Demographics of Marshall County, Indiana

Marshall County, Indiana had 46,599 people on July 1, 2025, by the Census Bureau’s estimate: +535 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.

Marshall County, in four figures

46,599
Population: July 1, 2025, Vintage 2025 estimate.; +1.2%
Change since July 2020: +535 people.; 39.8 ±0.4
Median age: ACS 2020–⁠2024.; $71,808 ±$3,823
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.

Marshall County, Indiana's population grew 1.2% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Marshall 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

Marshall County, Indiana's population grew 1.2% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Marshall 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	46,064	100.0	100.0
2021	46,106	100.1	100.2
2022	46,321	100.6	100.7
2023	46,269	100.4	101.6
2024	46,538	101.0	102.5
2025	46,599	101.2	103.1

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Population of Marshall 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	46,064	−15	+2	0	−23
2021	46,106	+42	−68	+2	+76
2022	46,321	+215	−2	+71	+171
2023	46,269	−52	−12	+90	−121
2024	46,538	+269	+24	+118	+136
2025	46,599	+61	+23	+12	+24

Age, 2020–2024

The median age is 39.8 ±0.4: for men 38.8 ±1.0 and for women 41.0 ±0.7. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Marshall County by age, ACS 2020–2024
Age	People	Share	Indiana	United States
Under 5	2,870 ±205	6.2% ±0.4	6.0% ±<0.1	5.6% ±<0.1
5 to 17	8,447 ±430	18.3% ±0.9	17.3% ±0.1	16.3% ±<0.1
18 to 24	3,912 ±309	8.5% ±0.7	9.6% ±0.1	9.1% ±<0.1
25 to 44	10,626 ±395	23.0% ±0.9	25.8% ±0.1	26.9% ±<0.1
45 to 64	11,643 ±447	25.2% ±1.0	24.5% ±0.1	24.8% ±<0.1
65 and over	8,786 ±462	19.0% ±1.0	16.8% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $71,808 ±$3,823, and income per person $34,462 ±$1,565, 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 Marshall County by income, ACS 2020–2024
Household income	Households	Share	Indiana	United States
Under $25,000	2,379 ±306	13.4% ±1.7	15.0% ±0.2	14.6% ±<0.1
$25,000 to $49,999	3,432 ±380	19.3% ±2.1	19.4% ±0.2	16.7% ±<0.1
$50,000 to $74,999	3,452 ±393	19.4% ±2.2	17.7% ±0.2	15.5% ±<0.1
$75,000 to $99,999	2,947 ±397	16.6% ±2.2	13.9% ±0.2	12.6% ±<0.1
$100,000 to $149,999	3,306 ±375	18.6% ±2.1	17.5% ±0.2	17.5% ±<0.1
$150,000 to $199,999	1,323 ±205	7.5% ±1.1	8.3% ±0.1	9.6% ±<0.1
$200,000 or more	919 ±176	5.2% ±1.0	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 Marshall County by age, ACS 2020–2024
Age	Below poverty	Rate	Indiana	United States
All ages	5,332 ±903	11.7% ±2.0	12.3% ±0.2	12.5% ±0.1
Under 18	1,856 ±424	16.6% ±3.7	16.0% ±0.3	16.1% ±0.1
18 to 59	2,302 ±440	10.0% ±1.9	11.9% ±0.2	11.6% ±0.1
60 and over	1,174 ±220	10.2% ±1.9	9.6% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Marshall County, ACS 2020–2024
Measure	Marshall County	Indiana	United States
Housing units	20,111 ±38	2,976,568 ±617	143,775,355 ±10,234
Occupied	88.3% ±1.6	91.2% ±0.2	89.9% ±0.1
Vacant	11.7% ±1.6	8.8% ±0.2	10.1% ±0.1
Owner occupied	76.4% ±2.0	70.6% ±0.3	65.2% ±0.3
Renter occupied	23.6% ±2.4	29.4% ±0.3	34.8% ±0.1
Median home value	$204,900 ±$7,570	$218,200 ±$739	$332,700 ±$236
Median gross rent	$938 ±$32	$1,062 ±$5	$1,413 ±$2
Median year built	1973 ±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 Marshall County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Indiana	United States
Hispanic or Latino	5,506 ±0	11.9% ±<0.1	8.6% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	39,314 ±90	84.9% ±0.2	75.4% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	261 ±65	0.6% ±0.1	9.1% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	294 ±42	0.6% ±0.1	2.6% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 27	0% to 0.1%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 20	0% to < 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	18 to 102	< 0.1% to 0.2%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	831 ±120	1.8% ±0.3	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 Marshall County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Indiana	United States
Born in the state	35,532 ±847	76.8% ±1.8	67.0% ±0.2	57.3% ±<0.1
Born in another state	8,223 ±824	17.8% ±1.8	25.8% ±0.2	26.9% ±<0.1
Born a citizen outside the states	53 to 329	0.1% to 0.7%	0.8% ±<0.1	1.7% ±<0.1
Born abroad	2,338 ±279	5.1% ±0.6	6.3% ±0.1	14.1% ±<0.1
Naturalized citizens	698 ±186	1.5% ±0.4	2.6% ±0.1	7.4% ±<0.1
Not citizens	1,640 ±269	3.5% ±0.6	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%.

Marshall County among the counties of Indiana

32nd of 92 by population, July 2025. Every one is listed on the Indiana page.

Counties of Indiana near Marshall County in population, July 2025
County	July 2025	Change since 2020
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%
Marshall County	46,599	+1.2%
Shelby County	45,882	+1.8%
Lawrence County	45,568	+1.2%
DeKalb County	44,535	+2.9%
Dubois County	44,016	+0.9%
LaGrange County	41,305	+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