County · Tennessee
Obion County, Tennessee
Obion County, Tennessee. Obion County had 30,067 residents in 2025 by the Census Bureau's estimate, down 2.4% since 2020, while Tennessee grew 5.8%. It holds 10 places (10 cities, villages and boroughs) and 10 census tracts. GEOID 47131.
Obion County is the county of the Union City, TN micropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
30,067
Census Bureau estimate (no margin published)
2020 Census count: 30,787 · ACS 2020-2024: 30,453
Median household income
$54,613
±$3,708 (90% margin)
Tennessee: $69,595
Median home value
$133,600
±$10,724 (90% margin)
Tennessee: $286,700
Median gross rent
$770
±$28 (90% margin)
Tennessee: $1,189
How many people live in Obion County, and is it growing?
The 2020 Census counted 30,787 residents in Obion County. The Census Bureau estimates 30,067 for July 1, 2025, down 2.4% since 2020, while Tennessee grew 5.8%. The 2020-2024 American Community Survey puts the population at 30,453 over 545 square miles of land.
| Measure | Obion County | Tennessee | Change since 2015-2019 |
|---|---|---|---|
| Total population | 30,453 | 7,066,383 | +88 |
| Households | 12,527±289 | 2,824,277 | no clear change |
| Average household size | 2.41±0.06 | 2.45 | no clear change |
| Housing units | 14,326±66 | 3,143,670 | −292 |
Obion County's population since 2000
From 32,450 in 2000 to 30,067 in 2025: down 7.3%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Obion County?
Obion County holds 10 places: 10 cities, villages and boroughs (incorporated places). The largest is Union City with 10,814 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Union City | 11,170 | $50,870 |
|---|---|---|
| South Fulton | 2,245 | $43,942 |
| Troy | 1,423 | $51,711 |
| Obion | 991 | $38,167 |
| Hornbeak | 511 | $63,036 |
| Kenton | 1,205 | $41,525 |
| Woodland MillsGEOID 4781700 | 346 | $79,145 |
| RivesGEOID 4763800 | 246 | $43,750 |
| SamburgGEOID 4766360 | 210 | $41,250 |
| Trimble | 547 | $51,750 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Obion County?
The median resident of Obion County is 41.8 years old; 21.8% are under 18 and 21.1% are 65 or older. The largest group is non-Hispanic white residents at 79.2%, then non-Hispanic Black residents at 10.5%. 2.7% of residents were born outside the United States.
| Measure | Obion County | Tennessee | Change since 2015-2019 |
|---|---|---|---|
| Median age | 41.8±0.4 | 38.9 | −0.8 |
| Under 18 years | 21.8%±0.1 pts | 22.2% | – |
| 65 years and over | 21.1%±0.2 pts | 17.1% | – |
| Hispanic or Latino (any race) | 5.5% | 7.4% | +1.1 pts |
| White alone, not Hispanic | 79.2%±0.9 pts | 71.0% | −3.7 pts |
| Black or African American alone, not Hispanic | 10.5%±0.7 pts | 15.4% | no clear change |
| Asian alone, not Hispanic | 0.3%±0.3 pts | 1.9% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.1%±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.1%±0.2 pts | 0.1% | – |
| Two or more races, not Hispanic | 4.0%±1.1 pts | 3.7% | – |
| Some other race alone, not Hispanic | 0.2%±0.2 pts | 0.4% | – |
| Born outside the United States | 2.7%±0.5 pts | 6.1% | +0.8 pts |
| Speak a language other than English at home (age 5+) | 4.7%±0.4 pts | 8.6% | – |
| Civilian veterans (age 18+) | 6.3%±0.9 pts | 7.3% | – |
| With a disability | 21.8%±1.8 pts | 14.9% | – |
| No health insurance coverage | 8.5%±1.3 pts | 10.0% | no clear change |
| High school graduate or higher (age 25+) | 85.3%±1.9 pts | 90.0% | – |
| Bachelor's degree or higher (age 25+) | 18.3%±2.0 pts | 31.1% | +3.0 pts |
| Graduate or professional degree (age 25+) | 6.9%±1.4 pts | 11.7% | – |
| Moved from another state in the past year | 0.8%±0.3 pts | 3.0% | – |
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 Obion County earn?
Half of Obion County's 12,527 households earn less than $54,613 a year (±$3,708), against $69,595 in Tennessee. In 2015-2019 the median was $48,754 in 2024 dollars, so it rose by $5,859 after inflation. 18.6% of residents live below the poverty line.
| Measure | Obion County | Tennessee | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $54,613±$3,708 | $69,595 | +$5,859 |
| Mean household income | $72,466±$6,728 | $96,820 | – |
| Per capita income | $30,429±$2,671 | $39,437 | no clear change |
| People below the poverty line | 18.6%±2.4 pts | 13.8% | no clear change |
| Children under 18 below the poverty line | 22.5%±4.4 pts | 18.8% | −7.8 pts |
| Households receiving SNAP | 15.6%±2.2 pts | 10.8% | – |
| Households with a broadband subscription | 83.7%±2.1 pts | 89.2% | – |
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 Obion County?
Owners occupy 68.1% of Obion County's occupied homes and renters 31.9%. The median owner-occupied home is valued at $133,600 by its owner (±$10,724). The median renter pays $770 a month including utilities, and 34.0% of renters pay 35% or more of their income on rent.
| Measure | Obion County | Tennessee | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $133,600±$10,724 | $286,700 | +$20,992 |
| Median gross rent | $770±$28 | $1,189 | no clear change |
| Renters paying 35% or more of income on rent | 34.0%±6.2 pts | 39.7% | no clear change |
| Median monthly owner costs, with a mortgage | $1,073±$50 | $1,566 | – |
| Owner-occupied homes | 68.1%±2.6 pts | 66.9% | no clear change |
| Housing units | 14,326±66 | 3,143,670 | −292 |
| Homeowner vacancy rate | 1.1%±0.8 pts | 0.9% | – |
| Rental vacancy rate | 3.0%±2.3 pts | 6.1% | – |
| Single-family detached homes | 74.9%±2.4 pts | 68.3% | – |
| Mobile homes | 11.9%±2.0 pts | 8.1% | – |
| Built 2020 or later | 1.8%±0.8 pts | 3.0% | – |
| Built 1939 or earlier | 9.4%±1.5 pts | 5.6% | – |
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 many new homes is Obion County building?
Builders took permits for 27 new housing units across Obion County in 2025 (27 single-family), 0.9 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Obion County get to work?
81.7% of Obion County's workers drive alone and 3.2% work from home. The average trip to work takes 20.2 minutes. The unemployment rate in 2020-2024 averaged 4.2%.
| Measure | Obion County | Tennessee | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 54.8%±2.0 pts | 62.4% | – |
| Unemployment rate | 4.2%±1.2 pts | 4.7% | no clear change |
| Drove alone to work | 81.7%±2.6 pts | 75.8% | – |
| Carpooled | 10.3%±2.2 pts | 8.4% | – |
| Public transportation | 0.1%±0.2 pts | 0.4% | – |
| Walked | 1.6%±0.9 pts | 1.2% | – |
| Worked from home | 3.2%±1.1 pts | 12.9% | no clear change |
| Mean travel time to work | 20.2 min±1.4 | 25.7 min | no clear change |
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 are Obion County's census tracts?
Obion County is divided into 10 census tracts. Among those with a reliable estimate, median household income runs from $34,309 (Tract 9656) to $75,179 (Tract 9658).
| Tract 965047131965000 | 4,227±356 | $57,574 |
|---|---|---|
| Tract 965147131965100 | 2,546±375 | $70,066 |
| Tract 965247131965200 | 2,082±241 | $59,427 |
| Tract 965347131965300 | 3,388±336 | $51,473 |
| Tract 965447131965400 | 4,236±405 | $49,167 |
| Tract 965547131965500 | 2,828±358 | $52,809 |
| Tract 965647131965600 | 3,581±445 | $34,309 |
| Tract 965747131965700 | 4,761±555 | $63,750 |
| Tract 965847131965800 | 1,506±168 | $75,179 |
| Tract 965947131965900 | 1,298±290 | $43,542 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Obion County compare with Tennessee's other counties?
| Measure | Rank |
|---|---|
| Population | 50th of 95 |
| Growth 2020-2025 | 93rd of 95 |
| Residents per square mile | 62nd of 95 |
| Median household income | 66th of 95 |
| Median home value | 90th of 95 |
| Median gross rent | 63rd of 95 |
| Poverty rate | 20th of 95 |
| Bachelor's degree or higher | 49th of 95 |
| Median age | 56th of 95 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Obion County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.