Marshall County, Indiana
Organized in 1836 and named for U.S. Chief Justice John Marshall
County Seat: Plymouth
Largest City: Plymouth (2025 population: 11,081)
Population per Square Mile: 105.05
Square Miles: 443.60
Go to county's in.gov site
| Population over Time | Number | Rank in State | Percent of State | Indiana |
|---|
| Yesterday (2020) | 46,095 | 32 | 0.7% | 6,484,050 |
| Today (2025) | 46,599 | 32 | 0.7% | 6,973,333 |
| Tomorrow (2030 projection)* | 46,251 | 32 | 0.7% | 7,013,509 |
| Percent Change 2020 to Today | 1.1% | 59 | | 2.8% |
*Projection based on 2020 Census population estimates.
Sources: U.S. Census Bureau; Indiana Business Research Center
| Components of Population Change, 2024-2025 | Number | Rank in State | Percent of State | Indiana |
|---|
| Net Domestic Migration | 24 | 52 | | 12,197 |
| Net International Migration | 12 | 60 | | 17,852 |
| Natural Increase (births minus deaths) | 23 | 29 | 0.3% | 8,561 |
Source: U.S. Census Bureau
| Population Estimates by Age, 2024 | Number | Rank in State | Pct Dist.
in County | Pct Dist.
in State |
|---|
| Preschool (0 to 4) | 2,777 | 32 | 6.0% | 5.9% |
| School Age (5 to 17) | 8,293 | 32 | 17.8% | 17.0% |
| College Age (18 to 24) | 4,108 | 30 | 8.8% | 9.7% |
| Young Adult (25 to 44) | 10,709 | 35 | 23.0% | 25.9% |
| Older Adult (45 to 64) | 11,515 | 34 | 24.8% | 23.9% |
| Seniors (65 and older) | 9,062 | 32 | 19.5% | 17.5% |
| Median Age | 40.3 | | | Median Age = 38.3 |
Sources: U.S. Census Bureau; Indiana Business Research Center
| Population Estimates by Race and Hispanic Origin, 2024 | Number | Rank of | Pct Dist.
in County | Pct Dist.
in State |
|---|
| American Indian or Alaska Native Alone | 253 | 31 | 0.5% | 0.5% |
| Asian Alone | 343 | 36 | 0.7% | 3.1% |
| Black Alone | 485 | 42 | 1.0% | 10.6% |
| Native Hawaiian and Other Pac. Isl. Alone | 51 | 26 | 0.1% | 0.1% |
| White | 44,561 | 31 | 95.9% | 83.2% |
| Two or More Race Groups | 771 | 32 | 1.7% | 2.5% |
| Non-Hispanic | 40,606 | 34 | 87.4% | 90.9% |
| Hispanic | 5,858 | 21 | 12.6% | 9.1% |
Source: U.S. Census Bureau
| Household Types | Number | Rank in State | Pct Dist.
in County | Pct Dist.
in State |
|---|
| Households in 2024 (Includes detail not shown below) | 17,758 | 34 | 100.0% | 100.0% |
| Married With Children | 3,488 | 32 | 19.6% | 17.9% |
| Married Without Children | 5,904 | 34 | 33.2% | 29.3% |
| Single Parents | 1,520 | 34 | 8.6% | 8.8% |
| Living Alone | 4,968 | 33 | 28.0% | 29.6% |
Source: U.S. Census Bureau, American Community Survey 5-year estimates.
| Housing | Number | Rank in State | Pct Dist.
in County | Pct Dist.
in State |
|---|
| Total Housing Units in 2025 (estimate) | 20,644 | 30 | 100.0% | 100.0% |
| Total Housing Units in 2024 (includes vacant units) | 20,111 | 32 | 100.0% | 100.0% |
Owner Occupied
(Pct. distribution based on all housing units) | 13,561 | 33 | 67.4% | 64.4% |
| Median Value (2024) | $204,900 | 33 | | |
Renter Occupied
(Pct. distribution based on all housing units) | 4,197 | 33 | 20.9% | 26.9% |
| Median Rent (2024) | $729 | 27 | | |
Source: U.S. Census Bureau, American Community Survey 5-year estimates.
| Education | Number | Rank in State | Percent of State | Indiana |
|---|
| School Enrollment (2024/2025 Total Reported) | 8,017 | 30 | 0.7% | 1,132,621 |
| Public | 7,661 | 29 | 0.7% | 1,033,552 |
| Adults (25+ in 2024 ACS) | 31,055 | 33 | 0.7% | 4,596,004 |
| with High School diploma or higher | 85.4% | 85 | | 90.4% |
| with B.A. or higher degree | 20.9% | 35 | | 29.5% |
Sources: Indiana Department of Education; U.S. Census Bureau, American Community Survey 5-year estimates.
| Income and Poverty | Number | Rank in State | Percent of State | Indiana |
|---|
| Per Capita Personal Income (annual) in 2024 | $55,404 | 49 | 86.5% | 64,077 |
| Median Household Income in 2024 | 68,762 | 50 | 95.6% | $71,958 |
| Poverty Rate in 2024 | 12.1% | 39 | 100.0% | 12.1% |
| Poverty Rate among Children under 18 | 14.8% | 46 | 93.7% | 15.8% |
| Welfare (TANF) Monthly Average Families in 2025 | 22 | 35 | 0.5% | 4,863 |
| Food Stamp Recipients in 2025 | 2,704 | 37 | 0.5% | 578,293 |
| Free and Reduced Fee Lunch Recipients in 2024/2025 | 4,034 | 29 | 0.8% | 488,145 |
Sources: U.S. Bureau of Economic Analysis; U.S. Census Bureau; Indiana Family Social Services Administration; Indiana Department of Education
| Health and Vital Statistics | Number | Rank of | Percent of State | Indiana |
|---|
| Births, 2021 | 553 | 33 | 0.7% | 79,946 |
| Births to Teens, 2021 | 34 | 24 | 0.9% | 3,845 |
| Deaths, 2019 | 449 | 36 | 0.7% | 66,005 |
Source: Indiana State Department of Health
| Labor Force, 2025 | Number | Rank in State | Percent of State | Indiana |
|---|
| Total Resident Labor Force | 23,109 | 31 | 0.7% | 3,506,284 |
| Employed | 22,305 | 31 | 0.7% | 3,377,760 |
| Unemployed | 804 | 31 | 0.6% | 128,524 |
| Annual Unemployment Rate | 3.5 | 44 | 94.6% | 3.7 |
| April 2026 Unemployment Rate | 2.6 | 32 | 92.9% | 2.8 |
Source: STATS Indiana, using data from the Indiana Department of Workforce Development
| Employment and Earnings by Industry, 2024 | Employment | Pct Dist.
in County | Earnings ($000) | Pct Dist.
In County | Avg. Earnings Per Job |
|---|
| Total by place of work | 25,258 | 100.0% | $1,543,609 | 100.0% | $61,114 |
| Wage and Salary | 19,277 | 76.3% | $1,084,603 | 70.3% | $56,264 |
| Farm Proprietors | 726 | 2.9% | $44,203 | 2.9% | $60,886 |
| Nonfarm Proprietors | 5,255 | 20.8% | $162,365 | 10.5% | $30,897 |
| Farm | 871 | 3.4% | $54,143 | 3.5% | $62,162 |
| Nonfarm | 24,387 | 96.6% | $1,489,466 | 96.5% | $61,076 |
| Private | 22,187 | 87.8% | $1,345,553 | 87.2% | $60,646 |
| Accommodation, Food Serv. | 1,506 | 6.0% | $42,428 | 2.7% | $28,173 |
| Arts, Ent., Recreation | 247 | 1.0% | $4,906 | 0.3% | $19,862 |
| Construction | 1,164 | 4.6% | $70,066 | 4.5% | $60,194 |
| Health Care, Social Serv. | 1,887 | 7.5% | $116,370 | 7.5% | $61,669 |
| Information | 100 | 0.4% | $8,386 | 0.5% | $83,860 |
| Manufacturing | 7,204 | 28.5% | $599,834 | 38.9% | $83,264 |
| Professional, Tech. Serv. | 754 | 3.0% | $46,240 | 3.0% | $61,326 |
| Retail Trade | 2,592 | 10.3% | $85,919 | 5.6% | $33,148 |
| Trans., Warehousing | Data not available due to BEA non-disclosure requirements. |
| Wholesale Trade | 457 | 1.8% | $56,130 | 3.6% | $122,823 |
| Other Private (not above) | 5,286* | 20.9%* | $268,623* | 17.4%* | $50,818* |
| Government | 2,200 | 8.7% | $143,913 | 9.3% | $65,415 |
Source: U.S. Bureau of Economic Analysis
* These totals do not include county data that are not available due to BEA non-disclosure requirements.
| Residential Building Permits, 2025 | Units | Pct Dist.
in County | Pct Dist.
in State | Cost ($000) | State Cost ($000) |
|---|
| Total Permits Filed | 118 | 100.0% | 100.0% | $42,274 | $8,792,236 |
| Single-Family | 116 | 98.3% | 68.4% | $42,194 | $7,272,703 |
| 2-Family | 2 | 1.7% | 1.7% | 80 | $80,213 |
| 3- and 4-Family | 0 | 0.0% | 0.6% | $0 | $31,389 |
| 5+ Family | 0 | 0.0% | 29.3% | $0 | $1,407,931 |
Notes: Detail cost may not sum to total due to rounding. Greene County does not currently issue building permits, so it is excluded.
Source: U.S. Census Bureau
Largest Cities and Towns in Marshall County
| Name | Population
in 2025 | Percent of County |
|---|
| Argos | 1,761 | 3.8% |
| Bourbon | 1,674 | 3.6% |
| Bremen | 4,592 | 9.9% |
| Culver | 1,256 | 2.7% |
| La Paz | 467 | 1.0% |
| Plymouth | 11,081 | 23.8% |
Source: U.S. Census Bureau annual population estimates
