Greentop: Demographics & People
Greentop's population stands at 331 people, in 143 households. Population shrank 9.8% from 367 (2022) to 331 (2024). Median age 50.5 years. (11.3y older than Schuyler County; 13.3y older than Missouri). Children under 18 are 16% of the population. Population is 94% White (non-Hispanic) and 2% Black. The community is relatively homogeneous (Simpson index 0.03). 54% of households are family-led. County is losing 152 residents per year (2022-2023). County health: 42% adult obesity, 20% smoke.
- 2.3 people per household (vs Missouri avg 2.4).
- 46% non-family households (singles, roommates) (vs Missouri 42%).
- 67 dependents per 100 working-age (youth + seniors / 18-64) (vs Missouri 67).
Population & Trend
Population shrank 9.8% from 367 (2022) to 331 (2024). Estimated 2026 population: ~299 (extrapolated at -4.9%/yr trend). Census Bureau Vintage estimate: 260.
| Census data vintage | 2024 |
|---|---|
| Population | 25,314 people |
| Annual growth rate · Population change | -9.8% |
| Annual growth rate · Population (2022) | 367 |
| Annual growth rate · Population (2024) | 331 |
| Annual growth rate · Trend category | shrinking |
| Population | 331 people (vs Missouri 29,363) |
| Population Estimate | 260 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 50.5y is 11.6 years older than the U.S. median (38.9y). Children under 18 make up 16% — below the U.S. share of ~22%.
| Age Summary · Median age | 50.5 years (vs Missouri 37.2y) |
|---|---|
| Age Summary · Children Pct | 15.7% |
| Age Summary · Character | retirement community |
| Age Summary · Total Pop | 331 |
| Age Summary · Under 18 | 52 |
| Age Summary · 18 To 34 | 75.0× |
| Age Summary · 35 To 64 | 123.0× |
| Age Summary · 65 Plus | 81 |
| Population under 18 | 52 |
| Median age | 50.5 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 331 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.03 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.
| White residents | 350 |
|---|---|
| Black residents | 3 |
| Hispanic or Latino residents | 2 |
| Diversity Index · Diversity index (Simpson) | 2.8% |
| Diversity Index · Diversity label | relatively homogeneous |
| Diversity Index · Groups counted | 3 |
| Diversity Index · Largest group share | 98.6% |
| Black population | 1.8% (vs Missouri 6.6%) |
| Hispanic or Latino population | 0.3% (vs Missouri 5.3%) |
| White (non-Hispanic) population | 94.0% (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). 2.7% are foreign-born — below the U.S. average of 13.9%. 2% have naturalized to U.S. citizenship.
| Residents born in this state | 230 |
|---|---|
| Residents born in another state | 86 |
| Share born in this state | 69.5% |
| Share born in another state | 30.5% |
| Native-born U.S. citizens | 26.0% |
| Foreign-born residents | 2.7% |
| Naturalized citizens | 1.8% |
| Total foreign-born residents | 4 |
Households & Family Composition
143 households. Averaging 2.2 people each — smaller than the U.S. average of 2.5. 54% are family households — below the U.S. share of ~65%. Of 90 families, 18% are married couples with children.
| Children under 18 | 59 |
|---|---|
| Total families | 90 |
| Married couples with children | 16 |
| Single-parent households | 3 |
| Average household size | 2.20 |
| Women who gave birth (past year) | 8.6% |
| Grandparents living with grandchildren | 62 |
| Grandparents responsible for grandchildren | 16 |
| Family households | 78 households (vs Missouri 7,284) |
| Households that are families | 54.5% (vs Missouri 58.3%) |
| Total households | 143 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. 11.8% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 152 residents per year on net (IRS migration data).
| Moved within the county (past year) | 11.8% |
|---|---|
| Migration · People moving in (annual) | 20,214 |
| Migration · People moving out (annual) | 20,366 |
| Migration · Net migration (in − out) | -152 |
| 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 | 37 |
|---|---|
| Disability rate | 6.8% |
Other
| Congressional District · District | 6 |
|---|---|
| Congressional District · Formatted | MO-06 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 29001 |
| Cdc Birth Rate · State Fips | 29 |
| Cdc Birth Rate · County Fips | 001 |
| Cdc Birth Rate · County | Adair |
| Cdc Birth Rate · Birth Rate | 9.0% |
| Cdc Birth Rate · Lower Ci | 7.10 |
| Cdc Birth Rate · Upper Ci | 11.30 |
| Cdc Mortality · Fips | 29001 |
| Cdc Mortality · County | Adair County |
| Cdc Mortality · Urban Rural | Micropolitan |
| Cdc Mortality · Total Deaths 2020 2023 | 792 |
| Cdc Vaccination · Fips | 29001 |
| Cdc Vaccination · County | Adair County |
| Cdc Vaccination · Dose1 Pop Pct | 54.8% |
| Cdc Vaccination · Series Complete Pct | 47.9% |
| Cdc Vaccination · Booster Pct | 49.4% |
| Cdc Vaccination · Population 2019 | 25,343 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 5.50 |
| Family Score · Schools | 9 |
| Family Score · Children Pct | 15.7% |
| Family Score · Rating | good |
| Town Summary · Key Facts | population 331, shrinking, retirement community, middle-class, mixed |
| Town Summary · Population | 331 people (vs Missouri 29,363) |
| Town Summary · County | Adair County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade