Demographics · TN
Chattanooga, TN demographics: 185,783 residents, with a median age of 36.3 years, from the U.S. Census Bureau's American Community Survey 2020–2024 (5-year estimates).
185,783people are estimated in Chattanooga, at a median age of 36.3 years (American Community Survey 2020–2024 period estimate)
Median age 36.3 years — younger than the U.S. median of 38.9.
ACS 2020–2024 5-year · ACS 5-Year Estimates 2020-2024 (released 2026-01-29)
In Chattanooga, the largest race group is White (57.5%); 10.0% of residents are Hispanic or Latino (of any race); 8.3% were born outside the United States.
ACS 2020–2024 · B01001 / B01002
The estimated median age in Chattanooga is 36.3 years (±0.6), compared with the U.S. estimate of 38.9 ± 0.1 years. These are descriptive comparisons, not significance tests. The population is 48.4% ± 0.6 percentage points male and 51.6% ± 0.6 percentage points female. The largest age band is 25 to 34 at 16.5%.
| Age band | People | Share | ± margin |
|---|---|---|---|
| Under 5 | 11,793 | 6.3% ± 0.4 percentage points | ±678 |
| 5 to 17 | 27,275 | 14.7% ± 0.7 percentage points | ±1,238 |
| 18 to 24 | 19,187 | 10.3% ± 0.6 percentage points | ±1,042 |
| 25 to 34 | 30,622 | 16.5% ± 0.6 percentage points | ±1,049 |
| 35 to 44 | 24,368 | 13.1% ± 0.7 percentage points | ±1,218 |
| 45 to 54 | 19,409 | 10.4% ± 0.5 percentage points | ±838 |
| 55 to 64 | 20,939 | 11.3% ± 0.6 percentage points | ±1,143 |
| 65 to 74 | 19,288 | 10.4% ± 0.5 percentage points | ±1,007 |
| 75 and over | 12,902 | 6.9% ± 0.4 percentage points | ±776 |
Median age by sex: 34.8 (male) · 38.0 (female).
Shares may not sum to 100% due to rounding. Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B01001 sex by age, B01002 median age) · place-grain · margins of error at the 90% confidence level · methodology →
ACS 2020–2024 · B02001 / B03003
The largest race group in Chattanooga is White at 57.5% of the population. Separately, 10.0% of residents are Hispanic or Latino of any race.Race and Hispanic origin are two different questions on the census form, so their shares are reported separately and are not additive.
| Race (alone, or two or more) | People | Share | ± margin |
|---|---|---|---|
| White alone | 106,774 | 57.5% ± 1.0 percentage points | ±1,911 |
| Black or African American alone | 51,709 | 27.8% ± 0.9 percentage points | ±1,748 |
| American Indian & Alaska Native alone | 787 | 0.4% ± 0.3 percentage points | ±611 · low precision |
| Asian alone | 4,228 | 2.3% ± 0.3 percentage points | ±561 |
| Native Hawaiian & Pacific Islander alone | 32 | 0.0% ± 0.0 percentage points | ±39 · low precision |
| Some other race alone | 6,964 | 3.7% ± 0.6 percentage points | ±1,071 |
| Two or more races | 15,289 | 8.2% ± 0.9 percentage points | ±1,713 |
| Hispanic or Latino (of any race) | 18,563 | 10.0% ± 0.7 percentage points | ±1,349 |
Race shares may not sum to 100% due to rounding; race and Hispanic origin are separate questions and are not additive. Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B02001 race, B03003 Hispanic or Latino origin) · place-grain · margins of error at the 90% confidence level · methodology →
ACS 2020–2024 · B11001 / B25010
Chattanooga has 79,084 households. 54.0% are family households and 37.1% are people living alone. The average household holds 2.26 people.
Total households
79,084
ACS 2020–2024 5-yr · B11001
Avg household size
2.26
ACS 2020–2024 5-yr · B25010 · ±0.03
Family households
54.0% ± 1.2 percentage points
Share of all households · B11001
Living alone
37.1% ± 1.6 percentage points
Share of all households · B11001
| Household type | Households | ± margin |
|---|---|---|
| Total households | 79,084 | ±1,111 |
| Family households | 42,722 | ±1,119 |
| Nonfamily households | 36,362 | ±1,497 |
| Householder living alone | 29,346 | ±1,352 |
Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B11001 household type, B25010 average household size) · place-grain · methodology →
ACS 2020–2024 · B05002 / C16001
8.3% of Chattanooga residents were born outside the United States. 88.0% of residents age 5 and over speak only English at home. The most-spoken non-English language at home is Spanish (7.8%).
| Measure | Value | Source / grain |
|---|---|---|
| Foreign-born share | 8.3% ± 0.6 percentage points | 15,471 people · B05002 |
| Speak only English at home (age 5+) | 88.0% ± 1.0 percentage points | C16001 |
| Top non-English language at home | 7.8% ± 0.7 percentage points | Spanish · 13,601 speakers · C16001 |
Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B05002 place of birth, C16001 language spoken at home) · place-grain · methodology →
ACS 2020–2024 · B15003
36.0% ± 1.3 percentage points of adults age 25 and over in Chattanooga hold a bachelor's degree or higher. The U.S. estimate is 35.7%.
| Measure | Value | Source / grain |
|---|---|---|
| Bachelor's degree or higher (age 25+) | 36.0% | B15003 lines 22–25 over line 1 · place-grain |
Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B15003 educational attainment, population 25+) · place-grain · methodology →
Sources · provenance
The GEOID for Chattanooga is 4714000. Every figure on this page is a place-grain American Community Survey 5-Year 2020–2024 estimate (ACS 5-Year Estimates 2020-2024 (released 2026-01-29)) shown with its margin of error. Full per-dataset detail: /sources/.