City rankings

Fastest Growing Cities in South Dakota

Sioux Falls ranks #1 in South Dakota for fastest growing cities at +17.4%.

This ranking orders all 11 qualifying South Dakota cities by population change, computed from the named federal field or time-series described below. It is one of 9 transparent ranking lenses Areazine publishes for South Dakota, each answering one direct question from official data. Compare Sioux Falls's standing against every other South Dakota city ranked below.

Data updated 2026-08-21

11
Cities ranked
+17.4%
#1 Sioux Falls
+1.7%
Lowest, Mitchell

What this South Dakota ranking shows

According to the U.S. Census Bureau's American Community Survey (ACS) 5-year estimates, the CDC PLACES population-level health analysis, and the CMS Hospital Compare quality data, Areazine ranks U.S. cities across more than 19,000 incorporated places, census-designated places, and consolidated city-county governments. State-level city rankings combine these federal datasets to produce intra-state comparisons across demographics, economics, health outcomes, and hospital quality.

Sioux Falls leads 11 South Dakota cities at +17.4%, while Mitchell sits at the bottom with +1.7% - a total spread of +15.8% on population change. The top 5 occupy 52% of that range, indicating a wide separation between leaders and the rest of the field.

The median South Dakota city in this list sits at +9.1%, +8.4% behind Sioux Falls. See our methodology for ranking construction, data vintage, refresh cadence, and the federal upstream tables we join, and triangulate via the 8 other South Dakota rankings below, cities that lead on multiple lenses are the most robust signals.

Top 5 - Fastest Growing Cities

Top 5 South Dakota cities ranked by population change
Rank City population change Population
#1 Sioux Falls +17.4% 172K
#2 Spearfish +12.0% 11K
#3 Rapid City +10.5% 74K
#4 Brookings +9.5% 24K
#5 Huron +9.3% 13K

Does population change track with city size?

Fastest Growing Cities vs. population, top 25 ranked cities

Source: U.S. Census Bureau (population), population change per methodology 2×2 strategic matrix plotting 11 entities by Population (X) and population change (Y), with a crosshair dividing the plot into four quadrants. Large & strongSmall & strongLarge & weakSmall & weak 050,000100,000150,000200,000 05101520 Population population change Sioux FallsSpearfishRapid CityBrookingsHuronVermillionWatertownYanktonPierreAberdeenMitchell
Source: U.S. Census Bureau (population), population change per methodology

Fastest Growing Cities 11

More South Dakota Rankings 8

Reading this South Dakota ranking responsibly

Single-metric rankings are useful precisely because they are honest about what they measure. A "highest income" ranking does not tell you that the top-ranked city is the best place to live in South Dakota; it tells you that, among cities of population ten thousand and above in South Dakota that have a published median household income field in the most recent American Community Survey five-year estimates, this city has the highest such value. That precise definition matters, because composite "best places" lists from real-estate marketing sites and lifestyle magazines often combine income with subjective weights on schools, walkability, and amenities, producing a score whose components are not disclosed and whose ordering is not reproducible. Areazine's editorial commitment is to keep the underlying field, source, and vintage visible so the reader can audit any rank in this list against the canonical federal record.

Cross-checking against other rankings is a useful sanity test. A city that appears in the top ten on three or more different rankings, for example, highest income, most educated, and lowest poverty, is showing a robust signal across multiple independent dimensions. A city that appears in the top ten on only one ranking and middling on the others is showing a narrower signal, often driven by a single statistical artifact (a small population pulling the per-capita measure, a recent acquisition spike inflating median home value, an outlier survey year). The other nine South Dakota rankings linked above provide that cross-check at zero extra effort.

Data Sources

Population and economic data from the Census Bureau American Community Survey (2024 5-year estimates). Health data from the CDC PLACES (2023). Ranking computations use U.S. Census Bureau reference geographies. Crime statistics, where referenced, originate from the FBI Uniform Crime Reporting program (also accessible via the Crime Data Explorer).