Trends · data through September 2026

Grocery & Convenience trends in Portland-South Portland, ME

Iceflower tracks 379 stores from 329 grocery & convenience chains in Portland-South Portland, ME. Rosemont Market grew fastest over the last year, ahead of Market Basket and Shaw's.

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
329
Tracked stores
379
Consumer panel
130M+

Growth ranking

Fastest-growing tracked grocery & convenience 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. Rosemont Market and Market Basket sit in the high-growth half.

# Chain YoY growth
RankChainRank movementYoY growth
1 Rosemont Market - +12.9%
2 Market Basket ▲1 +7.1%
3 Shaw's ▼1 +2.7%
4 Hannaford - -5.0%

Store footprint

Store map

379 tracked store locations in Portland-South Portland, ME, colored by category. The top 5 chains by store count run 49 of the 379 stores (13%); 318 of the 329 tracked chains have a single store here. 9% of the tracked grocery & convenience stores here are liquor stores, against 6% across Maine.

Top tracked chains by store count

  • 1 Hannaford 29
  • 2 Shaw's 11
  • 3 Market Basket 3
  • 4 Rosemont Market and Bakery 3
  • 5 Rosemont Market 3
  • 6 Food City 2
  • 7 New Morning Natural Foods 2
  • 8 Maine-ly Drizzle 2
  • 9 Three D's Variety Store 2
  • 10 Stonewall Kitchen 2
  • 11 Maria Grocery Stores 1
  • 12 Native Maine Produce 1
  • 13 Nature's Way Market 1
  • 14 Southpaw Meat Market 1
  • 15 Stateline Mini Mart & Deli 1
  • 16 Dirigo Ranch 1
  • 17 Sun Oriental Market 1
  • 18 SoPo Seafood 1
  • 19 Limerick Village Variety 1
  • 20 Shiva Market 1
  • 21 Windy Hill Farm Market LLC 1
  • 22 Old Port Spirits & Cigars 1
  • 23 Glory Store LLC 1
  • 24 Union Wharf Market 1
  • 25 Ferry Village Market 1
  • 26 Mainely Seafood Company 1
  • 27 Beachway Market 1
  • 28 Tropical Caribbean LLC 1
  • 29 Medeo European Food & Deli 1
  • 30 Snell Family Farm 1
  • 31 Sea Star Market 1
  • 32 Maine Homestead 1
  • 33 Kennebec Meat Co. 1
  • 34 La Bodega Latina 1
  • 35 Flaherty's Family Farm 1
  • 36 JORDAN'S STORE 1
  • 37 Bootleggers Beverage Warehouse 1
  • 38 Rocky Ridge Orchard 1
  • 39 Bailey Island General Store 1
  • 40 The City Beverage Center 1
  • 41 Kittery Food Mart 1
  • 42 Sissle & Daughters Cheesemongers & Grocers 1
  • 43 Hilltop Superette 1
  • 44 One Earth Natural Food Store 1
  • 45 Taylor Lobster Co. 1
  • 46 Sirloin's Butcher Shop 1
  • 47 Harris Farms 1
  • 48 Jaky's Market & Deli 1
  • 49 Chipman Farm 1
  • 50 Fairwinds Farm 1

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