Iliff Flag

Iliff

County:
Logan County
County Seat:
No
Area (mi²):
0.191
State:
Colorado

Iliff is a town located in Logan County, Colorado. Iliff has a 2026 population of 238. Iliff is currently declining at a rate of -0.42% annually and its population has decreased by -2.46% since the most recent census, which recorded a population of 244 in 2020.

The median household income in Iliff is $57,500 with a poverty rate of 13.81%. The median age in Iliff is 43.1 years: 39.6 years for males, and 43.9 years for females. For every 100 females there are 119.7 males.

238
Total Population
1,246
Density (mi²)
-1 -0.42%
Growth

Iliff Population

Iliff Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026238-1-0.42%
2025239-1-0.42%
202424010.42%
2023239-2-0.83%
2022241-4-1.63%
202124510.41%
202024400%
201927110.37%
201827010.37%
201726900%
2016269-2-0.74%
201527110.37%
201427062.27%
2013264-2-0.75%
201226610.38%
2011265-1-0.38%
201026600%

Median Age

Overall: 43.1 years
Female: 43.9 years
Male: 39.6 years

Iliff Adults

There are 229 adults, (39 of whom are seniors) in Iliff.

Sex Ratio

Female: 122 (45.5%)
Male: 146 (54.5%)

Demographics

The racial composition of Iliff includes 89.18% White, and smaller percentages for Black or African American, Native American, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White23989.18%
Two or more races93.36%
Black or African American82.99%
Native American72.61%
Other race51.87%
Race
Population ↓
Percentage (of total)
White145.22%
Two or more races93.36%
Native American72.61%
Other race51.87%
Race
Population ↓
Percentage (of total)
White22583.96%
Black or African American82.99%

Iliff Marital Status

Economics and Income Statistics

Iliff 's average per capita income is $45,536. Household income levels show a median of $57,500. The poverty rate stands at 13.81%.

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$79,375-
Families$78,571$76,220
Households$57,500$64,575
Non Families$43,182$37,439

$45,536

Average Income

$57,500

Median Household Income

13.81%

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)