Hartwick Flag

Hartwick

County Seat:
No
Area (mi²):
0.158
State:
Iowa

Hartwick is a city located in Poweshiek County, Iowa. Hartwick has a 2026 population of 90. Hartwick is currently declining at a rate of 0% annually and its population has decreased by -2.17% since the most recent census, which recorded a population of 92 in 2020.

The median household income in Hartwick is $83,750 with a poverty rate of 1.75%. The median age in Hartwick is 16.5 years: 36.3 years for males, and 10.7 years for females. For every 100 females there are 37.3 males.

90
Total Population
569
Density (mi²)

Hartwick Population

Hartwick Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20269000%
202590-1-1.1%
20249111.11%
20239000%
202290-1-1.1%
202191-1-1.09%
20209200%
201979-1-1.25%
20188000%
20178000%
201680-2-2.44%
201582-2-2.38%
20148400%
201384-1-1.18%
201285-1-1.16%
20118600%
20108600%

Median Age

Overall: 16.5 years
Female: 10.7 years
Male: 36.3 years

Hartwick Adults

There are 56 adults, (13 of whom are seniors) in Hartwick.

Sex Ratio

Female: 83 (72.8%)
Male: 31 (27.2%)

Demographics

The racial composition of Hartwick includes 57.89% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White6657.89%
Two or more races4842.11%
Race
Population ↓
Percentage (of total)
Two or more races4438.6%
Race
Population ↓
Percentage (of total)
White6657.89%
Two or more races43.51%

Hartwick Marital Status

Economics and Income Statistics

Hartwick 's average per capita income is $36,250. Household income levels show a median of $83,750. The poverty rate stands at 1.75%.

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
Families$97,917$99,595
Married Families$97,917-
Households$83,750$79,681
Non Families-$41,664

$36,250

Average Income

$83,750

Median Household Income

1.75%

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)