Fairfax: Demographics & People
Census counts 1,076 people in Fairfax, in 442 households. Population grew 5.7% from 1,018 (2022) to 1,076 (2024). Median age 47.1 years. (3.9y older than Osage County; 11.9y older than Oklahoma). Children under 18 are 23% of the population. Population is 60% White (non-Hispanic) and 4% Black. The community is somewhat diverse (Simpson index 0.21). 64% of households are family-led. County is gaining 1,883 residents per year (2022-2023). County health: 40% adult obesity, 19% smoke.
- 2.4 people per household (vs Oklahoma avg 2.6).
- 36% non-family households (singles, roommates) (vs Oklahoma 39%).
- 78 dependents per 100 working-age (youth + seniors / 18-64) (vs Oklahoma 67).
Population & Trend
Population grew 5.7% from 1,018 (2022) to 1,076 (2024) — about 9.5× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~1,138 (extrapolated at 2.9%/yr trend). Census Bureau Vintage estimate: 1,224.
| Census data vintage | 2024 |
|---|---|
| Population | 45,818 people |
| Annual growth rate · Population change | 5.7% |
| Annual growth rate · Population (2022) | 1,018 |
| Annual growth rate · Population (2024) | 1,076 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | booming |
| Population | 1,076 people (vs Oklahoma 63,420) |
| Population Estimate | 1,224 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 47.1y is 8.2 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 | 47.1 years (vs Oklahoma 35.2y) |
|---|---|
| Age Summary · Children Pct | 22.7% |
| Age Summary · Character | established |
| Age Summary · Total Pop | 1,076 |
| Age Summary · Under 18 | 244 |
| Age Summary · 18 To 34 | 171.0× |
| Age Summary · 35 To 64 | 435.0× |
| Age Summary · 65 Plus | 226 |
| Population under 18 | 244 |
| Median age | 47.1 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 1,076 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.21 (0 = single group, 1 = perfectly even distribution); this is read as somewhat diverse.
| White residents | 600 |
|---|---|
| Black residents | 49 |
| Asian residents | 5 |
| Hispanic or Latino residents | 25 |
| Diversity Index · Diversity index (Simpson) | 21.2% |
| Diversity Index · Diversity label | somewhat diverse |
| Diversity Index · Groups counted | 4 |
| Diversity Index · Largest group share | 88.4% |
| Black population | 4.2% (vs Oklahoma 5.5%) |
| Hispanic or Latino population | 2.6% (vs Oklahoma 12.3%) |
| White (non-Hispanic) population | 59.8% (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 (8)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS).
| Residents born in this state | 849 |
|---|---|
| Residents born in another state | 225 |
| Share born in this state | 78.9% |
| Share born in another state | 21.1% |
| Native-born U.S. citizens | 20.9% |
| Naturalized citizens | 0.2% |
| Total foreign-born residents | 7 |
| From Africa | 4 |
Households & Family Composition
442 households. Averaging 2.5 people each — matches the U.S. average of 2.5. 64% are family households — near the U.S. share of ~65%. Of 254 families, 18% are married couples with children.
| Children under 18 | 219 |
|---|---|
| Total families | 254 |
| Married couples with children | 45 |
| Single-parent households | 9 |
| Average household size | 2.49 |
| Women who gave birth (past year) | 16.6% |
| Grandparents living with grandchildren | 47 |
| Grandparents responsible for grandchildren | 5 |
| Family households | 282 households (vs Oklahoma 16,590) |
| Households that are families | 63.8% (vs Oklahoma 61.1%) |
| Total households | 442 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. 9.3% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 1,883 residents per year on net (IRS migration data).
| Moved within the county (past year) | 9.3% |
|---|---|
| Migration · People moving in (annual) | 40,571 |
| Migration · People moving out (annual) | 38,688 |
| Migration · Net migration (in − out) | 1,883 |
| 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 | 99 |
|---|---|
| Disability rate | 8.7% |
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. 31 residents live in group quarters (2.9% of population).
| Living in group quarters | 31 |
|---|
Other
| Congressional District · District | 3 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 40113 |
| Cdc Birth Rate · State Fips | 40 |
| Cdc Birth Rate · County Fips | 113 |
| Cdc Birth Rate · County | Osage |
| Cdc Birth Rate · Birth Rate | 17.4% |
| Cdc Birth Rate · Lower Ci | 14.40 |
| Cdc Birth Rate · Upper Ci | 20.90 |
| Cdc Mortality · Fips | 40113 |
| Cdc Mortality · County | Osage County |
| Cdc Mortality · Urban Rural | Medium metro |
| Cdc Mortality · Total Deaths 2020 2023 | 1,090 |
| Cdc Vaccination · Fips | 40113 |
| Cdc Vaccination · County | Osage County |
| Cdc Vaccination · Dose1 Pop Pct | 44.1% |
| Cdc Vaccination · Series Complete Pct | 36.7% |
| Cdc Vaccination · Booster Pct | 43.9% |
| Cdc Vaccination · Population 2019 | 46,963 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 2.80 |
| Family Score · Schools | 3 |
| Family Score · Childcare Centers | 1 |
| Family Score · Children Pct | 22.7% |
| Family Score · Rating | limited |
| Town Summary · Key Facts | population 1,076, booming, established, working-class, mixed |
| Town Summary · Population | 1,076 people (vs Oklahoma 63,420) |
| Town Summary · County | Osage County |
Sources: NCES school congressional district assignment · federal dataset cascade