Demographics & People — Arco, Idaho
Population Overview
| Population (Census) | 842 |
|---|
| Estimated 2026 | ~900 |
|---|
| Median Age | 34.6 |
|---|
| Total Households | 321 |
|---|
| Family Households | 159 |
|---|
| Average Household Size | 2.55 |
|---|
| Diversity Index | 0.2089 (somewhat diverse) |
|---|
Race & Ethnicity
| White | 729 |
|---|
| Black or African American | 0 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 98 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 358 |
| Other groups | 137 |
| American | 100 |
| English | 62 |
| Hispanic: Hispanic or Latino | 52 |
| Hispanic: Mexican | 50 |
| German | 33 |
| Welsh | 32 |
| Scottish | 26 |
| Irish | 25 |
Language
| English Only | 741 |
|---|
| Spanish | 56 |
|---|
| Population 5+ | 802 |
|---|
Veterans
| Veterans | 49 |
|---|
| Population 18+ | 539 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Arco, Idaho.
