Gallatin, Tennessee Demographics & Population 2026
During the 2020–2024 ACS period, Gallatin, Tennessee had a total population of 48,532, the 17th largest city in Tennessee, with a median household income of $77,518, which is 11% higher than the state average. The poverty rate is 13.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Gallatin Quick Facts
How Gallatin Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 46,667 | 48,532 | +4.0% |
| Median household income | $73,589 | $77,518 | +5.3% |
| Median home value | $343,700 | $372,000 | +8.2% |
How Gallatin Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 46 | National average: 61
Education
Educational Attainment (Adults 25+)
Gallatin Rankings in Tennessee
Explore Tennessee Rankings
Other Cities in Sumner County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Hendersonville | 63,091 | $97,200 | 6.3% | $430,700 |
| White House | 14,631 | $90,019 | 7.0% | $344,800 |
| Portland | 13,449 | $72,647 | 11.2% | $282,200 |
| Millersville | 5,836 | $71,789 | 10.5% | $309,900 |
| Shackle Island | 4,404 | $130,125 | 6.7% | $540,400 |
| Westmoreland | 2,845 | $59,405 | 13.9% | $241,700 |
| Castalian Springs | 678 | $57,917 | 9.3% | $283,100 |
| Walnut Grove (Sumner County) | 575 | $101,806 | 0.0% | $502,300 |
| Cottontown | 374 | N/A | 3.7% | $441,700 |
| Fairfield | 351 | N/A | 24.5% | N/A |
Cities Similar to Gallatin
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Lebanon | 44,788 | $72,848 | $378,400 | 30.8% | 13.1% |
| Cleveland | 48,829 | $58,559 | $272,200 | 30.2% | 16.7% |
| Columbia | 45,441 | $63,719 | $308,700 | 25.4% | 14.2% |
| Smyrna | 56,692 | $81,926 | $358,300 | 27.8% | 12.5% |
| La Vergne | 40,243 | $81,313 | $309,900 | 23.7% | 15.1% |
Population Overview
Gallatin is a mid-sized community located in Tennessee, within Sumner County. The total population is 48,532. It ranks as the 17th most populous out of 502 Census-designated places in Tennessee.
Age Demographics
The median age in Gallatin is 36.6 years. This is 6% lower than the state median of 38.9 years.
Economy, Income & Housing
The median household income in Gallatin is $77,518. This is 11% higher than the state median of $69,595. It is also 4% lower than the national median of $80,734. The poverty rate stands at 13.0%. This is 6% lower than the state poverty rate of 13.8%. The unemployment rate is 3.1%. This is 34% lower than the state rate of 4.7%. The median home value is $372,000. Housing costs are 30% higher than the state median of $286,700. The home-value-to-income ratio is 4.8x. 57.1% of occupied housing units are owner-occupied. This homeownership rate is 15% lower than the state average of 66.9%.
Race & Ethnicity
The largest racial or ethnic group in Gallatin is White (non-Hispanic), making up 66.6% of the population. Black or African American residents account for 14.5%. The Hispanic or Latino population is significantly higher than the state average (11.2% vs 7.4%).
Education
33.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 8% higher than the state rate of 31.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 91.3%.
Data Sources & Methodology
All demographic data for Gallatin, Tennessee is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Tennessee state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 502 Census-designated places in Tennessee. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Gallatin, Tennessee?
Gallatin, Tennessee has a population of 48,532 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Gallatin, TN?
The median household income in Gallatin is $77,518, which is 4% lower than the national median of $80,734.
What is the poverty rate in Gallatin, TN?
The poverty rate in Gallatin is 13.0%. This means approximately 6,153 residents live below the federal poverty line.
What is the racial makeup of Gallatin, Tennessee?
Gallatin's population is 66.6% White, 14.5% Black, 11.2% Hispanic/Latino, and 2.0% Asian.
What is the median home value in Gallatin, TN?
The median home value in Gallatin is $372,000. The home-value-to-income ratio is 4.8x.
How educated is Gallatin, Tennessee?
33.5% of adults (25+) in Gallatin hold a bachelor's degree or higher, and 11.9% hold a graduate or professional degree.