Thornburg Flag

Thornburg

County:
Keokuk County
County Seat:
No
Area (mi²):
0.199
State:
Iowa

Thornburg is a city located in Keokuk County, Iowa. Thornburg has a 2026 population of 45. Thornburg is currently declining at a rate of 0% annually and its population has decreased by -4.26% since the most recent census, which recorded a population of 47 in 2020.

The median household income in Thornburg is $39,861 with a poverty rate of 12.73%. The median age in Thornburg is 60.4 years: 68.3 years for males, and 46.7 years for females. For every 100 females there are 111.5 males.

45
Total Population
226
Density (mi²)

Thornburg Population

Thornburg Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20264500%
202545-1-2.17%
202446-1-2.13%
20234712.17%
20224600%
202146-1-2.13%
20204700%
20196800%
20186811.49%
20176700%
20166700%
201567-1-1.47%
20146800%
201368-1-1.45%
20126911.47%
20116811.49%
20106900%

Median Age

Overall: 60.4 years
Female: 46.7 years
Male: 68.3 years

Thornburg Adults

There are 53 adults, (25 of whom are seniors) in Thornburg.

Sex Ratio

Female: 26 (47.3%)
Male: 29 (52.7%)

Demographics

The racial composition of Thornburg includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White55100%
Race
Population ↓
Percentage (of total)
White916.36%
Race
Population ↓
Percentage (of total)
White4683.64%

Thornburg Marital Status

Economics and Income Statistics

Thornburg 's average per capita income is $50,208. Household income levels show a median of $39,861. The poverty rate stands at 12.73%.

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$81,250-
Families$80,833$75,500
Households$39,861$59,770
Non Families$38,750$36,891

$50,208

Average Income

$39,861

Median Household Income

12.73%

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)