Theresa Population

2010–2026

1,354

2026 projection

7.9% since 2020 (increase)

02004006008001K1.2K1.4K201020122014201620182020202220242026

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 Theresa. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20261,354+80.59%
20251,346+614.75%
20241,285+141.10%
20231,271+191.52%
20221,252-50.40%
20211,257+20.16%
20201,25500.00%
20191,255-20.16%
20181,257+30.24%
20171,254+60.48%

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

Theresa is growing faster than Dodge County, Wisconsin, and the U.S.

  • Theresa+7.5%
  • United States+3.1%
  • Wisconsin+1.3%
  • Dodge County−0.3%

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.

Theresa Demographics

38.1median age

Median age

Female37.1 yrs
Male38.8 yrs

Adults

1,055
199 seniors (65+) · 19% of adults856 other adults

Sex

Female 50.7% · 699Male 49.3% · 679

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 14 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

Theresa Income

$71,528median household income

Median household income

$71,528

Half of households earn more, half earn less

Median earnings

$49,806

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

Theresa Marital Status

46% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married46%45%47%
Never married33%36%29%
Divorced15%17%12%
Widowed6%2%11%
Separated<1%0%<1%

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