Thornhill Flag

Thornhill

County Seat:
No
Area (mi²):
0.045
State:
Kentucky

Thornhill is a city located in Jefferson County, Kentucky. Thornhill has a 2026 population of 188. Thornhill is currently growing at a rate of 0.53% annually and its population has increased by 1.62% since the most recent census, which recorded a population of 185 in 2020.

The median household income in Thornhill is $133,125 with a poverty rate of 0.52%. The median age in Thornhill is 40.5 years: 41.4 years for males, and 39.6 years for females. For every 100 females there are 106.5 males.

188
Total Population
4,138
Density (mi²)
1 0.53%
Growth

Thornhill Population

Thornhill Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202618810.53%
202518700%
202418710.54%
202318631.64%
2022183-1-0.54%
2021184-1-0.54%
202018500%
201918710.54%
2018186-2-1.06%
201718821.08%
201618600%
201518600%
201418621.09%
201318421.1%
201218210.55%
201118131.69%
201018000%

Median Age

Overall: 40.5 years
Female: 39.6 years
Male: 41.4 years

Thornhill Adults

There are 141 adults, (27 of whom are seniors) in Thornhill.

Sex Ratio

Female: 93 (48.4%)
Male: 99 (51.6%)

Demographics

The racial composition of Thornhill includes 95.31% White, and smaller percentages for Black or African American, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White18395.31%
Two or more races63.13%
Black or African American21.04%
Native American10.52%
Race
Population ↓
Percentage (of total)
White10.52%
Native American10.52%
Race
Population ↓
Percentage (of total)
White18294.79%
Two or more races63.13%
Black or African American21.04%

Thornhill Marital Status

Economics and Income Statistics

Thornhill 's average per capita income is $94,688. Household income levels show a median of $133,125. The poverty rate stands at 0.52%.

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$168,750-
Families$161,250$193,756
Households$133,125$158,637
Non Families$50,250$62,268

$94,688

Average Income

$133,125

Median Household Income

0.52%

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)