Census tract · Roane County
Census Tract 308.02, Roane County, Tennessee
Census Tract 308.02, GEOID 47145030802, in Roane County, Tennessee, mostly within Harriman (56% of its census blocks). 3,620 residents in the ACS 2020-2024 5-year estimates (±510); the 2020 Census counted 3,196.
Residents, 2020-2024
3,620
±510 (90% margin)
2020 Census count: 3,196
Median household income
$48,168
±$10,881 (90% margin)
Roane County: $71,885
Median home value
$143,800
±$19,464 (90% margin)
Roane County: $232,900
Median gross rent
$683
±$118 (90% margin)
Roane County: $785
Where is Census Tract 308.02?
Census Tract 308.02 is one of 16 census tracts in Roane County, Tennessee. It covers 8.49 square miles of land, 376 residents per square mile in 2020. Its GEOID, 47145030802, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Harriman | 56% |
4 census tracts border Census Tract 308.02: Tract 1105 in Morgan County ($77,984), Tract 307 ($77,431), Tract 308.01 and Tract 309 ($77,240). 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 308.02?
The 2020-2024 American Community Survey puts Census Tract 308.02's population at 3,620 (±510) in 1,445 households; the 2020 Census counted 3,196 residents and 1,485 housing units.
| Measure | Tract 308.02 | Harriman |
|---|---|---|
| Total population | 3,620 ±510 | 6,090 |
| Households | 1,445 ±175 | 2,545 |
| Average household size | 2.48 ±0.30 | 2.35 |
| Housing units | 1,512 ±164 | 2,794 |
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 308.02?
The median resident of Census Tract 308.02 is 35.6 years old; 22.7% are under 18 and 15.6% are 65 or older. The largest group is non-Hispanic white residents at 85.2%, then non-Hispanic Black residents at 14.4%.
| Measure | Tract 308.02 | Harriman |
|---|---|---|
| Median age | 35.6 ±3.6 | 39.9 |
| Under 18 years | 22.7% ±6.6 pts | 19.6% |
| 65 years and over | 15.6% ±3.5 pts | 17.4% |
| Hispanic or Latino (any race) | 0.0% ±1.2 pts | 0.9% |
| White alone, not Hispanic | 85.2% ±7.5 pts | 80.3% |
| Black or African American alone, not Hispanic | 14.4% ±7.3 pts | 11.3% |
| Asian alone, not Hispanic | 0.0% ±1.2 pts | 0.1% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±1.2 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±1.2 pts | 0.0% |
| Two or more races, not Hispanic | 0.4% ±0.8 pts | 7.3% |
| Some other race alone, not Hispanic | 0.0% ±1.2 pts | 0.0% |
| Born outside the United States | 0.3% ±0.4 pts | 0.4% |
| Speak a language other than English at home (age 5+) | 1.7% ±1.9 pts | 2.2% |
| Civilian veterans (age 18+) | 10.5% ±4.7 pts | 7.7% |
| With a disability | 19.1% ±7.4 pts | 23.2% |
| No health insurance coverage | 15.0% ±10.2 pts | 13.4% |
| High school graduate or higher (age 25+) | 88.9% ±5.4 pts | 87.8% |
| Bachelor's degree or higher (age 25+) | 15.4% ±5.9 pts | 14.6% |
| Graduate or professional degree (age 25+) | 6.5% ±4.1 pts | 4.5% |
| Lived in the same house a year earlier | 84.5% ±8.3 pts | 83.1% |
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 308.02 earn?
Half of the 1,445 households in Census Tract 308.02 earn less than $48,168 a year (±$10,881), against $71,885 across Roane County: 13th highest of the county's 14 tracts with a reliable estimate. 21.1% of residents live below the poverty line.
| Measure | Tract 308.02 | Harriman |
|---|---|---|
| Median household income | $48,168 ±$10,881 | $44,653 |
| Mean household income | $82,382 ±$38,041 | $63,756 |
| Per capita income | $33,335 ±$14,463 | $28,589 |
| People below the poverty line | 21.1% ±8.9 pts | 21.2% |
| Children under 18 below the poverty line | 35.6% ±20.8 pts | 29.7% |
| Households receiving SNAP | 23.5% ±7.9 pts | 25.3% |
| Households with a computer | 93.9% ±4.1 pts | 92.2% |
| Households with a broadband subscription | 90.4% ±4.4 pts | 89.1% |
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 308.02?
Owners occupy 69.6% of Census Tract 308.02's occupied homes and renters 30.4%. The median owner-occupied home is valued at $143,800 by its owner (±$19,464). The median renter pays $683 a month including utilities, and 32.1% of renters pay 35% or more of their income on rent.
| Measure | Tract 308.02 | Harriman |
|---|---|---|
| Median home value (owner-occupied) | $143,800 ±$19,464 | $153,200 |
| Median gross rent | $683 ±$118 | $763 |
| Renters paying 35% or more of income on rent | 32.1% ±20.8 pts | 42.6% |
| Median monthly owner costs, with a mortgage | $1,131 ±$319 | $1,282 |
| Owner-occupied homes | 69.6% ±9.4 pts | 60.9% |
| Renter-occupied homes | 30.4% ±9.4 pts | 39.1% |
| Housing units | 1,512 ±164 | 2,794 |
| Single-family detached homes | 69.2% ±9.8 pts | 70.5% |
| Mobile homes | 10.1% ±6.3 pts | 6.6% |
| Built 2020 or later | 0.0% ±2.9 pts | 0.4% |
| Built 2010 to 2019 | 1.3% ±2.3 pts | 1.3% |
| Built 1939 or earlier | 2.4% ±2.6 pts | 12.3% |
| Households with no vehicle | 4.8% ±5.3 pts | 14.9% |
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 308.02 get to work?
83.6% of Census Tract 308.02's workers drive alone and 7.6% work from home. The average trip to work takes 28.1 minutes.
| Measure | Tract 308.02 | Harriman |
|---|---|---|
| In the labor force (age 16+) | 45.6% ±8.2 pts | 46.9% |
| Unemployment rate | 1.4% ±2.2 pts | 4.3% |
| Drove alone to work | 83.6% ±8.5 pts | 85.3% |
| Carpooled | 2.7% ±3.4 pts | 5.9% |
| Public transportation | 0.0% ±3.4 pts | 0.0% |
| Walked | 2.0% ±3.3 pts | 3.6% |
| Worked from home | 7.6% ±4.0 pts | 4.4% |
| Mean travel time to work | 28.1 min ±4.4 | 28.7 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 308.02 compare with the other tracts in Roane County?
Among Roane County's tracts with a reliable estimate, Census Tract 308.02 ranks as shown below (1 = highest).
| Measure | In Roane County | In Harriman |
|---|---|---|
| Population | 7th of 15 | 2nd of 3 |
| Residents per square mile | 5th of 16 | 2nd of 3 |
| Median household income | 13th of 14 | 2nd of 2 |
| Per capita income | 12th of 15 | 2nd of 3 |
| Median home value | 13th of 15 | 2nd of 3 |
| Median gross rent | 11th of 13 | 3rd of 3 |
| Poverty rate | 4th of 10 | 2nd of 3 |
| Bachelor's degree or higher | 12th of 15 | 2nd of 3 |
| Median age | 15th of 15 | 3rd of 3 |
| Owner-occupied share | 13th of 15 | 2nd of 3 |
The tracts next to it on Roane County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 303.01 | 10th | $70,441±$25,519 · within the margin of this tract |
| Tract 302.04 | 11th | $66,519±$21,481 · within the margin of this tract |
| Tract 304.01 | 12th | $57,565±$13,773 · within the margin of this tract |
| Tract 308.02 | 13th | $48,168±$10,881 |
| Tract 305 | 14th | $40,159±$14,404 · 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 308.02?
2 of the 18 figures for Census Tract 308.02 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