Tualatin: Demographics & People
Tualatin is home to 27,763 people, in 10,837 households. Population grew 0.2% from 27,710 (2022) to 27,763 (2024). Median age 37.4 years. (0.7y younger than Washington County; 1.4y younger than Oregon). Children under 18 are 22% of the population. Population is 62% White (non-Hispanic) and 23% Hispanic or Latino. 66% of households are family-led. County is losing 1,527 residents per year (2022-2023). County health: 29% adult obesity, 10% smoke.
- 2.6 people per household (vs Oregon avg 2.5).
- 34% non-family households (singles, roommates) (vs Oregon 38%).
- 57 dependents per 100 working-age (youth + seniors / 18-64) (vs Oregon 64).
Population & Trend
Population grew 0.2% from 27,710 (2022) to 27,763 (2024) — close to the U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~27,815 (extrapolated at 0.1%/yr trend).
| Census data vintage | 2024 |
|---|---|
| Population | 421,401 people |
| Annual growth rate · Population change | 0.2% |
| Annual growth rate · Population (2022) | 27,710 |
| Annual growth rate · Population (2024) | 27,763 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | stable |
| Population | 27,763 people (vs Oregon 56,011) |
| Population Estimate | 27,885 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 37.4y is 1.5 years younger than the U.S. median (38.9y). Children under 18 make up 22% — near the U.S. share of ~22%.
| Age Summary · Median age | 37.4 years (vs Oregon 38.8y) |
|---|---|
| Age Summary · Children Pct | 21.8% |
| Age Summary · Character | family-oriented |
| Age Summary · Total Pop | 27,763 |
| Age Summary · Under 18 | 6,062 |
| Age Summary · 18 To 34 | 6,685.0× |
| Age Summary · 35 To 64 | 10,952.0× |
| Age Summary · 65 Plus | 4,064 |
| Population under 18 | 6,062 |
| Median age | 37.4 years (vs Oregon 38.8y) |
Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023 · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 27,763 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| White residents | 18,867 |
|---|---|
| Black residents | 421 |
| Asian residents | 840 |
| Hispanic or Latino residents | 6,064 |
| Diversity Index · Simpson Index | 48.6% |
| Diversity Index · Interpretation | moderately diverse |
| Asian population | 3.5% (vs Oregon 3.6%) |
| Black population | 1.0% (vs Oregon 1.5%) |
| Hispanic or Latino population | 23.4% (vs Oregon 12.0%) |
| White (non-Hispanic) population | 62.0% (vs Oregon 70.2%) |
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). 3.2% are foreign-born — below the U.S. average of 13.9%. 16% have naturalized to U.S. citizenship.
| Residents born in this state | 10,514 |
|---|---|
| Residents born in another state | 12,081 |
| Share born in this state | 37.9% |
| Share born in another state | 62.1% |
| Native-born U.S. citizens | 43.5% |
| Foreign-born residents | 3.2% |
| Naturalized citizens | 15.5% |
| Total foreign-born residents | 3,275 |
| From Europe | 288 |
| From Africa | 863 |
Households & Family Composition
10,837 households. Averaging 2.5 people each — matches the U.S. average of 2.5. 66% are family households — near the U.S. share of ~65%. Of 7,019 families, 36% are married couples with children.
| Children under 18 | 6,356 |
|---|---|
| Total families | 7,019 |
| Married couples with children | 2,506 |
| Single-parent households | 166 |
| Average household size | 2.55 |
| Women who gave birth (past year) | 13.0% |
| Grandparents living with grandchildren | 103 |
| Grandparents responsible for grandchildren | 20 |
| Family households | 7,169 households (vs Oregon 11,501) |
| Households that are families | 66.2% (vs Oregon 61.6%) |
| Total households | 10,837 households (vs Oregon 21,933) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Residential Stability & Migration
How long residents have lived here and where they came from. 17.6% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 1,527 residents per year on net (IRS migration data).
| Moved within the county (past year) | 17.6% |
|---|---|
| Migration · People moving in (annual) | 405,211 |
| Migration · People moving out (annual) | 406,738 |
| Migration · Net migration (in − out) | -1,527 |
| 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 | 1,175 |
|---|---|
| Disability rate | 4.3% |
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. 249 residents live in group quarters (0.9% of population).
| Living in group quarters | 249 |
|---|
Other
| Congressional District · District | 1 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 41005 |
| Cdc Birth Rate · State Fips | 41 |
| Cdc Birth Rate · County Fips | 005 |
| Cdc Birth Rate · County | Clackamas |
| Cdc Birth Rate · Birth Rate | 7.1% |
| Cdc Birth Rate · Lower Ci | 6.30 |
| Cdc Birth Rate · Upper Ci | 7.80 |
| Cdc Mortality · Fips | 41005 |
| Cdc Mortality · County | Clackamas County |
| Cdc Mortality · Urban Rural | Large fringe metro |
| Cdc Mortality · Total Deaths 2020 2023 | 13,460 |
| Cdc Vaccination · Fips | 41005 |
| Cdc Vaccination · County | Clackamas County |
| Cdc Vaccination · Dose1 Pop Pct | 78.6% |
| Cdc Vaccination · Series Complete Pct | 71.9% |
| Cdc Vaccination · Booster Pct | 62.6% |
| Cdc Vaccination · Population 2019 | 418,187 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 9.00 |
| Family Score · Schools | 7 |
| Family Score · Childcare Centers | 5 |
| Family Score · Youth Sports Orgs | 6 |
| Family Score · Children Pct | 21.8% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 27,763, stable, family-oriented, affluent, mixed |
| Town Summary · Population | 27,763 people (vs Oregon 56,011) |
| Town Summary · County | Clackamas County |
Sources: NCES school congressional district assignment · federal dataset cascade