Annex Flag

Annex

County:
Malheur County
County Seat:
No
Area (mi²):
2.459
State:
Oregon

Annex is a CDP located in Malheur County, Oregon. Annex has a 2025 population of 358. Annex is currently growing at a rate of 2.58% annually and its population has increased by 45.53% since the most recent census, which recorded a population of 246 in 2020.

The average household income in Annex is $75,509 with a poverty rate of 15.46%. The median age in Annex is 36.7 years: 24.7 years for males, and 42 years for females.

358
Total Population
146
Density (mi²)
9 2.58%
Growth

Annex Population

Annex Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Annex includes 85.86% White, 9.21% other race, and smaller percentages for Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Other race

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White26185.86%
Other race289.21%
Two or more races144.61%
Asian10.33%
Black or African American00%
Native American00%
Native Hawaiian or Pacific Islander00%

Annex Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Annex's average per capita income is $39,000. Household income levels show a median of $49,792. The poverty rate stands at 15.46%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$84,688-
Families$67,500$83,081
Households$49,792$75,509
Non Families$48,750$51,652

$39,000

Average Income

$49,792

Median Household Income

15.46%

Poverty Rate

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)