Arco city, Idaho Demographics & Population 2026
As of 2026, Arco city, Idaho has a total population of 842, the 113th largest city in Idaho, with a median household income of $31,023, which is 58% lower than the state average. The poverty rate is 35.9%.
Key Takeaways
- Household income is 58% below the state average, indicating significant economic challenges.
- More than 1 in 4 residents live below the poverty line (35.9%), well above the national average of 12.4%.
- Near full employment with an unemployment rate of just 0.4%.
Arco city Quick Facts
How Arco city Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 35 | National average: 60
Education
Educational Attainment (Adults 25+)
Arco city Rankings in Idaho
Explore Idaho Rankings
Cities Similar to Arco city
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Council city | 824 | $43,224 | $165,600 | 14.7% | 17.1% |
| Kamiah city | 1,053 | $35,433 | $202,800 | 17.7% | 21.7% |
| Challis city | 794 | $50,034 | $168,300 | 22.9% | 15.2% |
| Mackay city | 719 | $41,474 | $187,500 | 20.1% | 17.8% |
| Kooskia city | 683 | $38,167 | $174,500 | 10.8% | 14.6% |
Population Overview
Arco city is a small community located in Idaho. The total population is 842. It ranks as the 113th most populous out of 234 cities and towns in Idaho.
Age Demographics
The median age in Arco city is 37.1 years. This is about average than the state median of 37.1 years. With 30.5% of the population under 18, Arco city has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Arco city is $31,023. This is 58% lower than the state median of $74,636. Compared to the national median of $78,538, household income here is 60% lower. The poverty rate stands at 35.9%. This is 237% higher than the state poverty rate of 10.6%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 0.4%. This is 90% lower than the state rate of 3.7%. The median home value is $157,700. Housing costs are 58% lower than the state median of $376,000. The home-value-to-income ratio is 5.1x. 66.0% of occupied housing units are owner-occupied. This homeownership rate is 9% lower than the state average of 72.4%.
Race & Ethnicity
The largest racial or ethnic group in Arco city is White (non-Hispanic), making up 80.8% of the population. Hispanic or Latino residents account for 11.6%.
Education
15.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 51% lower than the state rate of 31.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.7%.
Data Sources & Methodology
All demographic data for Arco city, Idaho is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Idaho state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 234 Census-designated places in Idaho. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of Arco city, Idaho?
Arco city, Idaho has a population of 842 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Arco city, ID?
The median household income in Arco city is $31,023, which is 60% lower the national median of $78,538.
What is the poverty rate in Arco city, ID?
The poverty rate in Arco city is 35.9%. This means approximately 293 residents live below the federal poverty line.
What is the racial makeup of Arco city, Idaho?
Arco city's population is 80.8% White, 0.0% Black, 11.6% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Arco city, ID?
The median home value in Arco city is $157,700. The home-value-to-income ratio is 5.1x.
How educated is Arco city, Idaho?
15.3% of adults (25+) in Arco city hold a bachelor's degree or higher, and 2.3% hold a graduate or professional degree.