County · Tennessee
Sumner County, Tennessee
Sumner County, Tennessee. Sumner County had 215,538 residents in 2025 by the Census Bureau's estimate, up 9.8% since 2020, faster than Tennessee (+5.8%). It holds 18 places (8 cities, villages and boroughs and 10 census-designated) and 43 census tracts. GEOID 47165.
Sumner County is one of the 14 counties of the Nashville-Davidson--Murfreesboro--Franklin, TN metropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
215,538
Census Bureau estimate (no margin published)
2020 Census count: 196,281 · ACS 2020-2024: 204,424
Median household income
$90,301
±$2,629 (90% margin)
Tennessee: $69,595
Median home value
$393,100
±$6,143 (90% margin)
Tennessee: $286,700
Median gross rent
$1,424
±$36 (90% margin)
Tennessee: $1,189
How many people live in Sumner County, and is it growing?
The 2020 Census counted 196,281 residents in Sumner County. The Census Bureau estimates 215,538 for July 1, 2025, up 9.8% since 2020, faster than Tennessee (+5.8%). The 2020-2024 American Community Survey puts the population at 204,424 over 529 square miles of land.
| Measure | Sumner County | Tennessee | Change since 2015-2019 |
|---|---|---|---|
| Total population | 204,424 | 7,066,383 | +20,987 |
| Households | 78,582±621 | 2,824,277 | +11,493 |
| Average household size | 2.58±0.02 | 2.45 | −0.13 |
| Housing units | 83,236±81 | 3,143,670 | +11,373 |
Sumner County's population since 2000
From 130,449 in 2000 to 215,538 in 2025: up 65.2%. 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 Sumner County?
Sumner County holds 18 places: 8 cities, villages and boroughs (incorporated places) and 10 census-designated places. The largest is Hendersonville with 64,266 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Hendersonville | 61,753 | $97,200 |
|---|---|---|
| Gallatin | 44,431 | $77,518 |
| Portland | 13,156 | $72,647 |
| White House | 12,982 | $90,019 |
| Goodlettsville | 17,789 | $70,758 |
| Millersville | 6,299 | $71,789 |
| Shackle Island | 3,331 | $130,125 |
| Westmoreland | 2,718 | $59,405 |
| Walnut Grove (Sumner County)GEOID 4777820 | 911 | $101,806 |
| Castalian SpringsGEOID 4711440 | 608 | $57,917 |
| New DealGEOID 4752520 | 398 | $55,357 |
| CottontownGEOID 4717420 | 397 | not published |
| BethpageGEOID 4705500 | 313 | $100,859 |
| Oak Grove (Sumner County)GEOID 4754640 | 238 | $104,211 |
| GraballGEOID 4730220 | 228 | $88,320 |
| BransfordGEOID 4708080 | 166 | not published |
| MitchellvilleGEOID 4749460 | 163 | $40,000 |
| FairfieldGEOID 4724960 | 141 | not published |
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 Sumner County?
The median resident of Sumner County is 39.8 years old; 23.1% are under 18 and 16.6% are 65 or older. The largest group is non-Hispanic white residents at 78.6%, then non-Hispanic Black residents at 8.4%. 4.0% of residents were born outside the United States.
| Measure | Sumner County | Tennessee | Change since 2015-2019 |
|---|---|---|---|
| Median age | 39.8±0.4 | 38.9 | no clear change |
| Under 18 years | 23.1%±0.1 pts | 22.2% | – |
| 65 years and over | 16.6%±0.1 pts | 17.1% | – |
| Hispanic or Latino (any race) | 7.2% | 7.4% | +2.3 pts |
| White alone, not Hispanic | 78.6%±0.6 pts | 71.0% | −5.5 pts |
| Black or African American alone, not Hispanic | 8.4%±0.3 pts | 15.4% | +1.1 pts |
| Asian alone, not Hispanic | 1.6%±0.1 pts | 1.9% | +0.2 pts |
| American Indian and Alaska Native alone, not Hispanic | 0.1%±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.1% | – |
| Two or more races, not Hispanic | 3.5%±0.7 pts | 3.7% | – |
| Some other race alone, not Hispanic | 0.6%±0.2 pts | 0.4% | – |
| Born outside the United States | 4.0%±0.4 pts | 6.1% | −0.7 pts |
| Speak a language other than English at home (age 5+) | 7.1%±0.6 pts | 8.6% | – |
| Civilian veterans (age 18+) | 7.1%±0.6 pts | 7.3% | – |
| With a disability | 11.7%±0.8 pts | 14.9% | – |
| No health insurance coverage | 7.5%±0.6 pts | 10.0% | −1.0 pts |
| High school graduate or higher (age 25+) | 92.3%±0.7 pts | 90.0% | – |
| Bachelor's degree or higher (age 25+) | 33.6%±1.3 pts | 31.1% | +5.5 pts |
| Graduate or professional degree (age 25+) | 11.7%±0.8 pts | 11.7% | – |
| Moved from another state in the past year | 3.2%±0.6 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 Sumner County earn?
