Census tract · Clay County
Census Tract 406, Clay County, Indiana
Census Tract 406, GEOID 18021040600, in Clay County, Indiana, mostly within Harrison Township, Clay County (63% of its census blocks). 3,580 residents in the ACS 2020-2024 5-year estimates (±365); the 2020 Census counted 3,537.
Residents, 2020-2024
3,580
±365 (90% margin)
2020 Census count: 3,537
Median household income
$74,496
±$6,770 (90% margin)
Clay County: $70,010
Median home value
$149,400
±$36,571 (90% margin)
Clay County: $153,000
Median gross rent
$729
±$94 (90% margin)
Clay County: $873
Where is Census Tract 406?
Census Tract 406 is one of 6 census tracts in Clay County, Indiana. It covers 106.92 square miles of land, 33 residents per square mile in 2020. Its GEOID, 18021040600, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Harrison Township, Clay County | 63% |
| Lewis Township | 36% |
| Clay City | 19% |
| Coalmont | 8% |
| Washington Township, Clay County | 1% |
6 census tracts border Census Tract 406: Tract 405 ($82,434), Tract 9549 in Greene County ($65,041), Tract 9550 in Greene County ($54,306), Tract 9557.02 in Owen County ($72,739), Tract 501.02 in Sullivan County ($49,957) and Tract 107.02 in Vigo County ($77,868). The figure in brackets is each tract's median household income.
Whether a tract counts as low- or moderate-income for bank lending (the Community Reinvestment Act) is set by the FFIEC against its metro area's family income: look it up in the FFIEC census geocoder.
Source: 2024 Gazetteer and 2020 block assignment files, U.S. Census Bureau · Census reference files
How many people live in Census Tract 406?
The 2020-2024 American Community Survey puts Census Tract 406's population at 3,580 (±365) in 1,345 households; the 2020 Census counted 3,537 residents and 1,620 housing units.
| Measure | Tract 406 | Harrison Township, Clay County |
|---|---|---|
| Total population | 3,580 ±365 | 2,583 |
| Households | 1,345 ±123 | 978 |
| Average household size | 2.66 ±0.23 | 2.64 |
| Housing units | 1,545 ±130 | 1,113 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Census Tract 406?
The median resident of Census Tract 406 is 38.1 years old; 25.0% are under 18 and 18.2% are 65 or older. The largest group is non-Hispanic white residents at 94.5%, then non-Hispanic residents of two or more races at 4.6%.
| Measure | Tract 406 | Harrison Township, Clay County |
|---|---|---|
| Median age | 38.1 ±7.5 | 40.5 |
| Under 18 years | 25.0% ±5.4 pts | 23.6% |
| 65 years and over | 18.2% ±3.6 pts | 18.2% |
| Hispanic or Latino (any race) | 0.8% ±1.0 pts | 1.1% |
| White alone, not Hispanic | 94.5% ±3.8 pts | 94.7% |
| Black or African American alone, not Hispanic | 0.0% ±1.0 pts | 0.0% |
| Asian alone, not Hispanic | 0.0% ±1.0 pts | 0.0% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±1.0 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.1% ±0.2 pts | 0.2% |
| Two or more races, not Hispanic | 4.6% ±3.4 pts | 3.9% |
| Some other race alone, not Hispanic | 0.0% ±1.0 pts | 0.0% |
| Born outside the United States | 0.5% ±1.0 pts | 0.7% |
| Speak a language other than English at home (age 5+) | 1.0% ±1.1 pts | 1.4% |
| Civilian veterans (age 18+) | 3.7% ±1.7 pts | 3.2% |
| With a disability | 14.9% ±4.0 pts | 15.1% |
| No health insurance coverage | 7.1% ±3.9 pts | 7.8% |
| High school graduate or higher (age 25+) | 91.9% ±3.6 pts | 90.7% |
| Bachelor's degree or higher (age 25+) | 24.8% ±8.3 pts | 28.9% |
| Graduate or professional degree (age 25+) | 4.1% ±1.9 pts | 3.3% |
| Lived in the same house a year earlier | 93.7% ±3.2 pts | 91.2% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Census Tract 406 earn?
