Middleberg: Demographics & People
Middleberg's population stands at 218 people, in 114 households. Population shrank 8.8% from 239 (2022) to 218 (2024). Median age 45.4 years. (5.4y older than Grady County; 10.2y older than Oklahoma). Children under 18 are 31% of the population. Population is 65% White (non-Hispanic) and 22% Hispanic or Latino. The community is somewhat diverse (Simpson index 0.30). 100% of households are family-led. County is gaining 2,019 residents per year (2022-2023). County health: 41% adult obesity, 17% smoke.
- 1.9 people per household (vs Oklahoma avg 2.6).
- 0% non-family households (singles, roommates) (vs Oklahoma 39%).
- 289 dependents per 100 working-age (youth + seniors / 18-64) (vs Oklahoma 67).
Population & Trend
Population shrank 8.8% from 239 (2022) to 218 (2024). Estimated 2026 population: ~199 (extrapolated at -4.4%/yr trend). Census Bureau Vintage estimate: 175.
| Census data vintage | 2024 |
|---|---|
| Population | 54,795 people |
| Annual growth rate · Population change | -8.8% |
| Annual growth rate · Population (2022) | 239 |
| Annual growth rate · Population (2024) | 218 |
| Annual growth rate · Trend category | shrinking |
| Population | 218 people (vs Oklahoma 63,420) |
| Population Estimate | 175 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 45.4y is 6.5 years older than the U.S. median (38.9y). Children under 18 make up 31% — above the U.S. share of ~22%.
| Age Summary · Median age | 45.4 years (vs Oklahoma 35.2y) |
|---|---|
| Age Summary · Children Pct | 30.7% |
| Age Summary · Character | established |
| Age Summary · Total Pop | 218 |
| Age Summary · Under 18 | 67 |
| Age Summary · 35 To 64 | 56.0× |
| Age Summary · 65 Plus | 95 |
| Age Summary · Pct Under 18 | 30.7% |
| Population under 18 | 67 |
| Median age | 45.4 years (vs Oklahoma 35.2y) |
Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023 · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 218 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.30 (0 = single group, 1 = perfectly even distribution); this is read as somewhat diverse.
| White residents | 171 |
|---|---|
| Hispanic or Latino residents | 38 |
| Diversity Index · Diversity index (Simpson) | 29.8% |
| Diversity Index · Diversity label | somewhat diverse |
| Diversity Index · Groups counted | 2 |
| Diversity Index · Largest group share | 81.8% |
| Hispanic or Latino population | 22.5% (vs Oklahoma 12.3%) |
| White (non-Hispanic) population | 64.7% (vs Oklahoma 57.8%) |
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 (4)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS).
| Residents born in this state | 93 |
|---|---|
| Residents born in another state | 125 |
| Share born in this state | 42.7% |
| Share born in another state | 57.3% |
| Native-born U.S. citizens | 57.3% |
| Total foreign-born residents | 1,125 |
Households & Family Composition
114 households. Averaging 1.9 people each — smaller than the U.S. average of 2.5. 100% are family households — above the U.S. share of ~65%. Of 125 families, 19% are married couples with children.
| Children under 18 | 53 |
|---|---|
| Total families | 125 |
| Married couples with children | 24 |
| Single-parent households | 4 |
| Average household size | 1.91 |
| Grandparents living with grandchildren | 1,020 |
| Grandparents responsible for grandchildren | 446 |
| Family households | 114 households (vs Oklahoma 16,590) |
| Households that are families | 100.0% (vs Oklahoma 61.1%) |
| Total households | 114 households (vs Oklahoma 23,671) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Residential Stability & Migration
How long residents have lived here and where they came from. The surrounding county is gaining 2,019 residents per year on net (IRS migration data).
| Migration · People moving in (annual) | 52,349 |
|---|---|
| Migration · People moving out (annual) | 50,330 |
| Migration · Net migration (in − out) | 2,019 |
| 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 | 78 |
|---|---|
| Disability rate | 58.6% |
Other
| Congressional District · District | 4 |
|---|---|
| Congressional District · Formatted | OK-04 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 40051 |
| Cdc Birth Rate · State Fips | 40 |
| Cdc Birth Rate · County Fips | 051 |
| Cdc Birth Rate · County | Grady |
| Cdc Birth Rate · Birth Rate | 24.4% |
| Cdc Birth Rate · Lower Ci | 21.10 |
| Cdc Birth Rate · Upper Ci | 28.10 |
| Cdc Mortality · Fips | 40051 |
| Cdc Mortality · County | Grady County |
| Cdc Mortality · Urban Rural | Large fringe metro |
| Cdc Mortality · Total Deaths 2020 2023 | 1,691 |
| Cdc Vaccination · Fips | 40051 |
| Cdc Vaccination · County | Grady County |
| Cdc Vaccination · Dose1 Pop Pct | 48.9% |
| Cdc Vaccination · Series Complete Pct | 40.2% |
| Cdc Vaccination · Booster Pct | 42.6% |
| Cdc Vaccination · Population 2019 | 55,834 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 10 |
| Family Score · Schools | 20 |
| Family Score · Children Pct | 30.7% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 218, shrinking, established, affluent, white collar |
| Town Summary · Population | 218 people (vs Oklahoma 63,420) |
| Town Summary · County | Grady County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade