Demographics of Clay County, Indiana

Clay County, Indiana had 26,410 people on July 1, 2025, by the Census Bureau’s estimate: −16 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.

Clay County, in four figures

26,410
Population: July 1, 2025, Vintage 2025 estimate.; −0.1%
Change since July 2020: −16 people.; 41.4 ±1.0
Median age: ACS 2020–⁠2024.; $70,010 ±$6,394
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.

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

The July 1 estimate of Clay 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

Clay County, Indiana's population shrank 0.1% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Clay 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	26,426	100.0	100.0
2021	26,395	99.9	100.2
2022	26,370	99.8	100.7
2023	26,400	99.9	101.6
2024	26,352	99.7	102.5
2025	26,410	99.9	103.1

3 more columns on a wider screen

Population of Clay 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	26,426	−33	−24	0	−11
2021	26,395	−31	−61	+2	+8
2022	26,370	−25	−98	+4	+85
2023	26,400	+30	−56	+2	+91
2024	26,352	−48	−71	+1	+24
2025	26,410	+58	−78	−4	+140

Age, 2020–2024

The median age is 41.4 ±1.0: for men 39.9 ±0.6 and for women 42.7 ±0.7. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

2 more columns on a wider screen

People in Clay County by age, ACS 2020–2024
Age	People	Share	Indiana	United States
Under 5	1,580 ±125	6.0% ±0.5	6.0% ±<0.1	5.6% ±<0.1
5 to 17	4,473 ±343	16.9% ±1.3	17.3% ±0.1	16.3% ±<0.1
18 to 24	1,855 ±205	7.0% ±0.8	9.6% ±0.1	9.1% ±<0.1
25 to 44	6,540 ±317	24.8% ±1.2	25.8% ±0.1	26.9% ±<0.1
45 to 64	6,975 ±394	26.4% ±1.5	24.5% ±0.1	24.8% ±<0.1
65 and over	4,986 ±386	18.9% ±1.5	16.8% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $70,010 ±$6,394, and income per person $40,358 ±$3,985, in 2024 dollars. The median is $71,957 ±$352 in Indiana and $80,734 ±$166 in the United States.

Households by income

2 more columns on a wider screen

Households in Clay County by income, ACS 2020–2024
Household income	Households	Share	Indiana	United States
Under $25,000	1,497 ±271	14.2% ±2.5	15.0% ±0.2	14.6% ±<0.1
$25,000 to $49,999	2,253 ±381	21.4% ±3.5	19.4% ±0.2	16.7% ±<0.1
$50,000 to $74,999	1,834 ±302	17.4% ±2.8	17.7% ±0.2	15.5% ±<0.1
$75,000 to $99,999	1,562 ±247	14.8% ±2.3	13.9% ±0.2	12.6% ±<0.1
$100,000 to $149,999	1,861 ±282	17.6% ±2.6	17.5% ±0.2	17.5% ±<0.1
$150,000 to $199,999	837 ±223	7.9% ±2.1	8.3% ±0.1	9.6% ±<0.1
$200,000 or more	705 ±179	6.7% ±1.7	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).

2 more columns on a wider screen

Poverty rate in Clay County by age, ACS 2020–2024
Age	Below poverty	Rate	Indiana	United States
All ages	3,031 ±711	11.7% ±2.7	12.3% ±0.2	12.5% ±0.1
Under 18	888 ±306	15.1% ±5.0	16.0% ±0.3	16.1% ±0.1
18 to 59	1,606 ±375	12.2% ±2.8	11.9% ±0.2	11.6% ±0.1
60 and over	537 ±137	7.8% ±2.0	9.6% ±0.2	11.0% ±<0.1

Housing, 2020–2024

1 more column on a wider screen

Housing in Clay County, ACS 2020–2024
Measure	Clay County	Indiana	United States
Housing units	11,645 ±33	2,976,568 ±617	143,775,355 ±10,234
Occupied	90.6% ±2.9	91.2% ±0.2	89.9% ±0.1
Vacant	9.4% ±3.0	8.8% ±0.2	10.1% ±0.1
Owner occupied	80.9% ±3.4	70.6% ±0.3	65.2% ±0.3
Renter occupied	19.1% ±3.2	29.4% ±0.3	34.8% ±0.1
Median home value	$153,000 ±$8,517	$218,200 ±$739	$332,700 ±$236
Median gross rent	$873 ±$40	$1,062 ±$5	$1,413 ±$2
Median year built	1974 ±3	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

2 more columns on a wider screen

People in Clay County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Indiana	United States
Hispanic or Latino	523 ±0	2.0% ±<0.1	8.6% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	24,829 ±166	94.0% ±0.6	75.4% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	41 to 237	0.2% to 0.9%	9.1% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	46 to 182	0.2% to 0.7%	2.6% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 12	0% to < 0.1%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 12	0% to < 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 99	0% to 0.4%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	754 ±199	2.9% ±0.8	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).

2 more columns on a wider screen

People in Clay County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Indiana	United States
Born in the state	21,901 ±613	82.9% ±2.3	67.0% ±0.2	57.3% ±<0.1
Born in another state	4,093 ±627	15.5% ±2.4	25.8% ±0.2	26.9% ±<0.1
Born a citizen outside the states	45 to 189	0.2% to 0.7%	0.8% ±<0.1	1.7% ±<0.1
Born abroad	298 ±127	1.1% ±0.5	6.3% ±0.1	14.1% ±<0.1
Naturalized citizens	252 ±110	1.0% ±0.4	2.6% ±0.1	7.4% ±<0.1
Not citizens	0 to 97	0% to 0.4%	3.7% ±0.1	6.8% ±<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%.

Clay County among the counties of Indiana

60th of 92 by population, July 2025. Every one is listed on the Indiana page.

Counties of Indiana near Clay County in population, July 2025
County	July 2025	Change since 2020
Ripley County	29,434	+1.6%
Wells County	28,883	+2.6%
Washington County	28,383	+0.5%
Jennings County	27,622	+0.1%
Decatur County	26,576	+0.4%
Clay County	26,410	−0.1%
White County	25,164	+2.0%
Scott County	25,053	+2.8%
Posey County	24,988	−0.8%
Randolph County	24,438	+0.1%
Fayette County	23,533	+0.7%

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