Milledgeville: Demographics & People
299 people call Milledgeville home, in 115 households. Population grew 2.8% from 291 (2022) to 299 (2024). Median age 33.7 years. (9.2y younger than McNairy County; 1.3y younger than Tennessee). Children under 18 are 31% of the population. Population is 99% White (non-Hispanic) and 1% Hispanic or Latino. The community is relatively homogeneous (Simpson index 0.01). 67% of households are family-led. County is gaining 96 residents per year (2022-2023). County health: 39% adult obesity, 25% smoke.
- 2.6 people per household (vs Tennessee avg 2.5).
- 33% non-family households (singles, roommates) (vs Tennessee 42%).
- 95 dependents per 100 working-age (youth + seniors / 18-64) (vs Tennessee 65).
Population & Trend
Population grew 2.8% from 291 (2022) to 299 (2024) — about 4.6× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~307 (extrapolated at 1.4%/yr trend). Census Bureau Vintage estimate: 318.
| Census data vintage | 2024 |
|---|---|
| Population | 17,341 people |
| Annual growth rate · Population change | 2.8% |
| Annual growth rate · Population (2022) | 291 |
| Annual growth rate · Population (2024) | 299 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | growing |
| Population | 299 people (vs Tennessee 63,091) |
| Population Estimate | 318 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 33.7y is 5.2 years younger than the U.S. median (38.9y). Children under 18 make up 31% — above the U.S. share of ~22%.
| Age Summary · Median age | 33.7 years (vs Tennessee 35.0y) |
|---|---|
| Age Summary · Children Pct | 31.1% |
| Age Summary · Character | young professional |
| Age Summary · Total Pop | 299 |
| Age Summary · Under 18 | 93 |
| Age Summary · 18 To 34 | 68.0× |
| Age Summary · 35 To 64 | 85.0× |
| Age Summary · 65 Plus | 53 |
| Population under 18 | 93 |
| Median age | 33.7 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 299 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.01 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.
| White residents | 291 |
|---|---|
| Hispanic or Latino residents | 2 |
| Diversity Index · Diversity index (Simpson) | 1.4% |
| Diversity Index · Diversity label | relatively homogeneous |
| Diversity Index · Groups counted | 2 |
| Diversity Index · Largest group share | 99.3% |
| Hispanic or Latino population | 1.0% (vs Tennessee 10.0%) |
| White (non-Hispanic) population | 99.0% (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 (7)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS).
| Residents born in this state | 231 |
|---|---|
| Residents born in another state | 68 |
| Share born in this state | 77.3% |
| Share born in another state | 22.7% |
| Native-born U.S. citizens | 22.7% |
| Total foreign-born residents | 204 |
Households & Family Composition
115 households. Averaging 2.7 people each — larger than the U.S. average of 2.5. 67% are family households — near the U.S. share of ~65%. Of 83 families, 37% are married couples with children.
| Children under 18 | 89 |
|---|---|
| Total families | 83 |
| Married couples with children | 31 |
| Single-parent households | 1 |
| Average household size | 2.69 |
| Women who gave birth (past year) | 12.9% |
| Grandparents living with grandchildren | 1 |
| Family households | 77 households (vs Tennessee 15,978) |
| Households that are families | 67.0% (vs Tennessee 58.5%) |
| Total households | 115 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. 10.4% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 96 residents per year on net (IRS migration data).
| Moved within the county (past year) | 10.4% |
|---|---|
| Migration · People moving in (annual) | 15,364 |
| Migration · People moving out (annual) | 15,268 |
| Migration · Net migration (in − out) | 96 |
| 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 | 12 |
|---|---|
| Disability rate | 4.8% |
Other
| Congressional District · District | 8 |
|---|---|
| Congressional District · Formatted | TN-08 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 47023 |
| Cdc Birth Rate · State Fips | 47 |
| Cdc Birth Rate · County Fips | 023 |
| Cdc Birth Rate · County | Chester |
| Cdc Birth Rate · Birth Rate | 17.3% |
| Cdc Birth Rate · Lower Ci | 13.50 |
| Cdc Birth Rate · Upper Ci | 21.80 |
| Cdc Mortality · Fips | 47023 |
| Cdc Mortality · County | Chester County |
| Cdc Mortality · Urban Rural | Small metro |
| Cdc Mortality · Total Deaths 2020 2023 | 484 |
| Cdc Vaccination · Fips | 47023 |
| Cdc Vaccination · County | Chester County |
| Cdc Vaccination · Dose1 Pop Pct | 40.8% |
| Cdc Vaccination · Series Complete Pct | 36.9% |
| Cdc Vaccination · Booster Pct | 46.0% |
| Cdc Vaccination · Population 2019 | 17,297 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 4.00 |
| Family Score · Schools | 6 |
| Family Score · Children Pct | 31.1% |
| Family Score · Rating | fair |
| Town Summary · Key Facts | population 299, growing, young professional, middle-class, mixed |
| Town Summary · Population | 299 people (vs Tennessee 63,091) |
| Town Summary · County | Chester County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade