Share of the population by age and sex, five-year groups

Population of Indiana, 2010–2025 · click to pick a year
Estimates up to 2019 are built on the 2010 Census, those from 2020 on the 2020 Census. A line that steps up or down between 2019 and 2020 reflects this re-basing, not a sudden change in population.

Year

-5 -1   2025  +1 +5

6,973,333 people lived in Indiana on July 1, 2025: the 17th-largest population among the 50 states and the District of Columbia. The median age was 38.6 years (United States: 39.4); children (18.5%) and older adults (18.4%) make up similar shares of the population. There were 97.4 men for every 100 women. Since 2010 the population has grown by 7.4%. Source: U.S. Census Bureau, Population Estimates Program, Vintage 2025 estimates (resident population on July 1; public domain). Median age, shares, dependency ratios and rankings are calculated by PopulationPyramid.net from these estimates; the Census Bureau does not endorse this site.

Key indicators, 2025
Population
6,973,333
Rank by population
17th of 51
Median age
38.6
Men per 100 women
97.4
Under 15
18.5%
15–64
63.1%
65 and over
18.4%
Child dependency
29.4
Old-age dependency
29.2
Change since 2010
+7.4%
Dependency ratios count children under 15 or adults 65 and over per 100 residents aged 15 to 64.
Show the population by age group, 2025
AgeMenWomenTotalShare
0-4206,760198,246405,0065.8%
5-9222,084212,124434,2086.2%
10-14232,152220,732452,8846.5%
15-19248,495235,354483,8496.9%
20-24249,659236,805486,4647.0%
25-29229,615222,504452,1196.5%
30-34226,340223,217449,5576.4%
35-39223,357225,140448,4976.4%
40-44217,973219,760437,7336.3%
45-49205,314205,751411,0655.9%
50-54199,571202,450402,0215.8%
55-59196,932202,882399,8145.7%
60-64205,585220,096425,6816.1%
65-69192,268214,028406,2965.8%
70-74157,320181,161338,4814.9%
75-79113,657139,651253,3083.6%
80-8464,45987,687152,1462.2%
85+49,09485,110134,2041.9%
How Indiana compares with similar-sized states, 2025
RankStateResidentsRelative
14 Arizona 7,623,818
15 Tennessee 7,315,076
16 Massachusetts 7,154,084
17 Indiana 6,973,333
18 Missouri 6,270,541
19 Maryland 6,265,347
20 Colorado 6,012,561
Frequently asked questions about Indiana's population
What is the population of Indiana?
Indiana had an estimated 6,973,333 residents on July 1, 2025, according to the U.S. Census Bureau, Population Estimates Program. That ranks 17th among the 51 states and the District of Columbia.
What is the median age in Indiana?
The median age in Indiana was 38.6 years in 2025, the 39th oldest of the 51 states and DC. That is 0.8 years younger than the national median of 39.4.
How many people in Indiana are 65 or older?
About 1,284,435 residents of Indiana (18.4%) were 65 or older in 2025, against 18.5% under 15 and 63.1% aged 15 to 64.
What does the population pyramid of Indiana show?
In 2025, Indiana: children (18.5%) and older adults (18.4%) make up similar shares of the population. There were 97.4 men for every 100 women.
How fast is the population of Indiana changing?
The population of Indiana grew by 7.4% between 2010 and 2025, and by 0.6% in the last year.
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