: 91.0%
English only at home
100.0%
+1.1 ptssince 2016
from 98.9% in 2016
US average: 77.7%
Spanish at home
0.0%
−1.1 ptssince 2016
from 1.1% in 2016
US average: 13.6%
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Compare Seneca to nearby cities

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SENECA VS
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SENECA VS
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Frequently asked

How many people live in Seneca, Oregon?

Seneca, Oregon has about 109 residents according to the 2024 American Community Survey.

What is the median household income in Seneca, Oregon?

The typical household in Seneca, Oregon earns about $39,821 a year. Half of households make more than that, and half make less.

Is Seneca, Oregon expensive?

In Seneca, Oregon, the median home is worth about $156,300.

How educated are people in Seneca, Oregon?

About 19.2% of adults age 25 and over in Seneca, Oregon hold a bachelor's degree or higher.

What is the poverty rate in Seneca, Oregon?

About 22.0% of people in Seneca, Oregon live below the federal poverty line.

Has Seneca, Oregon grown since 1990?

Yes, Seneca, Oregon has shrunk since 1990. The population has lost about 109 residents, a change of about -50 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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