Zionsville Population

1860–2026

34,187

2026 projection

11.7% since 2020 (increase)

05K10K15K20K25K30K35K186018801900192019401960198020002020

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 Zionsville. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202634,187+5631.67%
202533,624+5831.76%
202433,041+5611.73%
202332,480+4491.40%
202232,031+3851.22%
202131,646+1,0433.41%
202030,603+8512.86%
201929,752+5671.94%
201829,185+6132.15%
201728,572+7172.57%

Showing 10 of 32 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

Zionsville is growing faster than Indiana and the U.S., and slower than Boone County.

  • Boone County+13.5%
  • Zionsville+9.2%
  • United States+3.1%
  • Indiana+2.7%

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.

Zionsville Demographics

42.1median age

Median age

Female43.4 yrs
Male41.3 yrs

Adults

23,788
4,816 seniors (65+) · 20% of adults18,972 other adults

Sex

Female 49.9% · 16,012Male 50.1% · 16,083

Population by age

MaleFemale85+ years, male: 35685+ years, female: 33680–84 years, male: 30480–84 years, female: 46275–79 years, male: 13675–79 years, female: 35970–74 years, male: 54670–74 years, female: 70165–69 years, male: 84265–69 years, female: 77460–64 years, male: 1,37160–64 years, female: 1,24655–59 years, male: 80455–59 years, female: 1,00350–54 years, male: 1,50450–54 years, female: 1,51745–49 years, male: 1,18345–49 years, female: 1,25940–44 years, male: 1,46740–44 years, female: 1,07935–39 years, male: 1,10235–39 years, female: 1,24630–34 years, male: 73330–34 years, female: 56025–29 years, male: 46625–29 years, female: 58520–24 years, male: 76820–24 years, female: 49715–19 years, male: 91815–19 years, female: 1,09610–14 years, male: 1,11810–14 years, female: 1,1255–9 years, male: 1,3075–9 years, female: 1,2760–4 years, male: 1,1580–4 years, female: 89185+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

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 321 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

Zionsville Income

$172,024median household income

Median household income

$172,024

Half of households earn more, half earn less

Median earnings

$94,395

Typical yearly pay for a worker 25 or older.

Poverty rate

3.1%

About 1 in 32 residents

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

Zionsville Marital Status

68% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married68%68%68%
Never married21%23%18%
Divorced5%4%6%
Widowed5%3%7%
Separated<1%<1%<1%

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

Sources

14 sources

Population

American Community Survey, 2024 5-year

Additional sources