Deerfield Population

2010–2026

2,650

2026 projection

5.7% since 2020 (increase)

05001K1.5K2K2.5K3K201020122014201620182020202220242026

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 Deerfield. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20262,650+311.18%
20252,619-160.61%
20242,635+461.78%
20232,589+793.15%
20222,510+321.29%
20212,478-291.16%
20202,507+10.04%
20192,506-40.16%
20182,510-10.04%
20172,511+20.08%

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

Deerfield is growing faster than Wisconsin and the U.S., and slower than Dane County.

  • Dane County+4.9%
  • Deerfield+4.4%
  • United States+3.1%
  • Wisconsin+1.3%

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.

Deerfield Demographics

33.6median age

Median age

Female35.4 yrs
Male32.8 yrs

Adults

1,760
293 seniors (65+) · 17% of adults1,467 other adults

Sex

Female 49.6% · 1,260Male 50.4% · 1,281

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 25 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

Deerfield Income

$91,029median household income

Median household income

$91,029

Half of households earn more, half earn less

Median earnings

$63,690

Typical yearly pay for a worker 25 or older.

Poverty rate

3.9%

About 1 in 25 residents

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

Deerfield Marital Status

54% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married54%55%54%
Never married32%36%28%
Divorced8%8%9%
Widowed4%2%7%
Separated1%0%2%

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