Spencer County, IN demographics:
population, income, and more

Total population
19,955
0.4% year-over-year change
Median household income
$74,506/yr
5.1% year-over-year change
Housing units
8,727
0.5% year-over-year change

Spencer County population

How many people live in Spencer County

Spencer County is home to 19,955 residents, according to the most recent Census data. Gender-wise, 51.5% of Spencer County locals are male, and 48.5% are female.

Total population
19,955
0.4% year-over-year change
Gender ratio
Male
51.5%
10,268
Female
48.5%
9,687
Value Percent YoY change
Male 10,268 51.5% 1.1%
Female 9,687 48.5% -0.3%
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

The median age in Spencer County is 44, with the population distributed as follows: about 17.3% are children under 15, then 11.2% are in the 15 to 24 age group. Adults between 25 and 44 make up 22.8% of the population, while another 28% fall into the 45 to 64 bracket. Finally, around 20.6% are 65 or older.

Median age
44.4
Age breakdown
Under 15
17.3%
15 to 24
11.2%
25 to 44
22.8%
45 to 64
28%
Over 65
20.6%
Value Percent YoY change
Under 15 3,459 17.3% -1.7%
15 to 24 2,234 11.2% 1.9%
25 to 44 4,557 22.8% -0.1%
45 to 64 5,589 28% 0.2%
Over 65 4,116 20.6% 2.3%
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 County, 97.3% of the population are US-born citizens, while 1.5% have gained naturalized citizenship. At the same time, 1.2% of residents are non-citizens. As for race, 93.6% of locals are Caucasian, 0.6% are African American and 0.2% have Asian roots. There’s also a share of 4.1% that includes residents with two or more races.

Citizenship
U.S.-born citizens
97.3%
Non-U.S.-born citizens
1.5%
Non-citizens
1.2%
Value Percent YoY change
U.S.-born citizens 19,415 97.3% 0.6%
Non-U.S.-born citizens 297 1.5% 4.2%
Non-citizens 243 1.2% -15.6%
Racial breakdown
White
93.6%
Black or African American
0.6%
American Indian and Alaska Native
0.2%
Asian
0.2%
Native Hawaiian and other Pacific Islander
0%
Two or more races
4.1%
Other
1.3%
Value Percent
White 18,688 93.6%
Black or African American 113 0.6%
American Indian and Alaska Native 31 0.2%
Asian 49 0.2%
Two or more races 818 4.1%
Other 256 1.3%

Households in Spencer County

A peek inside Spencer County households

Spencer County has 8,078 households, with an average of 2 members in each. Of these, 68.7% are families, while the remaining 31.3% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
8,078
1.2% year-over-year change
Average people per household
2
Non-family households
2,532
Family households
5,546
Value Percent YoY change
Non-family households 2,532 31.3% -0.8%
Family households 5,546 68.7% 2.2%
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 County

The housing landscape of Spencer County

Spencer County's housing consists of 8,727 units, with 80.7% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 0.9% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 10.7% of the housing landscape.

Housing units
8,727
0.5% year-over-year change
Housing types
Value Percent
1 unit, detached 7,043 80.7%
1 unit, attached 81 0.9%
2 units 222 2.5%
3 or 4 units 202 2.3%
5 to 9 units 89 1%
10 to 19 units 59 0.7%
20 to 49 units 72 0.8%
50 or more units 20 0.2%
Mobile home 934 10.7%
Boat, RV, van, etc. 5 0.1%
Homes built since 2020
69
23.2% year-over-year change

The age of buildings in Spencer County

In Spencer County, the median construction year is 1979. About 13.1% of homes were built before the 1940s, with another 4.1% going up by 1949. Most development happened in the second half of the 20th century. Then, 10.2% of homes were added from 2000 to 2009, 7.3% between 2010 and 2019, and 0.8% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 1,146 13.1% 9.5%
Built between 1940 and 1949 357 4.1% -2.5%
Built between 1950 and 1959 977 11.2% 16.3%
Built between 1960 and 1969 787 9% -11.4%
Built between 1970 and 1979 1,242 14.2% -4.3%
Built between 1980 and 1989 1,176 13.5% 5.8%
Built between 1990 and 1999 1,449 16.6% -4.0%
Built between 2000 and 2009 889 10.2% -8.3%
Built between 2010 and 2019 635 7.3% 6.2%
Built in 2020 or later 69 0.8% 23.2%
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 County occupancy rates

Out of the 8,078 occupied housing units in Spencer County, 81.3% are owner-occupied, while 18.7% are lived in by tenants. Meanwhile, 7.4% of all homes on the local market sit vacant.

Occupied housing units
8,078
1.2% year-over-year change
Occupancy breakdown
Renter occupied
1,507
Owner occupied
6,571
Value Percent YoY
change
Renter occupied 1,507 18.7% 0.7%
Owner occupied 6,571 81.3% 1.4%
Unoccupied housing units
7.4%
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.

Spencer County housing costs

Housing costs in Spencer County come to a median of $927 per month, while tenants specifically pay a median gross rent of $751.

