City in Union County, South Dakota · 3.3 sq mi · 911 people per sq mi
3,039 people live in North Sioux City. The typical household earns $71,908, and the median resident is 36.6 years old.
2026 projection
From 3,042 in 2020
Poverty rate 10.97%
Men 36.7 · Women 36.3
1960–2026
3,039
2026 projection
0.1% 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
3,039
2026 projection
0.1% 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 | 3,039 | +3 | 0.10% |
|---|---|---|---|
| 2025 | 3,036 | -28 | 0.91% |
| 2024 | 3,064 | +12 | 0.39% |
| 2023 | 3,052 | +15 | 0.49% |
| 2022 | 3,037 | +18 | 0.60% |
| 2021 | 3,019 | -23 | 0.76% |
| 2020 | 3,042 | +14 | 0.46% |
| 2019 | 3,028 | +64 | 2.16% |
| 2018 | 2,964 | +58 | 2.00% |
| 2017 | 2,906 | +50 | 1.75% |
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.
North Sioux City has a population change lower than Union County, South Dakota, 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.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 30 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 9 residents
51% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 51% | 55% | 47% |
| Never married | 35% | 38% | 33% |
| Divorced | 5% | 4% | 5% |
| Widowed | 7% | 1% | 12% |
| Separated | 2% | 2% | 2% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources