Guernsey Population

2010–2026

60

2026 projection

4.8% since 2020 (decrease)

010203040506070201020122014201620182020202220242026

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 Guernsey. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202660-11.64%
202561+11.67%
20246000.00%
202360-11.64%
202261-11.61%
202162-11.59%
20206300.00%
20196300.00%
20186300.00%
20176300.00%

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

Guernsey has a population change about the same as Poweshiek County, and lower than Iowa and the U.S.

  • United States+3.1%
  • Iowa+1.5%
  • Poweshiek County−1.4%
  • Guernsey−1.6%

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.

Guernsey Demographics

55median age

Median age

Female51.8 yrs
Male55.3 yrs

Adults

46
19 seniors (65+) · 41% of adults27 other adults

Sex

Female 42% · 21Male 58% · 29

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 0.5 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

Guernsey Income

$70,833median household income

Median household income

$70,833

Half of households earn more, half earn less

Median earnings

$46,563

Typical yearly pay for a worker 25 or older.

Poverty rate

2%

About 1 in 50 residents

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

Guernsey Marital Status

48% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married48%44%53%
Never married15%19%11%
Divorced15%15%16%
Widowed20%19%21%
Separated2%4%0%

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