Sumner County, Tennessee Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 8th-largest in Tennessee
The population of Sumner County, Tennessee is 200,553 as of the 2023 American Community Survey, making it the 8th-largest county in Tennessee. The median household income is $86,005, the median home value is $364,000, and the median age is 39.7.
The population of Sumner County has grown 31.3% since 2010 (161,226 → 211,721), a +1.97% annualized rate.
200,553
Population
+1.97%
Annual growth
379
People / sq mi
$86,005
Median Income
$364,000
Median Home Value
Sumner County covers 529 sq mi of land at 378.8 people per square mile.
About Sumner County, TN
In Sumner County, home values do the distinguishing — a median of $364,000. With 200,553 residents, Sumner County is a county in Tennessee. It is the #8-largest of all counties in Tennessee nationally.
Median household income is $86,005, above the US median of $78,538. Poverty is relatively low for US counties at 6.3%, below the national 12.4%. Home prices are steep, with the typical property valued at $364,000, with typical rent around $1,339.
Educational attainment is on the higher side for US counties — 32.6% of adults hold a four-year degree, below the national 35.0%. A solid 14.4% of workers are based at home, close to the national 14.0%, and the average commute runs about 29 minutes each way.
High housing values reframe the income picture in Sumner County — even solid earnings stretch less against home prices and rents at this level.
Sumner County Population History (2010-2024)
The county of Sumner County had a population of 161,226 in 2010 and 211,721 in 2024, a 31.3% growth over 14 years. The peak was 211,721 in 2024. Average annual growth rate: 1.97%.
211,721
Population (2024)
161,226
Population (2010)
211,721
Peak (2024)
1.97%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 161,226 |
| 2011 | 163,713 |
| 2012 | 166,026 |
| 2013 | 168,839 |
| 2014 | 172,380 |
| 2015 | 175,467 |
| 2016 | 179,474 |
| 2017 | 184,016 |
| 2018 | 187,854 |
| 2019 | 191,497 |
| 2020 | 197,420 |
| 2021 | 200,536 |
| 2022 | 204,018 |
| 2023 | 208,423 |
| 2024 | 211,721 |
Race & Ethnicity
| White | 80.9% |
| Black or African American | 8.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.0% |
| Two or More Races | 0.0% |
Age & Sex
39.7
Median Age
51.0%
Female
49.0%
Male
16.4%
Age 65+
Age Distribution
Children (under 15): 19.1% · Seniors (65+): 16.4%
Income & Poverty
| Median household income | $86,005+$18,908 vs state |
| Mean household income | $108,835 |
| Per-capita income | $42,482 |
| Poverty rate | 6.3%-3.6% vs state |
| Unemployment rate | 2.2% |
| Employment-to-population | 64.7% |
Top Industries by Employment
The largest employment sector in Sumner County is professional & business services, accounting for 22.5% of workers.
How residents commute
0.1%
Drive alone
0.6%
Carpool
76.1%
Public transit
14.4%
Work from home
29.3 min
Avg commute
Housing
$364,000+$107,200 vs state
Median home value
$1,339
Median rent
72.2%
Homeownership rate
81,376
Total housing units
94.3%
Occupied
5.7%
Vacant
27.8%
Renter-occupied
Social & access
92.4%
With health insurance
96.4%
With broadband internet
40.1%
Foreign-born
7.4%
Veterans (18+)
12.1%
With a disability
93.3%
Speak language other than English at home
Education
91.8%
High School+
32.6%
Bachelor's+
Largest cities in Tennessee
Other counties in Tennessee
Part of Tennessee
Metro areas in Tennessee
County rankings
Frequently Asked Questions
Sumner County, Tennessee has a population of 200,553 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 8th-largest county in Tennessee. Population density is 379 people per square mile.
The population of Sumner County has grown 31.3% since 2010 (161,226 → 211,721), a +1.97% annualized rate.
The median household income in Sumner County, Tennessee is $86,005, with mean (average) household income of $108,835 and per-capita income of $42,482. 6.3% of residents live below the federal poverty level.
In Sumner County, the largest racial and ethnic groups are White (80.9%), Black or African American (8.6%), Hispanic or Latino (1.0%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Sumner County, Tennessee is 39.7 years. Residents are 51.0% female and 49.0% male.
The median home value in Sumner County is $364,000 and median monthly rent is $1,339. 72.2% of occupied housing units are owner-occupied. The county has 81,376 total housing units, 5.7% of which are vacant.
The largest employment sector in Sumner County, Tennessee is professional, scientific, and management services, employing 22.5% of workers. The unemployment rate is 2.2%.
Nashville-Davidson is among the largest cities associated with Sumner County, Tennessee, with a population of 684,298.
Sumner County, TN Climate
Sumner County, TN has an average annual temperature of 14°C (57°F) and receives about 1311 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
14°C
Avg Temp
1311
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 2° / 35° | 99 mm |
| February | 4° / 39° | 106 mm |
| March | 9° / 48° | 136 mm |
| April | 14° / 57° | 111 mm |
| May | 18° / 65° | 129 mm |
| June | 23° / 73° | 109 mm |
| July | 25° / 77° | 111 mm |
| August | 25° / 76° | 92 mm |
| September | 21° / 70° | 93 mm |
| October | 15° / 58° | 80 mm |
| November | 9° / 48° | 116 mm |
| December | 4° / 39° | 129 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Sumner County, TN
The most comfortable months to visit Sumner County, TN are typically September, June and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 31°C high). The coldest is January (near -4°C low). March is usually the wettest month.
Where to stay near Sumner County
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Population, race, income, age, and trends across Tennessee
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.