Arco demographics profile

Population density (sq mi)7301991
Median age41.035.737.7
Male/Female ratio1.2:11.0:11.0:1
Married (15yrs & older)60%60%55%
Speak English98%89%79%
Speak Spanish1%8%13%
Arco, ID has a population of 780 and is the 16,777th largest city in the United States. The population density is 730 per sq mi which is 3726% higher than the Idaho average and 706% higher than the national average. The median age in Arco is 41 which is approximately 15% higher than the Idaho average of 36. In Arco, 60% of the population over 15 years of age are married, 98% speak English and 1% speak Spanish. 60% of Arco residents were born in Idaho, 38% were born out of state, 0% were born outside of the United States and 2% were foreign born.

Did you know?

  • The population density in Arco is 3726% higher than Idaho.
  • The median age in Arco is 15% higher than Idaho.
  • In Arco 99.10% of the population is Caucasian.
  • In Arco 0.00% of the population is African American.
  • In Arco 0.00% of the population is Asian.

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Arco population breakdown by race

African American0.00%0.64%12.63%
American Indian0.13%1.31%0.82%
Native Hawaiian0.00%0.12%0.18%
Mixed race0.77%2.57%3.06%
Other race0.00%2.74%4.75%
In Arco, 1.5% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

Arco age breakdown

Marital status

Age of children in married couples

Source: The Arco, ID demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).