Median housing costs per month
$927/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Spencer County
$751/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Spencer County

Spencer County education at a glance

About 41.5% of the population in Spencer County went to high school, while 22.7% pursued college studies. Another 12.9% earned an associate degree and 13.3% hold a bachelor’s. Meanwhile, 7.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 336 2.2% 5.3%
High school diploma 6,485 41.5% -2.9%
College diploma 3,547 22.7% 5.8%
Associate degree 2,011 12.9% -2.5%
Bachelor's degree 2,082 13.3% 2.7%
Graduate degree 1,181 7.6% 6.8%
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 County

How much people earn in Spencer County

The average annual household income in Spencer County was $88,201 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +0.4% change from the previous year. At the same time, the median income stood at $74,506, reflecting a +5.1% shift over the same period.

Average household income in Spencer County
$88,201/year
0.3% year-over-year change
Median household income in Spencer County
$74,506/year
5.1% year-over-year change

Spencer County income by age

In Spencer County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $92,583. Those with someone between 45 and 64 in charge, often well established professionally, earn $93,722 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $65,114, while those led by someone over 65, many of whom may be retired, have about $49,415 in earnings. Overall, 92.5% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $65,114 37.8%
25 - 44 $92,583 1.2%
45 - 64 $93,722 -2.8%
Over 65 $49,415 5.0%
Above poverty level
17,995
Below poverty level
1,454
Value Percent YoY
change
Above poverty level 17,995 92.5% -0.5%
Below poverty level 1,454 7.5% 12.8%

Employment in Spencer County

Workforce and job types in Spencer County

The job market in Spencer County is powered by 9,828 working residents, spread across a range of industries and roles. 63.6% of the working population are employed in professional or administrative positions, while 36.4% are in hands-on or service-based jobs. Also, 9.6% run their own businesses, 69.1% are employed by private companies, and 12.6% work in the public sector.

Workforce demographics

Working population
9,828
0.6% year-over-year change
White collar
6,256
Blue collar
3,572
Value Percent YoY change
White collar 6,256 63.6% -2.2%
Blue collar 3,572 36.4% 5.7%
Employer type
Self employees
9.6%
Private companies
69.1%
Governmental workers
12.6%
Not for profit companies
8.8%
Value Percent YoY change
Self employees 942 9.6% 17.5%
Private companies 6,789 69.1% -0.5%
Governmental workers 1,233 12.6% 3.6%
Not for profit companies 864 8.8% -9.9%
Unemployment rate
3.3%
-1.7% year-over-year change

Available workforce

The unemployment rate in Spencer County stands at 3.3%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Spencer County

How people get around in Spencer County

Commuting methods vary: 93% of residents travel by personal vehicle and 1.8% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 9,040 93% 1.0%
Bus or trolleybus 5 0% 25.0%
Walk 177 1.8% 2.3%
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 County by zipcode?

Zipcode Population Number of households Median income Average income
47523 3,518 1,262 $66,548 $81,022
47531 868 382 $140,595 $133,057
47532 4,447 1,764 $84,750 $97,734
47537 702 378 $49,128 $70,144
47550 791 284 $80,625 $88,380
47552 193 55 $146,141 $151,273
47577 1,298 466 $52,208 $73,815
47579 2,883 1,101 $87,926 $106,011
47588 921 326 $57,315 $76,176

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FAQs about Spencer County demographics 

What is the total population of Spencer County?

Spencer County has a total population of 19,955 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 +0.4% compared to a year ago.

What is the gender ratio in Spencer County?

The gender ratio in Spencer County is as follows:
  • 51.5% males (10,268 residents)
  • 48.5% females (9,687 residents)

What is the median age in Spencer County?

The median age in Spencer County is 44.4.

What is the age distribution of the population in Spencer County?

The age distribution in Spencer County is as follows:
  • Under 15: 17.3% (3,459 residents)
  • Ages 15-24: 11.2% (2,234 residents)
  • Ages 25-44: 22.8% (4,557 residents)
  • Ages 45-64: 28% (5,589 residents)
  • Over 65: 20.6% (4,116 residents)

What is the racial and ethnic makeup of Spencer County?

The racial and ethnic makeup of Spencer County is as follows:
  • White: 93.6% (18,688 residents)
  • Black or African American: 0.6% (113 residents)
  • American Indian and Alaska Native: 0.2% (31 residents)
  • Asian: 0.2% (49 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 4.1% (818 residents)
  • Other: 1.3% (256 residents)

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

U.S.-born citizens represent 97.3% of the population in Spencer County.

How many housing units are there in Spencer County?

There are 8,727 housing units in Spencer County, reflecting a +0.5% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Spencer County has a total of 8,078 households, with an average of 2 people in each.

What is the median household income in Spencer County?

Spencer County has a median household income of $74,506, representing a +5.1% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Spencer County?

The employment rate is 96.7% in Spencer County, with a workforce of 9,828 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 63.6% (6,256 residents)
  • Blue-collar workers: 36.4% (3,572 residents)

Places of employment:
  • Self-employed: 9.6% (942 residents)
  • Private companies: 69.1% (6,789 residents)
  • Governmental workers: 12.6% (1,233 residents)
  • Not-for-profit companies: 8.8% (864 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