Demographics of Cass County, Indiana

Cass County, Indiana had 37,836 people on July 1, 2025, by the Census Bureau’s estimate: +42 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Cass County, in four figures

37,836
Population: July 1, 2025, Vintage 2025 estimate.; +0.1%
Change since July 2020: +42 people.; 41.8 ±0.8
Median age: ACS 2020–⁠2024.; $56,403 ±$2,746
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Cass County, Indiana's population grew 0.1% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Cass County, Indiana's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Cass County, Indiana's population grew 0.1% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Cass County, Indiana's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	37,794	100.0	100.0
2021	37,572	99.4	100.2
2022	37,750	99.9	100.7
2023	38,024	100.6	101.6
2024	37,929	100.4	102.5
2025	37,836	100.1	103.1

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Population of Cass County, Indiana on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	37,794	−75	−21	+2	−56
2021	37,572	−222	−78	+43	−196
2022	37,750	+178	+29	+237	−75
2023	38,024	+274	+35	+251	−4
2024	37,929	−95	+70	+245	−411
2025	37,836	−93	+72	+64	−229

Age, 2020–2024

The median age is 41.8 ±0.8: for men 41.8 ±0.9 and for women 41.7 ±1.3. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Cass County by age, ACS 2020–2024
Age	People	Share	Indiana	United States
Under 5	2,125 ±65	5.6% ±0.2	6.0% ±<0.1	5.6% ±<0.1
5 to 17	6,558 ±441	17.4% ±1.2	17.3% ±0.1	16.3% ±<0.1
18 to 24	2,966 ±339	7.9% ±0.9	9.6% ±0.1	9.1% ±<0.1
25 to 44	8,720 ±441	23.1% ±1.2	25.8% ±0.1	26.9% ±<0.1
45 to 64	10,226 ±495	27.1% ±1.3	24.5% ±0.1	24.8% ±<0.1
65 and over	7,085 ±463	18.8% ±1.2	16.8% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $56,403 ±$2,746, and income per person $29,807 ±$1,182, in 2024 dollars. The median is $71,957 ±$352 in Indiana and $80,734 ±$166 in the United States.

Households by income

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Households in Cass County by income, ACS 2020–2024
Household income	Households	Share	Indiana	United States
Under $25,000	2,549 ±367	17.0% ±2.4	15.0% ±0.2	14.6% ±<0.1
$25,000 to $49,999	3,911 ±476	26.0% ±3.1	19.4% ±0.2	16.7% ±<0.1
$50,000 to $74,999	2,908 ±400	19.3% ±2.6	17.7% ±0.2	15.5% ±<0.1
$75,000 to $99,999	2,066 ±281	13.7% ±1.9	13.9% ±0.2	12.6% ±<0.1
$100,000 to $149,999	2,319 ±275	15.4% ±1.8	17.5% ±0.2	17.5% ±<0.1
$150,000 to $199,999	873 ±209	5.8% ±1.4	8.3% ±0.1	9.6% ±<0.1
$200,000 or more	411 ±118	2.7% ±0.8	8.2% ±0.1	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Cass County by age, ACS 2020–2024
Age	Below poverty	Rate	Indiana	United States
All ages	4,874 ±756	13.2% ±2.1	12.3% ±0.2	12.5% ±0.1
Under 18	1,403 ±308	16.7% ±3.5	16.0% ±0.3	16.1% ±0.1
18 to 59	2,746 ±458	14.5% ±2.4	11.9% ±0.2	11.6% ±0.1
60 and over	725 ±172	7.6% ±1.8	9.6% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Cass County, ACS 2020–2024
Measure	Cass County	Indiana	United States
Housing units	16,388 ±36	2,976,568 ±617	143,775,355 ±10,234
Occupied	91.8% ±1.6	91.2% ±0.2	89.9% ±0.1
Vacant	8.2% ±1.5	8.8% ±0.2	10.1% ±0.1
Owner occupied	74.3% ±2.6	70.6% ±0.3	65.2% ±0.3
Renter occupied	25.7% ±2.4	29.4% ±0.3	34.8% ±0.1
Median home value	$133,800 ±$9,421	$218,200 ±$739	$332,700 ±$236
Median gross rent	$783 ±$49	$1,062 ±$5	$1,413 ±$2
Median year built	1956 ±2	1976 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Cass County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Indiana	United States
Hispanic or Latino	7,000 ±0	18.6% ±<0.1	8.6% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	27,910 ±283	74.1% ±0.8	75.4% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	213 to 671	0.6% to 1.8%	9.1% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	522 ±215	1.4% ±0.6	2.6% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 41	0% to 0.1%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 27	0% to 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 406	0% to 1.1%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	1,587 ±376	4.2% ±1.0	3.8% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Cass County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Indiana	United States
Born in the state	26,699 ±735	70.9% ±2.0	67.0% ±0.2	57.3% ±<0.1
Born in another state	6,825 ±694	18.1% ±1.8	25.8% ±0.2	26.9% ±<0.1
Born a citizen outside the states	301 ±145	0.8% ±0.4	0.8% ±<0.1	1.7% ±<0.1
Born abroad	3,855 ±394	10.2% ±1.0	6.3% ±0.1	14.1% ±<0.1
Naturalized citizens	1,598 ±317	4.2% ±0.8	2.6% ±0.1	7.4% ±<0.1
Not citizens	2,257 ±439	6.0% ±1.2	3.7% ±0.1	6.8% ±<0.1

Cass County among the counties of Indiana

41st of 92 by population, July 2025. Every one is listed on the Indiana page.

Counties of Indiana near Cass County in population, July 2025
County	July 2025	Change since 2020
Dubois County	44,016	+0.9%
LaGrange County	41,305	+1.9%
Harrison County	40,437	+1.9%
Montgomery County	38,954	+2.7%
Putnam County	37,876	+3.2%
Cass County	37,836	+0.1%
Huntington County	37,224	+1.6%
Adams County	36,650	+2.2%
Knox County	35,652	−1.7%
Whitley County	35,046	+2.1%
Steuben County	34,799	+1.0%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026