Olean Flag

Olean

County:
Miller County
County Seat:
No
Area (mi²):
0.173
State:
Missouri

Olean is a town located in Miller County, Missouri. Olean has a 2026 population of 122. Olean is currently growing at a rate of 0.83% annually and its population has increased by 3.39% since the most recent census, which recorded a population of 118 in 2020.

The median age in Olean is 26.9 years: 34.1 years for males, and 26.3 years for females. For every 100 females there are 69.7 males.

122
Total Population
706
Density (mi²)
1 0.83%
Growth

Olean Population

Olean Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202612210.83%
202512100%
202412100%
202312100%
202212121.68%
202111910.85%
202011800%
201912521.63%
201812300%
201712310.82%
201612200%
201512200%
201412200%
201312210.83%
2012121-1-0.82%
2011122-6-4.69%
201012200%

Median Age

Overall: 26.9 years
Female: 26.3 years
Male: 34.1 years

Olean Adults

There are 108 adults, (16 of whom are seniors) in Olean.

Sex Ratio

Female: 99 (58.9%)
Male: 69 (41.1%)

Demographics

The racial composition of Olean includes 98.81% White, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White16698.81%
Two or more races21.19%
Race
Population ↓
Percentage (of total)
White16698.81%
Two or more races21.19%

Olean Marital Status

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)