City rankings

Youngest Cities in Arizona

Flagstaff ranks #1 in Arizona for youngest cities at 25.9 yrs.

This ranking orders all 50 qualifying Arizona cities by median age, computed directly from the U.S. Census Bureau's American Community Survey and CDC PLACES datasets, never a blended or proprietary score. It is one of 9 single-metric rankings Areazine publishes for Arizona, each answering one direct question from official federal data. Compare Flagstaff's standing against every other Arizona city ranked below.

50
Cities ranked
25.9 yrs
#1 Flagstaff
55.3 yrs
Lowest, Catalina Foothills

What this Arizona 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.

Flagstaff leads 50 Arizona cities at 25.9 yrs, while Catalina Foothills sits at the bottom with 55.3 yrs - a total spread of 29.4 yrs on median age. The top 5 occupy 23% of that range, indicating a moderate distribution with meaningful steps between rungs.

The median Arizona city in this list sits at 37.9 yrs, 12.0 yrs behind Flagstaff. See our methodology for ranking construction, data vintage, refresh cadence, and the federal upstream tables we join, and triangulate via the 8 other Arizona rankings below, cities that lead on multiple lenses are the most robust signals.

Top 5 - Youngest Cities

Top 5 Arizona cities ranked by median age
Rank City median age Population
#1 Flagstaff 25.9 yrs 70K
#2 Central City 26.8 yrs 58K
#3 Tempe 30.0 yrs 176K
#4 Somerton 31.3 yrs 15K
#5 El Mirage 32.7 yrs 34K

Does median age track with city size?

Youngest Cities vs. population, top 25 ranked cities

Source: U.S. Census Bureau (population), median age per methodology 2×2 strategic matrix plotting 25 entities by Population (X) and median age (Y), with a crosshair dividing the plot into four quadrants. Large & highSmall & highLarge & lowSmall & low -500,0000500,0001,000,0001,500,0002,000,000 25303540 Population median age Youngest Cities vs. population, top 25 ranked cities
Source: U.S. Census Bureau (population), median age per methodology

Youngest Cities 50

More Arizona Rankings 8

Reading this Arizona 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 Arizona; it tells you that, among cities of population ten thousand and above in Arizona 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 Arizona 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).