Alta Population

2010–2026

1,940

2026 projection

7% since 2020 (decrease)

05001K1.5K2K2.5K201020122014201620182020202220242026

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 Alta. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20261,940-180.92%
20251,958-613.02%
20242,019-30.15%
20232,022-110.54%
20222,033-391.88%
20212,072-150.72%
20202,087+241.16%
20192,063+10.05%
20182,062-60.29%
20172,068+80.39%

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

Alta has a population change lower than Buena Vista County, Iowa, and the U.S.

  • United States+3.1%
  • Iowa+1.5%
  • Buena Vista County−1.7%
  • Alta−6.3%

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.

Alta Demographics

38.8median age

Median age

Female35.8 yrs
Male39.8 yrs

Adults

1,576
280 seniors (65+) · 18% of adults1,296 other adults

Sex

Female 46.3% · 1,042Male 53.7% · 1,208

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 23 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

Alta Income

$65,833median household income

Median household income

$65,833

Half of households earn more, half earn less

Median earnings

$35,955

Typical yearly pay for a worker 25 or older.

Poverty rate

10.2%

About 1 in 10 residents

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

Alta Marital Status

44% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married44%41%47%
Never married30%27%32%
Divorced17%28%4%
Widowed9%2%16%
Separated1%2%<1%

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