Union: Demographics & People
Census counts 2,090 people in Union, in 744 households. Population shrank 8.7% from 2,289 (2022) to 2,090 (2024). Median age 37.8 years. (0.8y younger than Newton County; 1.2y older than Mississippi). Children under 18 are 31% of the population. Population is 53% White (non-Hispanic) and 41% Black. The community is moderately diverse (Simpson index 0.50). 72% of households are family-led. County is losing 436 residents per year (2022-2023). County health: 42% adult obesity, 24% smoke.
- 2.8 people per household (vs Mississippi avg 2.5).
- 28% non-family households (singles, roommates) (vs Mississippi 39%).
- 95 dependents per 100 working-age (youth + seniors / 18-64) (vs Mississippi 68).
Population & Trend
Population shrank 8.7% from 2,289 (2022) to 2,090 (2024). Estimated 2026 population: ~1,912 (extrapolated at -4.3%/yr trend). Census Bureau Vintage estimate: 1,690.
| Census data vintage | 2024 |
|---|---|
| Population | 29,087 people |
| Annual growth rate · Population change | -8.7% |
| Annual growth rate · Population (2022) | 2,289 |
| Annual growth rate · Population (2024) | 2,090 |
| Annual growth rate · Trend category | shrinking |
| Population | 2,090 people (vs Mississippi 18,646) |
| Population Estimate | 1,690 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 37.8y is 1.1 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 | 37.8 years (vs Mississippi 36.6y) |
|---|---|
| Age Summary · Children Pct | 31.0% |
| Age Summary · Character | family-oriented |
| Age Summary · Total Pop | 2,090 |
| Age Summary · Under 18 | 648 |
| Age Summary · 18 To 34 | 363.0× |
| Age Summary · 35 To 64 | 710.0× |
| Age Summary · 65 Plus | 369 |
| Population under 18 | 648 |
| Median age | 37.8 years (vs Mississippi 36.6y) |
Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023 · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 2,090 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.50 (0 = single group, 1 = perfectly even distribution); this is read as moderately diverse.
| White residents | 1,109 |
|---|---|
| Black residents | 1,032 |
| Asian residents | 1 |
| Hispanic or Latino residents | 10 |
| Diversity Index · Diversity index (Simpson) | 50.4% |
| Diversity Index · Diversity label | moderately diverse |
| Diversity Index · Groups counted | 4 |
| Diversity Index · Largest group share | 51.5% |
| Black population | 40.9% (vs Mississippi 39.3%) |
| Hispanic or Latino population | 0.4% (vs Mississippi 3.8%) |
| White (non-Hispanic) population | 52.7% (vs Mississippi 47.3%) |
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 (8)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS). 1.9% are foreign-born — below the U.S. average of 13.9%. 1% have naturalized to U.S. citizenship.
| Residents born in this state | 1,737 |
|---|---|
| Residents born in another state | 297 |
| Share born in this state | 83.1% |
| Share born in another state | 16.9% |
| Native-born U.S. citizens | 14.2% |
| Foreign-born residents | 1.9% |
| Naturalized citizens | 0.8% |
| Total foreign-born residents | 4 |
| From Europe | 1 |
| From Asia | 1 |
| From Africa | 1 |
Households & Family Composition
744 households. Averaging 2.7 people each — larger than the U.S. average of 2.5. 72% are family households — above the U.S. share of ~65%. Of 511 families, 22% are married couples with children.
| Children under 18 | 716 |
|---|---|
| Total families | 511 |
| Married couples with children | 114 |
| Average household size | 2.71 |
| Women who gave birth (past year) | 16.5% |
| Grandparents living with grandchildren | 41 |
| Grandparents responsible for grandchildren | 7 |
| Family households | 533 households (vs Mississippi 4,658) |
| Households that are families | 71.6% (vs Mississippi 60.9%) |
| Total households | 744 households (vs Mississippi 7,397) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Residential Stability & Migration
How long residents have lived here and where they came from. 14.2% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 436 residents per year on net (IRS migration data).
| Moved within the county (past year) | 14.2% |
|---|---|
| Migration · People moving in (annual) | 24,210 |
| Migration · People moving out (annual) | 24,646 |
| Migration · Net migration (in − out) | -436 |
| 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 | 308 |
|---|---|
| Disability rate | 11.4% |
Group Quarters
Group quarters are non-household living arrangements counted by the Census — college dormitories, nursing homes, military barracks, group homes, correctional facilities, and similar institutional or shared housing. 114 residents live in group quarters (5.5% of population).
| Living in group quarters | 114 |
|---|
Other
| Congressional District · District | 3 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 28099 |
| Cdc Birth Rate · State Fips | 28 |
| Cdc Birth Rate · County Fips | 099 |
| Cdc Birth Rate · County | Neshoba |
| Cdc Birth Rate · Birth Rate | 39.9% |
| Cdc Birth Rate · Lower Ci | 34.50 |
| Cdc Birth Rate · Upper Ci | 45.90 |
| Cdc Mortality · Fips | 28099 |
| Cdc Mortality · County | Neshoba County |
| Cdc Mortality · Urban Rural | Noncore |
| Cdc Mortality · Total Deaths 2020 2023 | 1,137 |
| Cdc Vaccination · Fips | 28099 |
| Cdc Vaccination · County | Neshoba County |
| Cdc Vaccination · Dose1 Pop Pct | 53.1% |
| Cdc Vaccination · Series Complete Pct | 44.6% |
| Cdc Vaccination · Booster Pct | 42.3% |
| Cdc Vaccination · Population 2019 | 29,118 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 2.50 |
| Family Score · Schools | 3 |
| Family Score · Children Pct | 31.0% |
| Family Score · Rating | limited |
| Town Summary · Key Facts | population 2,090, shrinking, family-oriented, working-class, mixed |
| Town Summary · Population | 2,090 people (vs Mississippi 18,646) |
| Town Summary · County | Neshoba County |
Sources: NCES school congressional district assignment · federal dataset cascade