Spencer, ID demographics:
population, income, and more

Total population
19
-32.1% year-over-year change
Median household income
$74,219/yr
4.6% year-over-year change
Housing units
36
-18.2% year-over-year change

Spencer population

How many people live in Spencer

Spencer is home to 19 residents, according to the most recent Census data. Gender-wise, 57.9% of Spencer locals are male, and 42.1% are female.

Total population
19
-32.1% year-over-year change
Gender ratio
Male
57.9%
11
Female
42.1%
8
Value Percent YoY change
Male 11 57.9% -15.4%
Female 8 42.1% -46.7%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

Finally, around 52.6% are 65 or older.

Median age
66.3
Age breakdown
Under 15
0%
15 to 24
5.3%
25 to 44
0%
45 to 64
42.1%
Over 65
52.6%
Value Percent YoY change
15 to 24 1 5.3% -50.0%
45 to 64 8 42.1% -11.1%
Over 65 10 52.6% -33.3%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Spencer, 57.9% of the population are US-born citizens, while 42.1% have gained naturalized citizenship. There’s also a share of 5.3% that includes residents with two or more races.

Citizenship
U.S.-born citizens
57.9%
Non-U.S.-born citizens
42.1%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 11 57.9% -42.1%
Non-U.S.-born citizens 8 42.1% -11.1%
Racial breakdown
White
94.7%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
5.3%
Other
0%
Value Percent
White 18 94.7%
Two or more races 1 5.3%

Households in Spencer

A peek inside Spencer households

Spencer has 13 households, with an average of 1 members in each. Of these, 15.4% are families, while the remaining 84.6% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
13
-31.6% year-over-year change
Average people per household
1
Non-family households
11
Family households
2
Value Percent YoY change
Non-family households 11 84.6% -38.9%
Family households 2 15.4% 100.0%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Spencer

The housing landscape of Spencer

Spencer's housing consists of 36 units, with 80.6% being detached single-family homes ideal for those wanting space. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 19.4% of the housing landscape.

Housing units
36
-18.2% year-over-year change
Housing types
Value Percent
1 unit, detached 29 80.6%
Mobile home 7 19.4%
Homes built since 2020
0
% year-over-year change

The age of buildings in Spencer

In Spencer, the median construction year is 1983. About 22.2% of homes were built before the 1940s, with another 13.9% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 8 22.2% -27.3%
Built between 1940 and 1949 5 13.9% -37.5%
Built between 1950 and 1959 2 5.6% 0.0%
Built between 1970 and 1979 2 5.6% -77.8%
Built between 1980 and 1989 3 8.3% N/A
Built between 2000 and 2009 14 38.9% 16.7%
Built between 2010 and 2019 2 5.6% 0.0%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Spencer occupancy rates

Out of the 13 occupied housing units in Spencer, 92.3% are owner-occupied, while 7.7% are lived in by tenants. Meanwhile, 63.9% of all homes on the local market sit vacant.

Occupied housing units
13
-31.6% year-over-year change
Occupancy breakdown
Renter occupied
1
Owner occupied
12
Value Percent YoY
change
Renter occupied 1 7.7% -50.0%
Owner occupied 12 92.3% -29.4%
Unoccupied housing units
63.9%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Education in Spencer

Spencer education at a glance

About 26.3% of the population in Spencer went to high school, while 68.4% pursued college studies. Meanwhile, 5.3% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
High school diploma 5 26.3% -37.5%
College diploma 13 68.4% -27.8%
Graduate degree 1 5.3% -50.0%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Spencer

How much people earn in Spencer

The average annual household income in Spencer was $81,615 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +35.4% change from the previous year. At the same time, the median income stood at $74,219, reflecting a +4.6% shift over the same period.

Average household income in Spencer
$81,615/year
35.4% year-over-year change
Median household income in Spencer
$74,219/year
4.6% year-over-year change

Spencer income by age

Overall, 94.7% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Above poverty level
18
Below poverty level
1
Value Percent YoY
change
Above poverty level 18 94.7% -25.0%
Below poverty level 1 5.3% -75.0%

Employment in Spencer

Workforce and job types in Spencer

The job market in Spencer is powered by 17 working residents, spread across a range of industries and roles. 94.1% of the working population are employed in professional or administrative positions, while 5.9% are in hands-on or service-based jobs.

Workforce demographics

Working population
17
-10.5% year-over-year change
White collar
16
Blue collar
1
Value Percent YoY change
White collar 16 94.1% -11.1%
Blue collar 1 5.9% 0.0%
Employer type
Self employees
17.6%
Private companies
82.4%
Governmental workers
0%
Not for profit companies
0%
Value Percent YoY change
Self employees 3 17.6% 50.0%
Private companies 14 82.4% -17.6%

Transportation in Spencer

How people get around in Spencer

Means of transportation
Value Percent YoY change
Car 16 94.1% -5.9%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Spencer by zipcode?

Zipcode Population Number of households Median income Average income
83446 24 16 $74,688 $80,838

Explore more communities

FAQs about Spencer demographics 

What is the total population of Spencer?

Spencer has a total population of 19 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -32.1% compared to a year ago.

What is the gender ratio in Spencer?

The gender ratio in Spencer is as follows:
  • 57.9% males (11 residents)
  • 42.1% females (8 residents)

What is the median age in Spencer?

The median age in Spencer is 66.3.

What is the age distribution of the population in Spencer?

The age distribution in Spencer is as follows:
  • Under 15: 0% (0 residents)
  • Ages 15-24: 5.3% (1 residents)
  • Ages 25-44: 0% (0 residents)
  • Ages 45-64: 42.1% (8 residents)
  • Over 65: 52.6% (10 residents)

What is the racial and ethnic makeup of Spencer?

The racial and ethnic makeup of Spencer is as follows:
  • White: 94.7% (18 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 5.3% (1 residents)
  • Other: 0% (0 residents)

What percentage of the population in Spencer are U.S.-born citizens?

U.S.-born citizens represent 57.9% of the population in Spencer.

How many housing units are there in Spencer?

There are 36 housing units in Spencer, reflecting a -18.2% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Spencer and what is the average household size?

Spencer has a total of 13 households, with an average of 1 people in each.

What is the median household income in Spencer?

Spencer has a median household income of $74,219, representing a +4.6% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Spencer?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 94.1% (16 residents)
  • Blue-collar workers: 5.9% (1 residents)

Places of employment:
  • Self-employed: 17.6% (3 residents)
  • Private companies: 82.4% (14 residents)
  • Governmental workers: 0% (0 residents)
  • Not-for-profit companies: 0% (0 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025