Chattanooga: Demographics & People
Chattanooga is home to 406 people, in 145 households. Population grew 2.0% from 398 (2022) to 406 (2024). Median age 31.3 years. (2.8y younger than Comanche County; 3.9y younger than Oklahoma). Children under 18 are 34% of the population. Population is 83% White (non-Hispanic) and 2% Hispanic or Latino. 67% of households are family-led. County is losing 1,872 residents per year (2022-2023). County health: 44% adult obesity, 18% smoke.
- 2.8 people per household (vs Oklahoma avg 2.6).
- 33% non-family households (singles, roommates) (vs Oklahoma 39%).
- 93 dependents per 100 working-age (youth + seniors / 18-64) (vs Oklahoma 67).
Population & Trend
Population grew 2.0% from 398 (2022) to 406 (2024) — about 3.3× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~414 (extrapolated at 1.0%/yr trend). Census Bureau Vintage estimate: 425.
| Census data vintage | 2024 |
|---|---|
| Population | 121,125 people |
| Annual growth rate · Population change | 2.0% |
| Annual growth rate · Population (2022) | 398 |
| Annual growth rate · Population (2024) | 406 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | growing |
| Population | 406 people (vs Oklahoma 63,420) |
| Population Estimate | 425 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 31.3y is 7.6 years younger than the U.S. median (38.9y). Children under 18 make up 34% — above the U.S. share of ~22%.
| Age Summary · Median age | 31.3 years (vs Oklahoma 35.2y) |
|---|---|
| Age Summary · Children Pct | 34.2% |
| Age Summary · Character | young professional |
| Age Summary · Total Pop | 406 |
| Age Summary · Under 18 | 139 |
| Age Summary · 18 To 34 | 100.0× |
| Age Summary · 35 To 64 | 110.0× |
| Age Summary · 65 Plus | 57 |
| Population under 18 | 139 |
| Median age | 31.3 years (vs Oklahoma 35.2y) |
Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023 · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 406 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| White residents | 328 |
|---|---|
| Black residents | 1 |
| Asian residents | 2 |
| Hispanic or Latino residents | 18 |
| Diversity Index · Simpson Index | 32.6% |
| Diversity Index · Interpretation | less diverse |
| Asian population | 0.2% (vs Oklahoma 3.2%) |
| Black population | 0.5% (vs Oklahoma 5.5%) |
| Hispanic or Latino population | 2.5% (vs Oklahoma 12.3%) |
| White (non-Hispanic) population | 82.8% (vs Oklahoma 57.8%) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Ancestry
Self-reported ancestry from Census ACS — what residents report as their ethnic origin, separate from race. Counts can exceed population because people can list multiple ancestries.
Top (8)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS). 0.2% are foreign-born — below the U.S. average of 13.9%. 2% have naturalized to U.S. citizenship.
| Residents born in this state | 274 |
|---|---|
| Residents born in another state | 125 |
| Share born in this state | 67.5% |
| Share born in another state | 32.5% |
| Native-born U.S. citizens | 30.8% |
| Foreign-born residents | 0.2% |
| Naturalized citizens | 1.5% |
| Total foreign-born residents | 4 |
| From Africa | 4 |
Households & Family Composition
145 households. Averaging 3.0 people each — larger than the U.S. average of 2.5. 67% are family households — near the U.S. share of ~65%. Of 96 families, 35% are married couples with children.
| Children under 18 | 135 |
|---|---|
| Total families | 96 |
| Married couples with children | 34 |
| Single-parent households | 3 |
| Average household size | 2.95 |
| Women who gave birth (past year) | 11.7% |
| Grandparents living with grandchildren | 3 |
| Family households | 97 households (vs Oklahoma 16,590) |
| Households that are families | 66.9% (vs Oklahoma 61.1%) |
| Total households | 145 households (vs Oklahoma 23,671) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Residential Stability & Migration
How long residents have lived here and where they came from. 5.5% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 1,872 residents per year on net (IRS migration data).
| Moved within the county (past year) | 5.5% |
|---|---|
| Migration · People moving in (annual) | 107,520 |
| Migration · People moving out (annual) | 109,392 |
| Migration · Net migration (in − out) | -1,872 |
| Migration · Year | 2022-2023 |
Sources: IRS SOI Migration 2021-2022 · Refreshed 2026-04-12
Disability
Census ACS measures self-reported functional limitations — vision, hearing, mobility, cognitive, self-care, or independent-living. The U.S. baseline disability rate is about 12–13%; rates trend higher with median age.
| Residents with a disability | 51 |
|---|---|
| Disability rate | 11.9% |
Other
| Congressional District · District | 4 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 40031 |
| Cdc Birth Rate · State Fips | 40 |
| Cdc Birth Rate · County Fips | 031 |
| Cdc Birth Rate · County | Comanche |
| Cdc Birth Rate · Birth Rate | 33.9% |
| Cdc Birth Rate · Lower Ci | 31.00 |
| Cdc Birth Rate · Upper Ci | 36.90 |
| Cdc Mortality · Fips | 40031 |
| Cdc Mortality · County | Comanche County |
| Cdc Mortality · Urban Rural | Small metro |
| Cdc Mortality · Total Deaths 2020 2023 | 4,312 |
| Cdc Vaccination · Fips | 40031 |
| Cdc Vaccination · County | Comanche County |
| Cdc Vaccination · Dose1 Pop Pct | 79.6% |
| Cdc Vaccination · Series Complete Pct | 67.1% |
| Cdc Vaccination · Booster Pct | 35.7% |
| Cdc Vaccination · Population 2019 | 120,749 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 2.00 |
| Family Score · Schools | 2 |
| Family Score · Children Pct | 34.2% |
| Family Score · Rating | limited |
| Town Summary · Key Facts | population 406, growing, young professional, middle-class, mixed |
| Town Summary · Population | 406 people (vs Oklahoma 63,420) |
| Town Summary · County | Comanche County |
Sources: NCES school congressional district assignment · federal dataset cascade