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. For every 100 females there are 114.1 males.

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 and multiracial populations.

Population by Race

White (85.86%)

Other race (9.21%)

Two or more races (4.61%)

Asian (0.33%)

Race
Population
Percentage (of total)
White26185.86%
Other race289.21%
Two or more races144.61%
Asian10.33%

Annex Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

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)