Demographics & People — Declo, Idaho
Population Overview
| Population (Census) | 514 |
|---|
| Estimated 2026 | ~400 |
|---|
| Median Age | 38.1 |
|---|
| Total Households | 200 |
|---|
| Family Households | 109 |
|---|
| Average Household Size | 2.57 |
|---|
| Diversity Index | 0.39 (somewhat diverse) |
|---|
Race & Ethnicity
| White | 364 |
|---|
| Black or African American | 5 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 123 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| English | 202 |
| Unclassified or not reported | 112 |
| French (except Basque) | 70 |
| Other groups | 65 |
| Hispanic: Mexican | 54 |
| Hispanic: Hispanic or Latino | 54 |
| American | 51 |
| Irish | 40 |
| German | 38 |
| Swedish | 16 |
Language
| English Only | 411 |
|---|
| Spanish | 69 |
|---|
| Population 5+ | 483 |
|---|
Veterans
| Veterans | 21 |
|---|
| Population 18+ | 336 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Declo, Idaho.
