Census tract · Jefferson County
Census Tract 9666, Jefferson County, Indiana
Census Tract 9666, GEOID 18077966600, in Jefferson County, Indiana, entirely within Madison and Madison Township, Jefferson County. 2,497 residents in the ACS 2020-2024 5-year estimates (±391); the 2020 Census counted 2,249.
Residents, 2020-2024
2,497
±391 (90% margin)
2020 Census count: 2,249
Median household income
$54,550
±$16,286 (90% margin)
Jefferson County: $64,577
Median home value
$198,900
±$43,013 (90% margin)
Jefferson County: $194,600
Median gross rent
$854
±$106 (90% margin)
Jefferson County: $890
Where is Census Tract 9666?
Census Tract 9666 is one of 7 census tracts in Jefferson County, Indiana. It covers 0.55 square miles of land, 4,067 residents per square mile in 2020. Its GEOID, 18077966600, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Madison | 100% |
| Madison Township, Jefferson County | 100% |
2 census tracts border Census Tract 9666: Tract 9664 ($61,625) and Tract 9665 ($63,726). 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 9666?
The 2020-2024 American Community Survey puts Census Tract 9666's population at 2,497 (±391) in 1,060 households; the 2020 Census counted 2,249 residents and 1,342 housing units.
| Measure | Tract 9666 | Madison |
|---|---|---|
| Total population | 2,497 ±391 | 12,223 |
| Households | 1,060 ±183 | 4,924 |
| Average household size | 2.18 ±0.25 | 2.29 |
| Housing units | 1,479 ±162 | 5,710 |
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 9666?
The median resident of Census Tract 9666 is 42.4 years old; 14.5% are under 18 and 21.9% are 65 or older. The largest group is non-Hispanic white residents at 92.2%, then Hispanic or Latino residents (of any race) at 3.7%.
| Measure | Tract 9666 | Madison |
|---|---|---|
| Median age | 42.4 ±5.7 | 44.4 |
| Under 18 years | 14.5% ±4.5 pts | 18.0% |
| 65 years and over | 21.9% ±5.7 pts | 20.0% |
| Hispanic or Latino (any race) | 3.7% ±3.3 pts | 2.0% |
| White alone, not Hispanic | 92.2% ±5.5 pts | 89.6% |
| Black or African American alone, not Hispanic | 0.6% ±1.2 pts | 2.2% |
| Asian alone, not Hispanic | 0.4% ±0.7 pts | 1.3% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±1.5 pts | 0.1% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±1.5 pts | 0.0% |
| Two or more races, not Hispanic | 3.2% ±2.5 pts | 2.7% |
| Some other race alone, not Hispanic | 0.0% ±1.5 pts | 2.1% |
| Born outside the United States | 0.7% ±1.1 pts | 1.4% |
| Speak a language other than English at home (age 5+) | 1.6% ±1.7 pts | 2.7% |
| Civilian veterans (age 18+) | 3.0% ±1.9 pts | 4.1% |
| With a disability | 16.5% ±5.2 pts | 21.2% |
| No health insurance coverage | 7.9% ±6.0 pts | 7.6% |
| High school graduate or higher (age 25+) | 90.8% ±5.7 pts | 90.0% |
| Bachelor's degree or higher (age 25+) | 33.5% ±8.7 pts | 23.8% |
| Graduate or professional degree (age 25+) | 11.9% ±5.2 pts | 11.5% |
| Lived in the same house a year earlier | 83.6% ±6.2 pts | 89.8% |
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 9666 earn?
