City in Waukesha County, Wisconsin · 36.4 sq mi · 1,095 people per sq mi
39,883 people live in New Berlin. The typical household earns $101,091, and the median resident is 45.2 years old.
2026 projection
From 40,451 in 2020
Poverty rate 4.11%
Men 43.6 · Women 47.3
1960–2026
39,883
2026 projection
1.4% since 2020 (decrease)
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.
1960–2026
39,883
2026 projection
1.4% since 2020 (decrease)
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.
| 2026 | 39,883 | -70 | 0.18% |
|---|---|---|---|
| 2025 | 39,953 | -215 | 0.54% |
| 2024 | 40,168 | +4 | 0.01% |
| 2023 | 40,164 | +53 | 0.13% |
| 2022 | 40,111 | -217 | 0.54% |
| 2021 | 40,328 | -123 | 0.30% |
| 2020 | 40,451 | +124 | 0.31% |
| 2019 | 40,327 | +79 | 0.20% |
| 2018 | 40,248 | -10 | 0.02% |
| 2017 | 40,258 | +58 | 0.14% |
Showing 10 of 22 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.
New Berlin has a population change lower than Waukesha County, Wisconsin, and the U.S.
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.
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
Each square is about 1% of residents (roughly 403 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
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 24 residents
60% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 60% | 63% | 57% |
| Never married | 23% | 27% | 19% |
| Divorced | 10% | 7% | 13% |
| Widowed | 6% | 2% | 10% |
| Separated | <1% | <1% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources