Seneca demographics profile

Population density (sq mi)2264091
Median age57.239.137.7
Male/Female ratio0.8:11.0:11.0:1
Married (15yrs & older)69%55%55%
Speak English99%85%79%
Speak Spanish1%9%13%
Seneca, OR has a population of 180 and is the 24,910th largest city in the United States. The population density is 226 per sq mi which is 472% higher than the Oregon average and 150% higher than the national average. The median age in Seneca is 57 which is approximately 46% higher than the Oregon average of 39. In Seneca, 69% of the population over 15 years of age are married, 99% speak English and 1% speak Spanish. 65% of Seneca residents were born in Oregon, 35% were born out of state, 0% were born outside of the United States and 0% were foreign born.

Did you know?

  • The population density in Seneca is 472% higher than Oregon.
  • The median age in Seneca is 46% higher than Oregon.
  • In Seneca 100.00% of the population is Caucasian.
  • In Seneca 0.00% of the population is African American.
  • In Seneca 0.00% of the population is Asian.

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Seneca population breakdown by race

African American0.00%1.86%12.63%
American Indian0.00%1.14%0.82%
Native Hawaiian0.00%0.38%0.18%
Mixed race0.00%4.41%3.06%
Other race0.00%3.13%4.75%
In Seneca, 1.1% 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

Seneca age breakdown

Marital status

Age of children in married couples

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