Half of the 1,345 households in Census Tract 406 earn less than $74,496 a year (±$6,770), against $70,010 across Clay County: 4th highest of the county's 6 tracts with a reliable estimate. 7.2% of residents live below the poverty line.
| Measure | Tract 406 | Harrison Township, Clay County |
|---|---|---|
| Median household income | $74,496 ±$6,770 | $72,500 |
| Mean household income | $95,386 ±$14,534 | $95,411 |
| Per capita income | $36,083 ±$4,866 | $36,344 |
| People below the poverty line | 7.2% ±2.7 pts | 8.6% |
| Children under 18 below the poverty line | 4.5% ±2.9 pts | 6.8% |
| Households receiving SNAP | 7.4% ±4.9 pts | 10.1% |
| Households with a computer | 94.4% ±3.2 pts | 93.6% |
| Households with a broadband subscription | 90.9% ±4.0 pts | 91.2% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Census Tract 406?
Owners occupy 82.0% of Census Tract 406's occupied homes and renters 18.0%. The median owner-occupied home is valued at $149,400 by its owner (±$36,571). The median renter pays $729 a month including utilities, and 12.0% of renters pay 35% or more of their income on rent.
| Measure | Tract 406 | Harrison Township, Clay County |
|---|---|---|
| Median home value (owner-occupied) | $149,400 ±$36,571 | $119,000 |
| Median gross rent | $729 ±$94 | $744 |
| Renters paying 35% or more of income on rent | 12.0% ±7.1 pts | 12.7% |
| Median monthly owner costs, with a mortgage | $1,279 ±$212 | $1,281 |
| Owner-occupied homes | 82.0% ±5.9 pts | 77.7% |
| Renter-occupied homes | 18.0% ±5.9 pts | 22.3% |
| Housing units | 1,545 ±130 | 1,113 |
| Single-family detached homes | 76.9% ±7.6 pts | 75.1% |
| Mobile homes | 19.5% ±7.8 pts | 19.9% |
| Built 2020 or later | 0.1% ±0.2 pts | 0.1% |
| Built 2010 to 2019 | 4.5% ±3.3 pts | 2.5% |
| Built 1939 or earlier | 31.1% ±8.0 pts | 35.3% |
| Households with no vehicle | 4.2% ±2.6 pts | 3.0% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How do people in Census Tract 406 get to work?
75.4% of Census Tract 406's workers drive alone and 5.1% work from home. The average trip to work takes 32.1 minutes.
| Measure | Tract 406 | Harrison Township, Clay County |
|---|---|---|
| In the labor force (age 16+) | 61.1% ±6.1 pts | 65.6% |
| Unemployment rate | 1.5% ±1.4 pts | 1.1% |
| Drove alone to work | 75.4% ±10.0 pts | 73.2% |
| Carpooled | 16.5% ±9.6 pts | 17.5% |
| Public transportation | 0.0% ±2.2 pts | 0.0% |
| Walked | 1.3% ±1.3 pts | 1.7% |
| Worked from home | 5.1% ±3.1 pts | 5.5% |
| Mean travel time to work | 32.1 min ±2.7 | 32.2 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
How does Census Tract 406 compare with the other tracts in Clay County?
Among Clay County's tracts with a reliable estimate, Census Tract 406 ranks as shown below (1 = highest).
| Measure | In Clay County |
|---|---|
| Population | 5th of 6 |
| Residents per square mile | 5th of 6 |
| Median household income | 4th of 6 |
| Per capita income | 4th of 6 |
| Median home value | 4th of 6 |
| Median gross rent | 6th of 6 |
| Poverty rate | 4th of 6 |
| Bachelor's degree or higher | 3rd of 6 |
| Median age | 6th of 6 |
| Owner-occupied share | 3rd of 6 |
The tracts next to it on Clay County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 403 | 1st | $92,685±$25,090 · within the margin of this tract |
| Tract 404 | 2nd | $92,219±$7,273 |
| Tract 405 | 3rd | $82,434±$22,811 · within the margin of this tract |
| Tract 406 | 4th | $74,496±$6,770 |
| Tract 401 | 5th | $64,907±$17,409 · within the margin of this tract |
| Tract 402 | 6th | $58,780±$9,037 |
"Within the margin": the two incomes differ by less than their combined 90% margins, so the survey cannot say which is higher and the ranks between them are not firm.
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · How ranks are computed
How reliable are the figures for Census Tract 406?
3 of the 18 figures for Census Tract 406 on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
A census tract's figures rest on a few hundred sampled households over five years, so its margins are wider than a city's. Two tracts differ only when the gap between them is larger than their combined 90% margin (the square root of the sum of the two squared margins). How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · Check it at data.census.gov
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections