Demographics of Grant County, Indiana

Grant County, Indiana had 66,524 people on July 1, 2025, by the Census Bureau’s estimate: +19 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.

Grant County, in four figures

66,524
Population: July 1, 2025, Vintage 2025 estimate.; < +0.1%
Change since July 2020: +19 people.; 38.7 ±0.6
Median age: ACS 2020–⁠2024.; $53,522 ±$3,012
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.

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

The July 1 estimate of Grant 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

Grant County, Indiana's population grew < 0.1% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Grant 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	66,505	100.0	100.0
2021	66,152	99.5	100.2
2022	65,900	99.1	100.7
2023	66,188	99.5	101.6
2024	66,236	99.6	102.5
2025	66,524	100.0	103.1

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Population of Grant 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	66,505	−167	−70	0	−99
2021	66,152	−353	−390	+14	−36
2022	65,900	−252	−423	+126	+89
2023	66,188	+288	−236	+161	+373
2024	66,236	+48	−259	+216	+101
2025	66,524	+288	−257	+104	+443

Age, 2020–2024

The median age is 38.7 ±0.6: for men 38.0 ±0.5 and for women 39.7 ±1.0. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Grant County by age, ACS 2020–2024
Age	People	Share	Indiana	United States
Under 5	3,748 ±109	5.7% ±0.2	6.0% ±<0.1	5.6% ±<0.1
5 to 17	10,388 ±527	15.7% ±0.8	17.3% ±0.1	16.3% ±<0.1
18 to 24	8,336 ±444	12.6% ±0.7	9.6% ±0.1	9.1% ±<0.1
25 to 44	14,642 ±591	22.1% ±0.9	25.8% ±0.1	26.9% ±<0.1
45 to 64	16,411 ±594	24.8% ±0.9	24.5% ±0.1	24.8% ±<0.1
65 and over	12,770 ±610	19.3% ±0.9	16.8% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $53,522 ±$3,012, and income per person $29,423 ±$1,207, 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 Grant County by income, ACS 2020–2024
Household income	Households	Share	Indiana	United States
Under $25,000	5,275 ±571	19.7% ±2.1	15.0% ±0.2	14.6% ±<0.1
$25,000 to $49,999	7,378 ±644	27.6% ±2.4	19.4% ±0.2	16.7% ±<0.1
$50,000 to $74,999	5,006 ±480	18.7% ±1.8	17.7% ±0.2	15.5% ±<0.1
$75,000 to $99,999	3,008 ±397	11.2% ±1.5	13.9% ±0.2	12.6% ±<0.1
$100,000 to $149,999	3,894 ±587	14.5% ±2.2	17.5% ±0.2	17.5% ±<0.1
$150,000 to $199,999	1,419 ±276	5.3% ±1.0	8.3% ±0.1	9.6% ±<0.1
$200,000 or more	793 ±199	3.0% ±0.7	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).

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Poverty rate in Grant County by age, ACS 2020–2024
Age	Below poverty	Rate	Indiana	United States
All ages	12,101 ±1,094	19.8% ±1.8	12.3% ±0.2	12.5% ±0.1
Under 18	3,897 ±470	28.3% ±3.0	16.0% ±0.3	16.1% ±0.1
18 to 59	5,906 ±694	19.3% ±2.2	11.9% ±0.2	11.6% ±0.1
60 and over	2,298 ±387	13.8% ±2.3	9.6% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Grant County, ACS 2020–2024
Measure	Grant County	Indiana	United States
Housing units	29,907 ±114	2,976,568 ±617	143,775,355 ±10,234
Occupied	89.5% ±1.4	91.2% ±0.2	89.9% ±0.1
Vacant	10.5% ±1.5	8.8% ±0.2	10.1% ±0.1
Owner occupied	72.7% ±1.9	70.6% ±0.3	65.2% ±0.3
Renter occupied	27.3% ±1.9	29.4% ±0.3	34.8% ±0.1
Median home value	$122,300 ±$4,945	$218,200 ±$739	$332,700 ±$236
Median gross rent	$853 ±$44	$1,062 ±$5	$1,413 ±$2
Median year built	1963 ±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 Grant County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Indiana	United States
Hispanic or Latino	3,674 ±0	5.5% ±<0.1	8.6% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	54,778 ±225	82.6% ±0.3	75.4% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	3,162 ±338	4.8% ±0.5	9.1% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	593 ±135	0.9% ±0.2	2.6% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	49 to 315	0.1% to 0.5%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 73	0% to 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	10 to 120	< 0.1% to 0.2%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	3,813 ±396	5.8% ±0.6	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 Grant County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Indiana	United States
Born in the state	48,916 ±973	73.8% ±1.5	67.0% ±0.2	57.3% ±<0.1
Born in another state	15,159 ±856	22.9% ±1.3	25.8% ±0.2	26.9% ±<0.1
Born a citizen outside the states	392 ±170	0.6% ±0.3	0.8% ±<0.1	1.7% ±<0.1
Born abroad	1,828 ±339	2.8% ±0.5	6.3% ±0.1	14.1% ±<0.1
Naturalized citizens	709 ±258	1.1% ±0.4	2.6% ±0.1	7.4% ±<0.1
Not citizens	1,119 ±283	1.7% ±0.4	3.7% ±0.1	6.8% ±<0.1

Grant County among the counties of Indiana

26th of 92 by population, July 2025. Every one is listed on the Indiana page.

Counties of Indiana near Grant County in population, July 2025
County	July 2025	Change since 2020
Floyd County	82,153	+2.0%
Kosciusko County	80,892	+0.9%
Boone County	80,689	+13.5%
Morgan County	74,967	+4.3%
Warrick County	66,803	+4.4%
Grant County	66,524	< +0.1%
Wayne County	66,169	−0.5%
Dearborn County	51,609	+1.7%
Henry County	49,137	+0.5%
Noble County	47,937	+1.0%
Jackson County	47,370	+1.9%

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