North Liberty Population

1920–2026

22,276

2026 projection

8.8% since 2020 (increase)

05K10K15K20K25K192019401960198020002020

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 North Liberty. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202622,276+3001.37%
202521,976+2721.25%
202421,704+5142.43%
202321,190+650.31%
202221,125+2961.42%
202120,829+3501.71%
202020,479+2291.13%
201920,250+3761.89%
201819,874+5002.58%
201719,374+3641.91%

Showing 10 of 26 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

North Liberty is growing faster than Johnson County, Iowa, and the U.S.

  • North Liberty+7.2%
  • Johnson County+4.6%
  • United States+3.1%
  • Iowa+1.5%

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.

North Liberty Demographics

31.7median age

Median age

Female34.3 yrs
Male30.2 yrs

Adults

15,354
1,513 seniors (65+) · 10% of adults13,841 other adults

Sex

Female 48.9% · 10,332Male 51.1% · 10,793

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 211 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

North Liberty Income

$102,102median household income

Median household income

$102,102

Half of households earn more, half earn less

Median earnings

$63,314

Typical yearly pay for a worker 25 or older.

Poverty rate

6.1%

About 1 in 16 residents

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

North Liberty Marital Status

49% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married49%49%49%
Never married38%43%33%
Divorced8%4%13%
Widowed3%2%4%
Separated1%2%<1%

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