Trends · data through September 2026

Self Storage Facilities in Michigan

Iceflower tracks 353 stores from 139 self storage facility chains in Michigan. Boxer Storage grew fastest over the last year, ahead of Extra Space Storage and SpareBox Storage.

Rankings come from real card and bank transactions across a panel of 130M+ US and EU consumers. We publish relative growth and rankings, never revenue figures. About the data

Tracked chains
139
Tracked stores
353
Consumer panel
130M+

Growth ranking

Fastest-growing tracked self storage facility chains

Ranked by year-over-year growth of share of tracked local spend. Arrows show movement in the rankings since last year. Each dot in the chart is one tracked chain: bigger market position to the right, faster growth higher up, more tracked stores in a bigger dot. Colors match the store map below. Boxer Storage and Extra Space Storage sit in the high-growth half.

# Chain YoY growth
RankChainRank movementYoY growth
1 B Boxer Storage ▲2 +19.9%
2 E Extra Space Storage logo Extra Space Storage - +0.6%
3 S SpareBox Storage logo SpareBox Storage ▲1 -2.4%
4 S Storage Rentals of America logo Storage Rentals of America ▲1 -7.4%
5 S SmartStop Self Storage logo SmartStop Self Storage - -12.6%
6 S Storage Sense logo Storage Sense - -12.9%
7 L Lock-It-Up Self Storage ▼1 -15.4%
8 C Compass Self Storage logo Compass Self Storage ▼1 -19.8%
9 I iStorage logo iStorage ▲1 -23.9%
10 C CubeSmart Self Storage logo CubeSmart Self Storage ▼3 -53.0%
11 S Storage of America logo Storage of America - -100.0%
  • Extra Space Storage
  • iStorage
  • Storage Rentals of America
  • SpareBox Storage
  • National Storage
  • Devon Self Storage
  • CubeSmart Self Storage
  • Other tracked chains

Store footprint

Store map

353 tracked store locations in Michigan. The 7 largest tracked chains are highlighted.

  • Extra Space Storage (28)
  • iStorage (15)
  • Storage Rentals of America (26)
  • SpareBox Storage (16)
  • National Storage (16)
  • Devon Self Storage (14)
  • CubeSmart Self Storage (32)
  • Other tracked chains

Top tracked chains by store count

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