Platteville Population

2010–2026

2,896

2026 projection

2% since 2020 (decrease)

05001K1.5K2K2.5K3K3.5K201020122014201620182020202220242026

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 Platteville. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20262,896-120.41%
20252,908-60.21%
20242,914+80.28%
20232,906-361.22%
20222,942+20.07%
20212,940-150.51%
20202,955-200.67%
20192,975-391.29%
20183,014+50.17%
20173,009+481.62%

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

Platteville has a population change lower than Weld County, Colorado, and the U.S.

  • Weld County+14.2%
  • Colorado+3.9%
  • United States+3.1%
  • Platteville−1.7%

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.

Platteville Demographics

39.9median age

Median age

Female40.8 yrs
Male38.5 yrs

Adults

2,412
567 seniors (65+) · 24% of adults1,845 other adults

Sex

Female 43.9% · 1,285Male 56.1% · 1,643

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 29 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

Platteville Income

$74,500median household income

Median household income

$74,500

Half of households earn more, half earn less

Median earnings

$57,666

Typical yearly pay for a worker 25 or older.

Poverty rate

9%

About 1 in 11 residents

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

Platteville 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%46%51%
Never married34%39%29%
Divorced13%15%10%
Widowed5%0%10%
Separated<1%<1%0%

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