Half of Sumner County's 78,582 households earn less than $90,301 a year (±$2,629), against $69,595 in Tennessee. In 2015-2019 the median was $82,708 in 2024 dollars, so it rose by $7,593 after inflation. 8.8% of residents live below the poverty line.
| Measure | Sumner County | Tennessee | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $90,301±$2,629 | $69,595 | +$7,593 |
| Mean household income | $113,861±$3,137 | $96,820 | – |
| Per capita income | $44,761±$1,170 | $39,437 | +$3,101 |
| People below the poverty line | 8.8%±0.9 pts | 13.8% | no clear change |
| Children under 18 below the poverty line | 12.4%±2.0 pts | 18.8% | no clear change |
| Households receiving SNAP | 6.1%±0.8 pts | 10.8% | – |
| Households with a broadband subscription | 92.8%±0.8 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 Sumner County?
Owners occupy 72.0% of Sumner County's occupied homes and renters 28.0%. The median owner-occupied home is valued at $393,100 by its owner (±$6,143). The median renter pays $1,424 a month including utilities, and 39.1% of renters pay 35% or more of their income on rent.
| Measure | Sumner County | Tennessee | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $393,100±$6,143 | $286,700 | +$104,871 |
| Median gross rent | $1,424±$36 | $1,189 | +$161 |
| Renters paying 35% or more of income on rent | 39.1%±3.3 pts | 39.7% | no clear change |
| Median monthly owner costs, with a mortgage | $1,831±$43 | $1,566 | – |
| Owner-occupied homes | 72.0%±1.2 pts | 66.9% | no clear change |
| Housing units | 83,236±81 | 3,143,670 | +11,373 |
| Homeowner vacancy rate | 1.3%±0.5 pts | 0.9% | – |
| Rental vacancy rate | 5.6%±1.8 pts | 6.1% | – |
| Single-family detached homes | 73.0%±1.3 pts | 68.3% | – |
| Mobile homes | 5.1%±0.7 pts | 8.1% | – |
| Built 2020 or later | 4.2%±0.5 pts | 3.0% | – |
| Built 1939 or earlier | 2.4%±0.5 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 Sumner County building?
Builders took permits for 3,045 new housing units across Sumner County in 2025 (1,571 single-family), 14.1 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 Sumner County get to work?
74.0% of Sumner County's workers drive alone and 16.2% work from home. The average trip to work takes 29.0 minutes. The unemployment rate in 2020-2024 averaged 3.6%.
| Measure | Sumner County | Tennessee | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 67.4%±0.9 pts | 62.4% | – |
| Unemployment rate | 3.6%±0.6 pts | 4.7% | no clear change |
| Drove alone to work | 74.0%±1.4 pts | 75.8% | – |
| Carpooled | 7.7%±0.8 pts | 8.4% | – |
| Public transportation | 0.1%±0.1 pts | 0.4% | – |
| Walked | 0.5%±0.2 pts | 1.2% | – |
| Worked from home | 16.2%±1.2 pts | 12.9% | +10.3 pts |
| Mean travel time to work | 29.0 min±0.9 | 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 Sumner County's census tracts?
Sumner County is divided into 43 census tracts. Among those with a reliable estimate, median household income runs from $39,663 (Tract 208) to $156,012 (Tract 210.07).
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Sumner County compare with Tennessee's other counties?
| Measure | Rank |
|---|---|
| Population | 8th of 95 |
| Growth 2020-2025 | 13th of 95 |
| Residents per square mile | 11th of 95 |
| Median household income | 3rd of 95 |
| Median home value | 4th of 95 |
| Median gross rent | 5th of 95 |
| Poverty rate | 90th of 95 |
| Bachelor's degree or higher | 9th of 95 |
| Median age | 69th 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 Sumner 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.