Erin Springs: Demographics & People
Erin Springs's population stands at 31 people, in 20 households. Population shrank 50.8% from 63 (2022) to 31 (2024). Median age 66.8 years. (28.2y older than Garvin County; 31.6y older than Oklahoma). Population is 74% White (non-Hispanic). The community is relatively homogeneous (Simpson index 0.00). 80% of households are family-led. County is gaining 325 residents per year (2022-2023). County health: 42% adult obesity, 20% smoke.
- 1.6 people per household (vs Oklahoma avg 2.6).
- 20% non-family households (singles, roommates) (vs Oklahoma 39%).
Population & Trend
Population shrank 50.8% from 63 (2022) to 31 (2024). Estimated 2026 population: ~17 (extrapolated at -25.4%/yr trend). Census Bureau Vintage estimate: 5.
| Census data vintage | 2024 |
|---|---|
| Population | 25,656 people |
| Annual growth rate · Population change | -50.8% |
| Annual growth rate · Population (2022) | 63 |
| Annual growth rate · Population (2024) | 31 |
| Annual growth rate · Trend category | shrinking |
| Population | 31 people (vs Oklahoma 63,420) |
| Population Estimate | 5 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 66.8y is 27.9 years older than the U.S. median (38.9y).
| Age Summary · Median age | 66.8 years (vs Oklahoma 35.2y) |
|---|---|
| Age Summary · Character | retirement community |
| Age Summary · Total Pop | 31 |
| Age Summary · 18 To 34 | 4.0× |
| Age Summary · 35 To 64 | 7.0× |
| Age Summary · 65 Plus | 20 |
| Age Summary · Pct 18 To 34 | 12.9% |
| Age Summary · Pct 35 To 64 | 22.6% |
| Median age | 66.8 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 31 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.00 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.
| White residents | 56 |
|---|---|
| Diversity Index · Diversity label | relatively homogeneous |
| White (non-Hispanic) population | 74.2% (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 (3)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS).
| Residents born in this state | 31 |
|---|---|
| Share born in this state | 100.0% |
| Total foreign-born residents | 1,066 |
Households & Family Composition
20 households. Averaging 2.2 people each — smaller than the U.S. average of 2.5. 80% are family households — above the U.S. share of ~65%. Of 24 families, 0% are married couples with children.
| Total families | 24 |
|---|---|
| Average household size | 2.17 |
| Grandparents living with grandchildren | 603 |
| Grandparents responsible for grandchildren | 164 |
| Family households | 16 households (vs Oklahoma 16,590) |
| Households that are families | 80.0% (vs Oklahoma 61.1%) |
| Total households | 20 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 325 residents per year on net (IRS migration data).
| Lived in same home a year ago | 31.0% |
|---|---|
| Migration · People moving in (annual) | 23,440 |
| Migration · People moving out (annual) | 23,115 |
| Migration · Net migration (in − out) | 325 |
| 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 | 15 |
|---|---|
| Disability rate | 18.1% |
Other
| Congressional District · District | 4 |
|---|---|
| Congressional District · Formatted | OK-04 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 40049 |
| Cdc Birth Rate · State Fips | 40 |
| Cdc Birth Rate · County Fips | 049 |
| Cdc Birth Rate · County | Garvin |
| Cdc Birth Rate · Birth Rate | 37.4% |
| Cdc Birth Rate · Lower Ci | 31.60 |
| Cdc Birth Rate · Upper Ci | 43.80 |
| Cdc Mortality · Fips | 40049 |
| Cdc Mortality · County | Garvin County |
| Cdc Mortality · Urban Rural | Noncore |
| Cdc Mortality · Total Deaths 2020 2023 | 947 |
| Cdc Vaccination · Fips | 40049 |
| Cdc Vaccination · County | Garvin County |
| Cdc Vaccination · Dose1 Pop Pct | 56.7% |
| Cdc Vaccination · Series Complete Pct | 48.3% |
| Cdc Vaccination · Booster Pct | 42.9% |
| Cdc Vaccination · Population 2019 | 27,711 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 10 |
| Family Score · Schools | 20 |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 31, shrinking, retirement community, upper-middle, blue collar |
| Town Summary · Population | 31 people (vs Oklahoma 63,420) |
| Town Summary · County | Garvin County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade