Fall Branch: Demographics & People
Census counts 1,160 people in Fall Branch, in 512 households. Population grew 7.7% from 1,077 (2022) to 1,160 (2024). Median age 50.2 years. (10.0y older than Washington County; 15.2y older than Tennessee). Children under 18 are 15% of the population. Population is 99% White (non-Hispanic). The community is relatively homogeneous (Simpson index 0.00). 74% of households are family-led. County is gaining 4,705 residents per year (2022-2023). County health: 38% adult obesity, 23% smoke.
- 2.3 people per household (vs Tennessee avg 2.5).
- 26% non-family households (singles, roommates) (vs Tennessee 42%).
- 68 dependents per 100 working-age (youth + seniors / 18-64) (vs Tennessee 65).
Population & Trend
Population grew 7.7% from 1,077 (2022) to 1,160 (2024) — about 12.8× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~1,251 (extrapolated at 3.9%/yr trend). Census Bureau Vintage estimate: 1,379.
| Census data vintage | 2024 |
|---|---|
| Population | 70,152 people |
| Annual growth rate · Population change | 7.7% |
| Annual growth rate · Population (2022) | 1,077 |
| Annual growth rate · Population (2024) | 1,160 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | booming |
| Population | 1,160 people (vs Tennessee 63,091) |
| Population Estimate | 1,379 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 50.2y is 11.3 years older than the U.S. median (38.9y). Children under 18 make up 15% — below the U.S. share of ~22%.
| Age Summary · Median age | 50.2 years (vs Tennessee 35.0y) |
|---|---|
| Age Summary · Children Pct | 15.3% |
| Age Summary · Character | retirement community |
| Age Summary · Total Pop | 1,160 |
| Age Summary · Under 18 | 177 |
| Age Summary · 18 To 34 | 146.0× |
| Age Summary · 35 To 64 | 546.0× |
| Age Summary · 65 Plus | 291 |
| Population under 18 | 177 |
| Median age | 50.2 years (vs Tennessee 35.0y) |
Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023 · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 1,160 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.00 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.
| White residents | 1,065 |
|---|---|
| Diversity Index · Diversity label | relatively homogeneous |
| Diversity Index · Groups counted | 1 |
| Diversity Index · Largest group share | 100.0% |
| White (non-Hispanic) population | 98.7% (vs Tennessee 66.3%) |
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 (5)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS).
| Residents born in this state | 860 |
|---|---|
| Residents born in another state | 276 |
| Share born in this state | 74.1% |
| Share born in another state | 25.9% |
| Native-born U.S. citizens | 23.8% |
| Naturalized citizens | 2.1% |
| Total foreign-born residents | 34 |
Households & Family Composition
512 households. Averaging 2.4 people each — smaller than the U.S. average of 2.5. 74% are family households — above the U.S. share of ~65%. Of 307 families, 22% are married couples with children.
| Children under 18 | 163 |
|---|---|
| Total families | 307 |
| Married couples with children | 67 |
| Single-parent households | 8 |
| Average household size | 2.36 |
| Women who gave birth (past year) | 13.4% |
| Grandparents living with grandchildren | 15 |
| Family households | 377 households (vs Tennessee 15,978) |
| Households that are families | 73.6% (vs Tennessee 58.5%) |
| Total households | 512 households (vs Tennessee 25,255) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Residential Stability & Migration
How long residents have lived here and where they came from. 11.5% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 4,705 residents per year on net (IRS migration data).
| Moved within the county (past year) | 11.5% |
|---|---|
| Migration · People moving in (annual) | 65,329 |
| Migration · People moving out (annual) | 60,624 |
| Migration · Net migration (in − out) | 4,705 |
| Migration · Population growing | Yes |
| 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 | 114 |
|---|---|
| Disability rate | 11.6% |
Other
| Congressional District · District | 1 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 47059 |
| Cdc Birth Rate · State Fips | 47 |
| Cdc Birth Rate · County Fips | 059 |
| Cdc Birth Rate · County | Greene |
| Cdc Birth Rate · Birth Rate | 27.6% |
| Cdc Birth Rate · Lower Ci | 24.20 |
| Cdc Birth Rate · Upper Ci | 31.30 |
| Cdc Mortality · Fips | 47059 |
| Cdc Mortality · County | Greene County |
| Cdc Mortality · Urban Rural | Micropolitan |
| Cdc Mortality · Total Deaths 2020 2023 | 3,245 |
| Cdc Vaccination · Fips | 47059 |
| Cdc Vaccination · County | Greene County |
| Cdc Vaccination · Dose1 Pop Pct | 52.7% |
| Cdc Vaccination · Series Complete Pct | 47.5% |
| Cdc Vaccination · Booster Pct | 48.6% |
| Cdc Vaccination · Population 2019 | 69,069 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 1.50 |
| Family Score · Schools | 1 |
| Family Score · Children Pct | 15.3% |
| Family Score · Rating | limited |
| Town Summary · Key Facts | population 1,160, booming, retirement community, middle-class, white collar |
| Town Summary · Population | 1,160 people (vs Tennessee 63,091) |
| Town Summary · County | Greene County |
Sources: NCES school congressional district assignment · federal dataset cascade