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CITY · 2010 ACS

Spencer

Idaho · 37 residents · 1.14 sq mi
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The short version

Spencer is a city of 37 people in Idaho. At a median age of 54.3, this is an older place than the country as a whole. 5% of adults hold a bachelor's degree, below the 28% national rate. That trails the Idaho median by roughly 59%. Median home value sits at $18,000. The poverty rate is 0.0%, under the national 13.8%.

At a glance
Lower income
median household income $18,992, below the US median
US median: $52,703
Older
median age 54.3
US median: 37.2
Less educated
5% hold a bachelor's degree
US average: 28%
More affordable
home values down 73%, inflation adjusted
US median home: $225,659
Section 01

Population & growth

37
−3%since 2000
from 38 in 2000
1990 – 2025
32 / sq mi
−3%since 2000
from 33 / sq mi in 2000
US average: 261
54.3
−2%since 2000
from 55.3 in 2000
US average: 37.2
Land area
1.14 sq mi
Population, 1990 – 2024
41323324119902000201020202024Spencer
202419
1990201020202024
Age distribution, 2010
Under 50%(0)
US avg: 6.5%
5 to 98.1%(3)
US avg: 6.6%
10 to 148.1%(3)
US avg: 6.7%
15 to 195.4%(2)
US avg: 7.1%
20 to 240%(0)
US avg: 7%
25 to 345.4%(2)
US avg: 13.3%
35 to 442.7%(1)
US avg: 13.3%
45 to 5424.3%(9)
US avg: 14.6%
55 to 6416.2%(6)
US avg: 11.8%
65 to 7421.6%(8)
US avg: 7%
75 to 845.4%(2)
US avg: 4.2%
85 and over2.7%(1)
US avg: 1.8%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$18,992
−31%inflation adjusted, since 2000
from $21,875 in 2000
US average: $52,703
1990 – 2024
$19,809
+69%since 2000
from $11,711 in 2000
US average: $27,286
Households earning $100K+
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 33.3%
0.0%
−56.8 ptssince 2000
from 56.8% in 2000
US average: 13.8%
0.186
US average: 0.461
Workforce by industry, 2010
Retail trade50%
US avg: 10.9%
Information50%
US avg: 11.5%
Agriculture, forestry, fishing0%
US avg: 1.9%
Construction0%
US avg: 1.4%
Manufacturing0%
US avg: 0.5%
Wholesale trade0%
US avg: 7.2%
Transportation & warehousing0%
US avg: 3.1%
Finance & insurance0%
US avg: 5.1%
Professional, scientific, technical0%
US avg: 4.2%
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%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

$18,000
−73%inflation adjusted, since 2000
from $53,300 in 2000
US average: $225,659
1990 – 2023
77.8%
−4.6 ptssince 2000
from 82.4% in 2000
22.2% rent
40.3%
−24.8 ptssince 2009
from 65.1% in 2009
US average: 12.1%
1.16 people
US average: 2.60
5.4%
−7.9 ptssince 2009
from 13.3% in 2009
US average: 30.9%
0.9
−5%since 2009
from 1.0 in 2009
1990 – 2023
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04

Race & ethnicity

2000
White, non-Hispanic89.5%(34)
Black0%(0)
Hispanic / Latino7.9%(3)
Asian0%(0)
Other0%
2010
White, non-Hispanic100%(37)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other0%(0)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Ancestry
English81.4%(35)
Scottish76.7%(33)
German14%(6)
French4.7%(2)
Section 05

Education

5.1%
+5.1 ptssince 2000
from 0.0% in 2000
US average: 27.9%
High school or higher
20.5%
−53.6 ptssince 2000
from 74.1% in 2000
US average: 84.9%
0.0%
Unchangedsince 2000
from 0.0% in 2000
US average: 10.2%
Section 06

Commute & transportation

0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 76.2%
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 10.4%
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 4.7%
100.0%
Unchangedsince 2009
from 100.0% in 2009
US average: 4.1%
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 2.8%
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.5%
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 8.7%
Section 07

Work & employment

0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 12.9%
50.0%
−10.0 ptssince 2009
from 60.0% in 2009
US average: 35.2%
Section 08

People & community

14.0%
−15.2 ptssince 2009
from 29.2% in 2009
86.0%
+15.2 ptssince 2009
from 70.8% in 2009
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 12.8%
5.1%
+5.1 ptssince 2009
from 0.0% in 2009
US average: 9.9%
Marital status (2024)
Men 15+
Never married0%(0)
Married9.1%(1)
Widowed0%(0)
Divorced90.9%(10)
Women 15+
Never married12.5%(1)
Married25%(2)
Widowed0%(0)
Divorced62.5%(5)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

0.0%
−17.6 ptssince 2013
from 17.6% in 2013
US average: 8.4%
42.1%
+11.3 ptssince 2020
from 30.8% in 2020
US average: 54.8%
Direct-purchase
42.1%
+34.4 ptssince 2020
from 7.7% in 2020
US average: 13.8%
52.6%
−16.6 ptssince 2020
from 69.2% in 2020
US average: 18.4%
0.0%
Unchangedsince 2020
from 0.0% in 2020
US average: 20.9%
VA health care
0.0%
Unchangedsince 2020
from 0.0% in 2020
US average: 2.2%
Any private
89.5%
+58.7 ptssince 2020
from 30.8% in 2020
US average: 67.1%
Any public
52.6%
−16.6 ptssince 2020
from 69.2% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

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Frequently asked

How many people live in Spencer, Idaho?

Spencer, Idaho has about 37 residents according to the 2010 American Community Survey.

What is the median household income in Spencer, Idaho?

The typical household in Spencer, Idaho earns about $18,992 a year. Half of households make more than that, and half make less.

Is Spencer, Idaho expensive?

In Spencer, Idaho, the median home is worth about $18,000.

How educated are people in Spencer, Idaho?

About 5.1% 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 0.0% 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 30 residents, a change of about 429 percent over that period.

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

How we source and harmonize this data →