Demographics · SD
Sioux Falls, SD demographics: 201,469 residents, with a median age of 35.5 years, from the U.S. Census Bureau's American Community Survey 2020–2024 (5-year estimates).
201,469people are estimated in Sioux Falls, at a median age of 35.5 years (American Community Survey 2020–2024 period estimate)
Median age 35.5 years — younger than the U.S. median of 38.9.
ACS 2020–2024 5-year · ACS 5-Year Estimates 2020-2024 (released 2026-01-29)
In Sioux Falls, the largest race group is White (79.1%); 6.5% of residents are Hispanic or Latino (of any race); 8.7% were born outside the United States.
ACS 2020–2024 · B01001 / B01002
The estimated median age in Sioux Falls is 35.5 years (±0.3), compared with the U.S. estimate of 38.9 ± 0.1 years. These are descriptive comparisons, not significance tests. The population is 50.5% ± 0.3 percentage points male and 49.5% ± 0.3 percentage points female. The largest age band is 5 to 17 at 17.7%.
| Age band | People | Share | ± margin |
|---|---|---|---|
| Under 5 | 13,475 | 6.7% ± 0.3 percentage points | ±509 |
| 5 to 17 | 35,744 | 17.7% ± 0.6 percentage points | ±1,273 |
| 18 to 24 | 18,670 | 9.3% ± 0.4 percentage points | ±882 |
| 25 to 34 | 31,422 | 15.6% ± 0.3 percentage points | ±649 |
| 35 to 44 | 29,099 | 14.4% ± 0.5 percentage points | ±1,094 |
| 45 to 54 | 21,821 | 10.8% ± 0.3 percentage points | ±686 |
| 55 to 64 | 22,909 | 11.4% ± 0.6 percentage points | ±1,188 |
| 65 to 74 | 18,186 | 9.0% ± 0.4 percentage points | ±890 |
| 75 and over | 10,143 | 5.0% ± 0.3 percentage points | ±583 |
Median age by sex: 34.9 (male) · 36.1 (female).
Shares may not sum to 100% due to rounding. Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B01001 sex by age, B01002 median age) · place-grain · margins of error at the 90% confidence level · methodology →
ACS 2020–2024 · B02001 / B03003
The largest race group in Sioux Falls is White at 79.1% of the population. Separately, 6.5% of residents are Hispanic or Latino of any race.Race and Hispanic origin are two different questions on the census form, so their shares are reported separately and are not additive.
| Race (alone, or two or more) | People | Share | ± margin |
|---|---|---|---|
| White alone | 159,269 | 79.1% ± 0.5 percentage points | ±1,046 |
| Black or African American alone | 13,979 | 6.9% ± 0.4 percentage points | ±848 |
| American Indian & Alaska Native alone | 3,791 | 1.9% ± 0.3 percentage points | ±579 |
| Asian alone | 4,152 | 2.1% ± 0.3 percentage points | ±538 |
| Native Hawaiian & Pacific Islander alone | 78 | 0.0% ± 0.0 percentage points | ±70 · low precision |
| Some other race alone | 4,701 | 2.3% ± 0.5 percentage points | ±952 |
| Two or more races | 15,499 | 7.7% ± 0.6 percentage points | ±1,260 |
| Hispanic or Latino (of any race) | 13,114 | 6.5% ± 0.4 percentage points | ±710 |
Race shares may not sum to 100% due to rounding; race and Hispanic origin are separate questions and are not additive. Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B02001 race, B03003 Hispanic or Latino origin) · place-grain · margins of error at the 90% confidence level · methodology →
ACS 2020–2024 · B11001 / B25010
Sioux Falls has 85,992 households. 56.4% are family households and 35.0% are people living alone. The average household holds 2.28 people.
Total households
85,992
ACS 2020–2024 5-yr · B11001
Avg household size
2.28
ACS 2020–2024 5-yr · B25010 · ±0.02
Family households
56.4% ± 1.2 percentage points
Share of all households · B11001
Living alone
35.0% ± 1.3 percentage points
Share of all households · B11001
| Household type | Households | ± margin |
|---|---|---|
| Total households | 85,992 | ±673 |
| Family households | 48,515 | ±1,081 |
| Nonfamily households | 37,477 | ±1,220 |
| Householder living alone | 30,116 | ±1,107 |
Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B11001 household type, B25010 average household size) · place-grain · methodology →
ACS 2020–2024 · B05002 / C16001
8.7% of Sioux Falls residents were born outside the United States. 88.8% of residents age 5 and over speak only English at home. The most-spoken non-English language at home is Spanish (4.6%).
| Measure | Value | Source / grain |
|---|---|---|
| Foreign-born share | 8.7% ± 0.7 percentage points | 17,455 people · B05002 |
| Speak only English at home (age 5+) | 88.8% ± 0.8 percentage points | C16001 |
| Top non-English language at home | 4.6% ± 0.4 percentage points | Spanish · 8,558 speakers · C16001 |
Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B05002 place of birth, C16001 language spoken at home) · place-grain · methodology →
ACS 2020–2024 · B15003
38.1% ± 1.3 percentage points of adults age 25 and over in Sioux Falls hold a bachelor's degree or higher. The U.S. estimate is 35.7%.
| Measure | Value | Source / grain |
|---|---|---|
| Bachelor's degree or higher (age 25+) | 38.1% | B15003 lines 22–25 over line 1 · place-grain |
Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B15003 educational attainment, population 25+) · place-grain · methodology →
Sources · provenance
The GEOID for Sioux Falls is 4659020. Every figure on this page is a place-grain American Community Survey 5-Year 2020–2024 estimate (ACS 5-Year Estimates 2020-2024 (released 2026-01-29)) shown with its margin of error. Full per-dataset detail: /sources/.