Mountain Grove: Demographics & People
4,491 people call Mountain Grove home, in 1,957 households. Population shrank 0.1% from 4,494 (2022) to 4,491 (2024). Median age 43.2 years. (2.1y older than Wright County; 6.0y older than Missouri). Children under 18 are 23% of the population. Population is 86% White (non-Hispanic) and 3% Hispanic or Latino. The community is relatively homogeneous (Simpson index 0.10). 66% of households are family-led. County is gaining 648 residents per year (2022-2023). County health: 41% adult obesity, 22% smoke.
- 2.3 people per household (vs Missouri avg 2.4).
- 34% non-family households (singles, roommates) (vs Missouri 42%).
- 87 dependents per 100 working-age (youth + seniors / 18-64) (vs Missouri 67).
Population & Trend
Population shrank 0.1% from 4,494 (2022) to 4,491 (2024). Estimated 2026 population: ~4,487 (extrapolated at -0.0%/yr trend).
| Census data vintage | 2024 |
|---|---|
| Population | 24,487 people |
| Annual growth rate · Population change | -0.1% |
| Annual growth rate · Population (2022) | 4,494 |
| Annual growth rate · Population (2024) | 4,491 |
| Annual growth rate · Trend category | stable |
| Population | 4,491 people (vs Missouri 29,363) |
| Population Estimate | 4,483 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 43.2y is 4.3 years older than the U.S. median (38.9y). Children under 18 make up 23% — near the U.S. share of ~22%.
| Age Summary · Median age | 43.2 years (vs Missouri 37.2y) |
|---|---|
| Age Summary · Children Pct | 22.7% |
| Age Summary · Character | established |
| Age Summary · Total Pop | 4,491 |
| Age Summary · Under 18 | 1,020 |
| Age Summary · 18 To 34 | 817.0× |
| Age Summary · 35 To 64 | 1,585.0× |
| Age Summary · 65 Plus | 1,069 |
| Population under 18 | 1,020 |
| Median age | 43.2 years (vs Missouri 37.2y) |
Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023 · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 4,491 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.10 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.
| White residents | 3,936 |
|---|---|
| Black residents | 1 |
| Asian residents | 73 |
| Hispanic or Latino residents | 140 |
| Diversity Index · Diversity index (Simpson) | 9.9% |
| Diversity Index · Diversity label | relatively homogeneous |
| Diversity Index · Groups counted | 4 |
| Diversity Index · Largest group share | 94.8% |
| Asian population | 1.3% (vs Missouri 1.9%) |
| Hispanic or Latino population | 2.9% (vs Missouri 5.3%) |
| White (non-Hispanic) population | 86.2% (vs Missouri 77.7%) |
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).
| Residents born in this state | 2,505 |
|---|---|
| Residents born in another state | 1,914 |
| Share born in this state | 55.8% |
| Share born in another state | 44.2% |
| Native-born U.S. citizens | 42.6% |
| Naturalized citizens | 1.6% |
| Total foreign-born residents | 70 |
| From Europe | 13 |
| From Africa | 57 |
Households & Family Composition
1,957 households. Averaging 2.4 people each — smaller than the U.S. average of 2.5. 66% are family households — near the U.S. share of ~65%. Of 1,372 families, 32% are married couples with children.
| Children under 18 | 1,115 |
|---|---|
| Total families | 1,372 |
| Married couples with children | 435 |
| Average household size | 2.40 |
| Women who gave birth (past year) | 22.6% |
| Grandparents living with grandchildren | 29 |
| Family households | 1,293 households (vs Missouri 7,284) |
| Households that are families | 66.1% (vs Missouri 58.3%) |
| Total households | 1,957 households (vs Missouri 11,992) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Residential Stability & Migration
How long residents have lived here and where they came from. 6.8% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 648 residents per year on net (IRS migration data).
| Moved within the county (past year) | 6.8% |
|---|---|
| Migration · People moving in (annual) | 21,857 |
| Migration · People moving out (annual) | 21,209 |
| Migration · Net migration (in − out) | 648 |
| 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 | 439 |
|---|---|
| Disability rate | 9.9% |
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. 66 residents live in group quarters (1.5% of population).
| Living in group quarters | 66 |
|---|
Other
| Congressional District · District | 8 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 29215 |
| Cdc Birth Rate · State Fips | 29 |
| Cdc Birth Rate · County Fips | 215 |
| Cdc Birth Rate · County | Texas |
| Cdc Birth Rate · Birth Rate | 32.9% |
| Cdc Birth Rate · Lower Ci | 27.00 |
| Cdc Birth Rate · Upper Ci | 39.70 |
| Cdc Mortality · Fips | 29215 |
| Cdc Mortality · County | Texas County |
| Cdc Mortality · Urban Rural | Noncore |
| Cdc Mortality · Total Deaths 2020 2023 | 1,090 |
| Cdc Vaccination · Fips | 29215 |
| Cdc Vaccination · County | Texas County |
| Cdc Vaccination · Dose1 Pop Pct | 38.6% |
| Cdc Vaccination · Series Complete Pct | 33.8% |
| Cdc Vaccination · Booster Pct | 44.5% |
| Cdc Vaccination · Population 2019 | 25,398 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 5.40 |
| Family Score · Schools | 7 |
| Family Score · Childcare Centers | 3 |
| Family Score · Children Pct | 22.7% |
| Family Score · Rating | good |
| Town Summary · Key Facts | population 4,491, stable, established, working-class, mixed |
| Town Summary · Population | 4,491 people (vs Missouri 29,363) |
| Town Summary · County | Texas County |
Sources: NCES school congressional district assignment · federal dataset cascade