Harper Population

2010–2026

116

2026 projection

1.7% since 2020 (decrease)

020406080100120140201020122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Harper. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026116-10.85%
202511700.00%
2024117-10.85%
202311800.00%
202211800.00%
202111800.00%
2020118-32.48%
2019121+10.83%
2018120+21.69%
2017118+21.72%

Showing 10 of 17 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Harper has a population change higher than Keokuk County, and lower than Iowa and the U.S.

  • United States+3.1%
  • Iowa+1.5%
  • Harper−1.7%
  • Keokuk County−2.0%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Harper Demographics

30.3median age

Median age

Female23.6 yrs
Male35 yrs

Adults

113
19 seniors (65+) · 17% of adults94 other adults

Sex

Female 57.4% · 89Male 42.6% · 66

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 2 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Harper Income

$100,417median household income

Median household income

$100,417

Half of households earn more, half earn less

Median earnings

$44,625

Typical yearly pay for a worker 25 or older.

Poverty rate

7.7%

About 1 in 13 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Harper Marital Status

62% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married62%57%66%
Never married31%40%23%
Divorced3%2%3%
Widowed4%0%8%
Separated<1%2%0%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201