St. Michaels: Demographics & People
St. Michaels's population stands at 1,142 people, in 308 households. Population grew 28.6% from 888 (2022) to 1,142 (2024). Median age 40.1 years. (3.5y older than Apache County; 0.8y older than Arizona). Children under 18 are 19% of the population. Population is 4% White (non-Hispanic) and 2% Asian. The community is somewhat diverse (Simpson index 0.37). 71% of households are family-led. County is losing 1,812 residents per year (2022-2023). County health: 39% adult obesity, 27% smoke.
- 3.7 people per household.
- 29% non-family households (singles, roommates).
Population & Trend
Population grew 28.6% from 888 (2022) to 1,142 (2024) — about 47.7× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~1,491 (extrapolated at 14.3%/yr trend). Census Bureau Vintage estimate: 2,053.
| Census data vintage | 2024 |
|---|---|
| Population | 66,021 people |
| Annual growth rate · Population change | 28.6% |
| Annual growth rate · Population (2022) | 888 |
| Annual growth rate · Population (2024) | 1,142 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | booming |
| Population | 1,142 people |
| Population Estimate | 2,053 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 40.1y is 1.2 years older than the U.S. median (38.9y). Children under 18 make up 19% — below the U.S. share of ~22%.
| Age Summary · Median age | 40.1 years (vs Arizona 39.3y) |
|---|---|
| Age Summary · Children Pct | 18.8% |
| Age Summary · Character | established |
| Population under 18 | 215 |
| Median age | 40.1 years (vs Arizona 39.3y) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Race, Ethnicity & Diversity
Of 1,142 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.37 (0 = single group, 1 = perfectly even distribution); this is read as somewhat diverse.
| White residents | 9 |
|---|---|
| Asian residents | 28 |
| Diversity Index · Diversity index (Simpson) | 36.8% |
| Diversity Index · Diversity label | somewhat diverse |
| Diversity Index · Groups counted | 2 |
| Diversity Index · Largest group share | 75.7% |
| Asian population | 2.5% |
| White (non-Hispanic) population | 3.6% |
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 | 864 |
|---|---|
| Residents born in another state | 239 |
| Share born in this state | 75.7% |
| Share born in another state | 24.3% |
| Native-born U.S. citizens | 20.9% |
| Naturalized citizens | 3.4% |
| Total foreign-born residents | 35 |
| From Africa | 30 |
Households & Family Composition
308 households. Averaging 3.4 people each — larger than the U.S. average of 2.5. 71% are family households — above the U.S. share of ~65%. Of 186 families, 13% are married couples with children.
| Children under 18 | 191 |
|---|---|
| Total families | 186 |
| Married couples with children | 24 |
| Average household size | 3.43 |
| Women who gave birth (past year) | 8.7% |
| Grandparents living with grandchildren | 120 |
| Grandparents responsible for grandchildren | 26 |
| Family households | 219 households |
| Households that are families | 71.1% |
| Total households | 308 households |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Residential Stability & Migration
How long residents have lived here and where they came from. 1.6% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 1,812 residents per year on net (IRS migration data).
| Moved within the county (past year) | 1.6% |
|---|---|
| Migration · People moving in (annual) | 54,460 |
| Migration · People moving out (annual) | 56,272 |
| Migration · Net migration (in − out) | -1,812 |
| 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 | 55 |
|---|---|
| Disability rate | 7.1% |
Other
| Congressional District · District | 2 |
|---|---|
| Congressional District · Formatted | AZ-02 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 4,001 |
| Cdc Birth Rate · State Fips | 4 |
| Cdc Birth Rate · County Fips | 1 |
| Cdc Birth Rate · County | Apache |
| Cdc Birth Rate · Birth Rate | 25.6% |
| Cdc Birth Rate · Lower Ci | 22.80 |
| Cdc Birth Rate · Upper Ci | 28.70 |
| Cdc Mortality · Fips | 4,001 |
| Cdc Mortality · County | Apache County |
| Cdc Mortality · Urban Rural | Noncore |
| Cdc Mortality · Total Deaths 2020 2023 | 1,977 |
| Cdc Vaccination · Fips | 4,001 |
| Cdc Vaccination · County | Apache County |
| Cdc Vaccination · Dose1 Pop Pct | 95.0% |
| Cdc Vaccination · Series Complete Pct | 95.0% |
| Cdc Vaccination · Booster Pct | 55.3% |
| Cdc Vaccination · Population 2019 | 71,887 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 10 |
| Family Score · Schools | 20 |
| Family Score · Children Pct | 18.8% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 1,142, booming, established, middle-class, mixed |
| Town Summary · Population | 1,142 people |
| Town Summary · County | Apache County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade