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CITY · 2010 ACS

Seneca

South Dakota · 38 residents · 0.419 sq mi
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The short version

Seneca is wealthier than most US places, with a median household income of $61,964. Population has fallen 34% since 2000, a loss of 20 residents. 14% of adults hold a bachelor's degree or higher, below the national rate of 28%. Median home value has roughly tripled since 2000, reaching $61,700. With a median age of 48.0, the population is older than the US median of 37.2. Households here earn about 34% more than the South Dakota median.

At a glance
Wealthier
above the US median
US median: $52,703
Older
median age 48.0
US median: 37.2
Less educated
14% hold a bachelor's degree
US average: 28%
Less affordable
home values up 166%, inflation adjusted
US median home: $225,659
Section 01

Population & growth

Total population
38
−34%since 2000
from 58 in 2000
1990 – 2025
Population density
91 / sq mi
−34%since 2000
from 138 / sq mi in 2000
US average: 261
Median age
48.0
−4%since 2000
from 50.0 in 2000
US average: 37.2
Population, 1990 – 2024
2244668901990201020202024Seneca
202422
1990201020202024
Section 02

Income & economy

Median household income
$61,964
+161%inflation adjusted, since 2000
from $18,750 in 2000
US average: $52,703
1990 – 2023
Per capita income
$24,561
+131%since 2000
from $10,642 in 2000
US average: $27,286
Households earning $100K+
28.6%
−1.9 ptssince 2009
from 30.4% in 2009
US average: 33.3%
Poverty rate
0.0%
−20.0 ptssince 2000
from 20.0% in 2000
US average: 13.8%
Income inequality (Gini)
0.223
US average: 0.461
Workforce by industry, 2010
Agriculture, forestry, fishing20%
US avg: 1.9%
Construction20%
US avg: 1.4%
Information17.1%
US avg: 11.5%
Finance & insurance8.6%
US avg: 5.1%
Professional, scientific, technical8.6%
US avg: 4.2%
Wholesale trade5.7%
US avg: 7.2%
Manufacturing0%
US avg: 0.5%
Retail trade0%
US avg: 10.9%
Transportation & warehousing0%
US avg: 3.1%
Education & health services0%
US avg: 0.9%
Arts, entertainment, food0%
US avg: 2.4%
Other services0%
US avg: 7%
Public administration0%
US avg: 4.9%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$61,700
+166%inflation adjusted, since 2000
from $18,300 in 2000
US average: $225,659
1990 – 2023
Owner-occupied
43.8%
−52.7 ptssince 2000
from 96.4% in 2000
6.3% rent
Vacancy rate
22.2%
+1.5 ptssince 2009
from 20.7% in 2009
US average: 12.1%
Owner cost-burdened
14.3%
−3.1 ptssince 2009
from 17.4% in 2009
US average: 30.9%
Afford Score
1.0
+2%since 2000
from 1.0 in 2000
1990 – 2023
RELATED:See current rent listings in Seneca on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic98.3%(57)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other0%
Diversity Score0%(0)
2010
White, non-Hispanic84.2%(32)
Black0%(0)
Hispanic / Latino13.2%(5)
Asian2.6%(1)
Other0%(0)
Diversity Score34.1%(13)
Diversity Score
34
from 0 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
13.9%
−1.3 ptssince 2000
from 15.2% in 2000
US average: 27.9%
High school or higher
83.3%
+13.8 ptssince 2000
from 69.6% in 2000
US average: 84.9%
Graduate degree
0.0%
−4.3 ptssince 2000
from 4.3% in 2000
US average: 10.2%
Section 06

Commute & transportation

Average commute
21.5 min
+69%since 2000
from 12.7 min in 2000
US average: 25.2
Drive alone to work
65.6%
−23.7 ptssince 2009
from 89.3% in 2009
US average: 76.2%
Carpooled to work
9.4%
+5.8 ptssince 2009
from 3.6% in 2009
US average: 10.4%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 4.7%
Worked from home
25.0%
+17.9 ptssince 2009
from 7.1% in 2009
US average: 4.1%
Walked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 2.8%
Biked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.5%
No vehicle available
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 8.7%
Section 07

Work & employment

Self-employed
8.6%
+5.3 ptssince 2009
from 3.2% in 2009
US average: 12.9%
Management & professional
11.4%
−37.0 ptssince 2009
from 48.4% in 2009
US average: 35.2%
Section 08

People & community

Male
40.7%
−9.3 ptssince 2009
from 50.0% in 2009
Female
59.3%
+9.3 ptssince 2009
from 50.0% in 2009
Foreign born
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 12.8%
Veterans
2.2%
−47.8 ptssince 2009
from 50.0% in 2009
US average: 9.9%
Drill deeper

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Compare Seneca to nearby cities

SENECA VS
Aberdeen
Income$64,405+4%
Home value$217,300+252%
Population27,961+116404%
SEE FULL COMPARISON →
SENECA VS
Pierre
Income$77,672+25%
Home value$230,700+274%
Population13,848+57600%
SEE FULL COMPARISON →
SENECA VS
Huron
Income$61,452−1%
Home value$159,000+158%
Population14,607+60763%
SEE FULL COMPARISON →
SENECA VS
Mitchell
Income$58,620−5%
Home value$192,200+212%
Population15,756+65550%
SEE FULL COMPARISON →
Frequently asked

How many people live in Seneca, South Dakota?

Seneca, South Dakota has about 38 residents according to the 2010 American Community Survey.

What is the median household income in Seneca, South Dakota?

The typical household in Seneca, South Dakota earns about $61,964 a year. Half of households make more than that, and half make less.

Is Seneca, South Dakota expensive?

In Seneca, South Dakota, the median home is worth about $61,700.

How educated are people in Seneca, South Dakota?

About 13.9% of adults age 25 and over in Seneca, South Dakota hold a bachelor's degree or higher.

What is the poverty rate in Seneca, South Dakota?

About 0.0% of people in Seneca, South Dakota live below the federal poverty line.

Has Seneca, South Dakota grown since 1990?

Yes, Seneca, South Dakota has shrunk since 1990. The population has lost about 43 residents, a change of about -53 percent over that period.

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

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