Trends · data through September 2026

Auto Parts Stores in Illinois

Iceflower tracks 941 stores from 150 auto parts store chains in Illinois. Interstate All Battery Center grew fastest over the last year, ahead of O'Reilly Auto Parts and AutoZone.

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
150
Tracked stores
941
Consumer panel
130M+

Metro by metro

The leading auto parts store chains in every Illinois metro area

Tracked auto parts store chains ranked by consumer spend in each metro area, Q4 2025–Q3 2026. O'Reilly Auto Parts leads in 5 metro areas, AutoZone in 4 metro areas, and Advance Auto Parts in 1 metro area. Against their share in Illinois as a whole, O'Reilly Auto Parts stands out in 5 metro areas, AutoZone in 3 metro areas, and Advance Auto Parts in 2 metro areas.

By tracked consumer spend, Q4 2025–Q3 2026

Not enough tracked stores: Cape Girardeau, MO-IL (IL part) · Paducah, KY-IL (IL part)

Not enough tracked stores: Cape Girardeau, MO-IL (IL part) · Paducah, KY-IL (IL part)

A metro area shows a ranking once it has at least 2 tracked auto parts store chains and 10 tracked stores. Relative to Illinois compares a chain's share of the metro area's spend with its share in Illinois as a whole. It ranks the 7 biggest chains in Illinois and the chains that lead a metro area by spend, wherever a chain has at least 5% of the metro area's spend and 3 stores there. Metro areas are the Census Bureau's metropolitan statistical areas; the rest of Illinois is light gray. A metro area crossing the state line counts only its stores in Illinois. Colors match the store map; other tracked chains are gray.

Growth ranking

Fastest-growing tracked auto parts store 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. Interstate All Battery Center and O'Reilly Auto Parts sit in the high-growth half.

# Chain YoY growth
RankChainRank movementYoY growth
1 Interstate All Battery Center ▲1 +9.9%
2 O'Reilly Auto Parts - +2.8%
3 AutoZone - -0.7%
4 Advance Auto Parts - -3.4%
5 Bumper to Bumper - -13.5%
6 Fisher Auto Parts - -16.5%
7 LKQ Pick Your Part ▼1 -25.5%
8 Carquest Auto Parts - -35.1%
  • AutoZone
  • O'Reilly Auto Parts
  • Advance Auto Parts
  • NAPA Auto Parts
  • McGrath City Honda
  • Best Source Parts
  • FleetPride
  • Other tracked chains

Store footprint

Store map

941 tracked store locations in Illinois. The 7 largest tracked chains are highlighted. The top 5 chains by store count run 755 of the 941 stores (80%); 135 of the 150 tracked chains have a single store here. 11% of the tracked gas & auto stores here are auto parts stores, the same share as across the United States.

  • AutoZone (255)
  • O'Reilly Auto Parts (236)
  • Advance Auto Parts (156)
  • NAPA Auto Parts (95)
  • McGrath City Honda (1)
  • Best Source Parts (1)
  • FleetPride (10)
  • Other tracked chains

Top tracked chains by store count

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