Half of the 1,060 households in Census Tract 9666 earn less than $54,550 a year (±$16,286), against $64,577 across Jefferson County: 6th highest of the county's 7 tracts with a reliable estimate. 9.9% of residents live below the poverty line.
| Measure | Tract 9666 | Madison |
|---|---|---|
| Median household income | $54,550 ±$16,286 | $61,183 |
| Mean household income | $93,952 ±$21,417 | $80,224 |
| Per capita income | $42,846 ±$9,052 | $33,509 |
| People below the poverty line | 9.9% ±6.5 pts | 14.9% |
| Children under 18 below the poverty line | 7.6% ±12.1 pts | 16.0% |
| Households receiving SNAP | 3.8% ±4.7 pts | 14.3% |
| Households with a computer | 95.9% ±4.8 pts | 92.6% |
| Households with a broadband subscription | 92.2% ±5.1 pts | 90.9% |
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 9666?
Owners occupy 70.1% of Census Tract 9666's occupied homes and renters 29.9%. The median owner-occupied home is valued at $198,900 by its owner (±$43,013). The median renter pays $854 a month including utilities.
| Measure | Tract 9666 | Madison |
|---|---|---|
| Median home value (owner-occupied) | $198,900 ±$43,013 | $203,100 |
| Median gross rent | $854 ±$106 | $820 |
| Renters paying 35% or more of income on rent | 9.5% ±10.5 pts | 28.0% |
| Median monthly owner costs, with a mortgage | $1,158 ±$267 | $1,201 |
| Owner-occupied homes | 70.1% ±8.8 pts | 62.1% |
| Renter-occupied homes | 29.9% ±8.8 pts | 37.9% |
| Housing units | 1,479 ±162 | 5,710 |
| Single-family detached homes | 47.0% ±9.0 pts | 58.5% |
| Mobile homes | 0.0% ±2.5 pts | 2.5% |
| Built 2020 or later | 0.0% ±2.5 pts | 0.0% |
| Built 2010 to 2019 | 0.7% ±1.1 pts | 3.1% |
| Built 1939 or earlier | 88.0% ±6.1 pts | 31.8% |
| Households with no vehicle | 6.6% ±5.4 pts | 3.8% |
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 9666 get to work?
73.2% of Census Tract 9666's workers drive alone. The average trip to work takes 24.6 minutes.
| Measure | Tract 9666 | Madison |
|---|---|---|
| In the labor force (age 16+) | 58.8% ±8.6 pts | 57.1% |
| Unemployment rate | 1.8% ±2.0 pts | 5.2% |
| Drove alone to work | 73.2% ±12.6 pts | 82.6% |
| Carpooled | 10.2% ±8.5 pts | 8.0% |
| Public transportation | 0.0% ±2.9 pts | 0.0% |
| Walked | 6.4% ±4.7 pts | 1.6% |
| Worked from home | 7.9% ±6.6 pts | 7.3% |
| Mean travel time to work | 24.6 min ±5.4 | 19.4 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 9666 compare with the other tracts in Jefferson County?
Among Jefferson County's tracts with a reliable estimate, Census Tract 9666 ranks as shown below (1 = highest).
| Measure | In Jefferson County | In Madison |
|---|---|---|
| Population | 7th of 7 | 3rd of 3 |
| Residents per square mile | 1st of 7 | 1st of 3 |
| Median household income | 6th of 7 | 3rd of 3 |
| Per capita income | 1st of 7 | 1st of 3 |
| Median home value | 2nd of 7 | 1st of 3 |
| Median gross rent | 5th of 7 | 2nd of 3 |
| Poverty rate | 6th of 7 | 3rd of 3 |
| Bachelor's degree or higher | 1st of 7 | 1st of 3 |
| Median age | 3rd of 7 | 3rd of 3 |
| Owner-occupied share | 4th of 7 | 1st of 3 |
The tracts next to it on Jefferson County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 9665 | 3rd | $63,726±$8,508 · within the margin of this tract |
| Tract 9664 | 4th | $61,625±$8,213 · within the margin of this tract |
| Tract 9660 | 5th | $59,150±$11,300 · within the margin of this tract |
| Tract 9666 | 6th | $54,550±$16,286 |
| Tract 9663 | 7th | $52,292±$7,883 · within the margin of this tract |
"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 9666?
4 of the 18 figures for Census Tract 9666 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