Knox County, Indiana
Named for Revolutionary War hero General Henry Knox
County Seat: Vincennes
Largest City: Vincennes (2024 population: 16,506)
Population per Square Mile: 69.52
Square Miles: 516.00
Go to county's in.gov site
| Population over Time | Number | Rank in State | Percent of State | Indiana |
|---|
| Yesterday (2020) | 36,282 | 43 | 0.6% | 6,484,050 |
| Today (2024) | 35,872 | 44 | 0.5% | 6,924,275 |
| Tomorrow (2030 projection)* | 35,407 | 44 | 0.5% | 7,013,509 |
| Percent Change 2020 to Today | -1.1% | 88 | | 2.0% |
*Projection based on 2020 Census population estimates.
Sources: U.S. Census Bureau; Indiana Business Research Center
| Components of Population Change, 2023-2024 | Number | Rank in State | Percent of State | Indiana |
|---|
| Net Domestic Migration | -165 | 80 | | 4,268 |
| Net International Migration | 122 | 26 | | 30,852 |
| Natural Increase (births minus deaths) | -111 | 73 | -1.2% | 9,159 |
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) | 1,937 | 45 | 5.4% | 5.9% |
| School Age (5 to 17) | 5,679 | 47 | 15.8% | 17.0% |
| College Age (18 to 24) | 4,235 | 29 | 11.8% | 9.7% |
| Young Adult (25 to 44) | 8,546 | 44 | 23.8% | 25.9% |
| Older Adult (45 to 64) | 8,486 | 48 | 23.7% | 23.9% |
| Seniors (65 and older) | 6,989 | 44 | 19.5% | 17.5% |
| Median Age | 39.4 | | | 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 | 164 | 47 | 0.5% | 0.5% |
| Asian Alone | 476 | 33 | 1.3% | 3.1% |
| Black Alone | 1,285 | 30 | 3.6% | 10.6% |
| Native Hawaiian and Other Pac. Isl. Alone | 18 | 50 | 0.1% | 0.1% |
| White | 33,245 | 46 | 92.7% | 83.2% |
| Two or More Race Groups | 684 | 37 | 1.9% | 2.5% |
| Non-Hispanic | 34,702 | 43 | 96.7% | 90.9% |
| Hispanic | 1,170 | 50 | 3.3% | 9.1% |
Source: U.S. Census Bureau
| Household Types | Number | Rank in State | Pct Dist.
in County | Pct Dist.
in State |
|---|
| Households in 2023 (Includes detail not shown below) | 15,110 | 40 | 100.0% | 100.0% |
| Married With Children | 2,388 | 47 | 15.8% | 18.1% |
| Married Without Children | 4,606 | 44 | 30.5% | 29.3% |
| Single Parents | 1,456 | 32 | 9.6% | 8.9% |
| Living Alone | 5,015 | 33 | 33.2% | 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 2024 (estimate) | 17,008 | 39 | 100.0% | 100.0% |
| Total Housing Units in 2023 (includes vacant units) | 16,965 | 38 | 100.0% | 100.0% |
Owner Occupied
(Pct. distribution based on all housing units) | 9,955 | 50 | 58.7% | 63.9% |
| Median Value (2023) | $123,500 | 82 | | |
Renter Occupied
(Pct. distribution based on all housing units) | 5,155 | 26 | 30.4% | 26.9% |
| Median Rent (2023) | $568 | 72 | | |
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) | 5,454 | 46 | 0.5% | 1,132,621 |
| Public | 5,081 | 47 | 0.5% | 1,033,552 |
| Adults (25+ in 2023 ACS) | 24,242 | 43 | 0.5% | 4,559,304 |
| with High School diploma or higher | 90.1% | 52 | | 90.2% |
| with B.A. or higher degree | 17.8% | 57 | | 28.8% |
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 2023 | $56,279 | 35 | 91.9% | 61,243 |
| Median Household Income in 2023 | 57,242 | 84 | 82.4% | $69,458 |
| Poverty Rate in 2023 | 15.7% | 9 | 128.7% | 12.2% |
| Poverty Rate among Children under 18 | 17.2% | 27 | 113.9% | 15.1% |
| Welfare (TANF) Monthly Average Families in 2024 | 38 | 24 | 0.8% | 4,813 |
| Food Stamp Recipients in 2024 | 4,285 | 27 | 0.7% | 608,295 |
| Free and Reduced Fee Lunch Recipients in 2024/2025 | 2,560 | 42 | 0.5% | 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 | 402 | 44 | 0.5% | 79,946 |
| Births to Teens, 2021 | 28 | 29 | 0.7% | 3,845 |
| Deaths, 2019 | 479 | 34 | 0.7% | 66,005 |
Source: Indiana State Department of Health
| Labor Force, 2024 | Number | Rank in State | Percent of State | Indiana |
|---|
| Total Resident Labor Force | 17,868 | 43 | 0.5% | 3,455,992 |
| Employed | 17,142 | 43 | 0.5% | 3,310,992 |
| Unemployed | 726 | 42 | 0.5% | 145,000 |
| Annual Unemployment Rate | 4.1 | 38 | 97.6% | 4.2 |
| May 2025 Unemployment Rate | 3.3 | 39 | 97.1% | 3.4 |
Source: STATS Indiana, using data from the Indiana Department of Workforce Development
| Employment and Earnings by Industry, 2023 | Employment | Pct Dist.
in County | Earnings ($000) | Pct Dist.
In County | Avg. Earnings Per Job |
|---|
| Total by place of work | 22,396 | 100.0% | $1,340,143 | 100.0% | $59,838 |
| Wage and Salary | 18,508 | 82.6% | $935,220 | 69.8% | $50,531 |
| Farm Proprietors | 398 | 1.8% | $63,909 | 4.8% | $160,575 |
| Nonfarm Proprietors | 3,490 | 15.6% | $110,715 | 8.3% | $31,723 |
| Farm | 612 | 2.7% | $76,919 | 5.7% | $125,685 |
| Nonfarm | 21,784 | 97.3% | $1,263,224 | 94.3% | $57,989 |
| Private | 16,839 | 75.2% | $961,474 | 71.7% | $57,098 |
| Accommodation, Food Serv. | 1,617 | 7.2% | $41,485 | 3.1% | $25,656 |
| Arts, Ent., Recreation | 124 | 0.6% | $973 | 0.1% | $7,847 |
| Construction | 1,065 | 4.8% | $74,762 | 5.6% | $70,199 |
| Health Care, Social Serv. | 2,391 | 10.7% | $157,797 | 11.8% | $65,996 |
| Information | 98 | 0.4% | $6,240 | 0.5% | $63,673 |
| Manufacturing | 2,205 | 9.8% | $157,883 | 11.8% | $71,602 |
| Professional, Tech. Serv. | 544 | 2.4% | $34,865 | 2.6% | $64,090 |
| Retail Trade | 2,326 | 10.4% | $79,121 | 5.9% | $34,016 |
| Trans., Warehousing | 663 | 3.0% | $45,237 | 3.4% | $68,231 |
| Wholesale Trade | 686 | 3.1% | $55,210 | 4.1% | $80,481 |
| Other Private (not above) | 5,120 | 22.9% | $307,901 | 23.0% | $60,137 |
| Government | 4,945 | 22.1% | $301,750 | 22.5% | $61,021 |
Source: U.S. Bureau of Economic Analysis
| Residential Building Permits, 2024 | Units | Pct Dist.
in County | Pct Dist.
in State | Cost ($000) | State Cost ($000) |
|---|
| Total Permits Filed | 36 | 100.0% | 100.0% | $11,078 | $8,133,071 |
| Single-Family | 36 | 100.0% | 75.4% | $11,078 | $6,951,719 |
| 2-Family | 0 | 0.0% | 1.9% | 0 | $100,498 |
| 3- and 4-Family | 0 | 0.0% | 0.8% | $0 | $45,624 |
| 5+ Family | 0 | 0.0% | 21.9% | $0 | $1,035,231 |
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 Knox County
| Name | Population
in 2024 | Percent of County |
|---|
| Bicknell | 2,999 | 8.4% |
| Bruceville | 449 | 1.3% |
| Decker | 198 | 0.6% |
| Edwardsport | 280 | 0.8% |
| Monroe City | 489 | 1.4% |
| Oaktown | 580 | 1.6% |
| Sandborn | 360 | 1.0% |
| Vincennes | 16,506 | 46.0% |
| Wheatland | 392 | 1.1% |
Source: U.S. Census Bureau annual population estimates
