Dayville Flag

Dayville

County:
Grant County
County Seat:
No
Area (mi²):
0.526
State:
Oregon

Dayville is a town located in Grant County, Oregon. Dayville has a 2026 population of 129. Dayville is currently declining at a rate of 0% annually and its population has decreased by -2.27% since the most recent census, which recorded a population of 132 in 2020.

The median household income in Dayville is $54,271 with a poverty rate of 9.22%. The median age in Dayville is 50.3 years: 50.2 years for males, and 53 years for females. For every 100 females there are 114.6 males.

129
Total Population
245
Density (mi²)

Dayville Population

Dayville Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202612900%
2025129-1-0.77%
2024130-1-0.76%
2023131-1-0.76%
202213200%
202113200%
202013200%
201914410.7%
2018143-1-0.69%
201714410.7%
2016143-2-1.38%
201514500%
201414500%
2013145-1-0.68%
2012146-2-1.35%
2011148-1-0.67%
201014900%

Median Age

Overall: 50.3 years
Female: 53 years
Male: 50.2 years

Dayville Adults

There are 168 adults, (65 of whom are seniors) in Dayville.

Sex Ratio

Female: 96 (46.6%)
Male: 110 (53.4%)

Demographics

The racial composition of Dayville includes 97.57% White, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White20197.57%
Two or more races52.43%
Race
Population ↓
Percentage (of total)
White20197.57%
Two or more races52.43%

Dayville Marital Status

Economics and Income Statistics

Dayville 's average per capita income is $45,000. Household income levels show a median of $54,271. The poverty rate stands at 9.22%.

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$75,000-
Families$61,250$90,035
Households$54,271$75,231
Non Families$53,594$64,471

$45,000

Average Income

$54,271

Median Household Income

9.22%

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)