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CITY

Spencer

Idaho · 29 residents (2025 est.) · 1.142 sq mi
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The short version

Spencer has roughly average household income, with a median household income of $74,219. Population has fallen 50% since 2000, a loss of 19 residents. 0% of adults hold a bachelor's degree or higher, below the national rate of 36%. With a median age of 66.3, the population is older than the US median of 38.9. Poverty is rare here, at 5.3% of residents.

At a glance
Lower income
below the US median
US median: $82,259
Older
median age 66.3
US median: 38.9
Less educated
0% hold a bachelor's degree
US average: 36%
Owner-heavy
92% owner-occupied
US average: 65%
Section 01

Population & growth

Total population
19
−50%since 2000
from 38 in 2000
1990 – 2025
Population density
17 / sq mi
−50%since 2000
from 33 / sq mi in 2000
US average: 281
Median age
66.3
+20%since 2000
from 55.3 in 2000
US average: 38.9

PEP 2025 EST:29 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
4132332411990201020202024Spencer
202419
1990201020202024
Section 02

Income & economy

Median household income
$74,219
+86%inflation adjusted, since 2000
from $21,875 in 2000
US average: $82,259
1990 – 2024
Per capita income
$60,253
+414%since 2000
from $11,711 in 2000
US average: $44,673
Households earning $100K+
30.8%
+30.8 ptssince 2009
from 0.0% in 2009
US average: 53.3%
Poverty rate
5.3%
−51.5 ptssince 2000
from 56.8% in 2000
US average: 12.5%
Income inequality (Gini)
0.167
−10%since 2010
from 0.186 in 2010
US average: 0.476
Workforce by industry, 2024
Arts, entertainment, food29.4%
US avg: 1.9%
Transportation & warehousing5.9%
US avg: 2.2%
Agriculture, forestry, fishing0%
US avg: 1.6%
Construction0%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
Wholesale trade0%
US avg: 6.9%
Retail trade0%
US avg: 9.9%
Information0%
US avg: 10.8%
Finance & insurance0%
US avg: 5.9%
Professional, scientific, technical0%
US avg: 5.1%
Education & health services0%
US avg: 0.9%
Other services0%
US avg: 6.7%
Public administration0%
US avg: 4.8%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Owner-occupied
92.3%
+10.0 ptssince 2000
from 82.4% in 2000
7.7% rent
Vacancy rate
63.9%
−1.2 ptssince 2009
from 65.1% in 2009
US average: 10.0%
Owner cost-burdened
0.0%
−13.3 ptssince 2009
from 13.3% in 2009
US average: 22.9%
Renter cost-burdened
100.0%
Unchangedsince 2021
from 100.0% in 2021
US average: 47.4%
RELATED:See current rent listings in Spencer on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic89.5%(34)
Black0%(0)
Hispanic / Latino7.9%(3)
Asian0%(0)
Other0%
Diversity Score18.6%(7)
2024
White, non-Hispanic52.6%(10)
Black0%(0)
Hispanic / Latino42.1%(8)
Asian0%(0)
Other5.3%(1)
Diversity Score67.9%(13)
Diversity Score
68
+264%since 2000
from 19 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
0.0%
Unchangedsince 2000
from 0.0% in 2000
US average: 35.6%
High school or higher
94.4%
+20.4 ptssince 2000
from 74.1% in 2000
US average: 89.6%
Graduate degree
0.0%
Unchangedsince 2000
from 0.0% in 2000
US average: 14.0%
Section 06

Commute & transportation

Drive alone to work
29.4%
+29.4 ptssince 2009
from 0.0% in 2009
US average: 68.9%
Carpooled to work
64.7%
+64.7 ptssince 2009
from 0.0% in 2009
US average: 8.5%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 3.2%
Worked from home
5.9%
−94.1 ptssince 2009
from 100.0% in 2009
US average: 15.0%
Walked to work
0.0%
Unchangedsince 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%
Unchangedsince 2012
from 0.0% in 2012
US average: 5.2%
Labor force participation
89.5%
+89.5 ptssince 2011
from 0.0% in 2011
US average: 63.5%
Self-employed
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 13.1%
Management & professional
5.9%
−94.1 ptssince 2009
from 100.0% in 2009
US average: 42.5%
Section 08

People & community

Male
57.9%
+28.7 ptssince 2009
from 29.2% in 2009
Female
42.1%
−28.7 ptssince 2009
from 70.8% in 2009
Foreign born
42.1%
+42.1 ptssince 2009
from 0.0% in 2009
US average: 14.1%
Veterans
0.0%
−26.3 ptssince 2009
from 26.3% in 2009
US average: 6.2%
With a disability
0.0%
−23.1 ptssince 2012
from 23.1% in 2012
US average: 13.3%
Uninsured
0.0%
−82.4 ptssince 2013
from 82.4% in 2013
US average: 8.4%
Broadband at home
38.5%
−61.5 ptssince 2017
from 100.0% in 2017
US average: 91.0%
English only at home
57.9%
−42.1 ptssince 2016
from 100.0% in 2016
US average: 77.7%
Spanish at home
42.1%
+42.1 ptssince 2016
from 0.0% in 2016
US average: 13.6%
Drill deeper

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Compare Spencer to nearby cities

SPENCER VS
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SPENCER VS
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SPENCER VS
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SPENCER VS
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Frequently asked

How many people live in Spencer, Idaho?

Spencer, Idaho has about 19 residents according to the 2024 American Community Survey.

What is the median household income in Spencer, Idaho?

The typical household in Spencer, Idaho earns about $74,219 a year. Half of households make more than that, and half make less.

How educated are people in Spencer, Idaho?

About 0.0% of adults age 25 and over in Spencer, Idaho hold a bachelor's degree or higher.

What is the poverty rate in Spencer, Idaho?

About 5.3% of people in Spencer, Idaho live below the federal poverty line.

Has Spencer, Idaho grown since 1990?

Yes, Spencer, Idaho has grown since 1990. The population has added about 12 residents, a change of about 171 percent over that period.

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

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