The median income of Mercer residents was $28,949 per year, adjusted for inflation. It had 901 households with a population of 1,784.
The city with the highest median resident income in the state was Fox Chapel with $92,457 per year after adjusting for inflation – $63,508 more than Mercer. It had 1,797 households with a population of 5,121.
The city with the lowest median resident income in the state was Loretto with $4,384 per year after adjusting for inflation – $24,565 less than Mercer. It had 105 households with a population of 1,190.
Top 100 cities by earnings per resident (2019)
| Rank | City | Earnings per resident |
|---|---|---|
| 1 | Fox Chapel | $92,457 |
| 2 | Devon | $81,442 |
| 3 | Ben Avon Heights | $81,000 |
| 4 | Chesterbrook | $78,221 |
| 5 | Edgeworth | $75,451 |
| 6 | Woodside | $73,777 |
| 7 | Dryville | $72,991 |
| 8 | Thornburg | $69,250 |
| 9 | Mount Gretna | $69,063 |
| 10 | Rose Valley | $67,857 |
| 11 | Sewickley Heights | $67,500 |
| 12 | Birmingham | $65,625 |
| 13 | Eagles Mere | $63,542 |
| 14 | Woodbourne | $63,484 |
| 15 | West Conshohocken | $63,380 |
| 16 | Blue Bell | $62,022 |
| 17 | Noblestown | $60,774 |
| 18 | Newtown Grant | $60,045 |
| 19 | Sewickley Hills | $60,000 |
| 20 | Franklin Park | $59,894 |
| 21 | Snydertown | $58,239 |
| 22 | Narberth | $57,390 |
| 23 | Evansburg | $57,212 |
| 24 | Skippack | $56,515 |
| 25 | Rosslyn Farms | $56,500 |
| 26 | Yardley | $56,382 |
| 27 | Upper St. Clair | $56,333 |
| 28 | Ivyland | $56,250 |
| 29 | Seven Fields | $56,231 |
| 30 | Bradford Woods | $56,111 |
| 31 | Glen Osborne | $56,000 |
| 32 | Berwyn | $55,541 |
| 33 | Waverly | $55,208 |
| 34 | Penn Wynne | $54,841 |
| 35 | Maple Glen | $54,023 |
| 36 | Bear Creek Village | $53,750 |
| 37 | Audubon | $53,333 |
| 38 | Pennsbury Village | $53,295 |
| 39 | Flourtown | $53,285 |
| 40 | New Schaefferstown | $52,961 |
| 41 | Ancient Oaks | $52,827 |
| 42 | Exton | $52,404 |
| 43 | Conshohocken | $52,360 |
| 44 | Malvern | $51,658 |
| 45 | Newtown | $51,643 |
| 46 | Penryn | $51,633 |
| 47 | Fort Washington | $51,622 |
| 48 | Woxall | $51,597 |
| 49 | Montgomeryville | $51,560 |
| 50 | McMurray | $51,517 |
| 51 | Smoketown | $50,654 |
| 52 | Washington Boro | $50,648 |
| 53 | Ardmore | $50,495 |
| 54 | Milford Square | $50,344 |
| 55 | Aspinwall | $50,298 |
| 56 | Jenkintown | $49,734 |
| 57 | Caln | $49,575 |
| 58 | Edgewood | $49,536 |
| 59 | Alleghenyville | $49,491 |
| 60 | Spinnerstown | $49,375 |
| 61 | Sunrise Lake | $49,004 |
| 62 | King of Prussia | $48,973 |
| 63 | Flying Hills | $48,958 |
| 64 | Stonybrook | $48,889 |
| 65 | Churchill | $48,750 |
| 66 | Indian Lake | $48,333 |
| 67 | Spring Ridge | $48,313 |
| 68 | Raubsville | $48,065 |
| 69 | Pocono Pines | $47,917 |
| 70 | Richboro | $47,885 |
| 71 | Bell Acres | $47,824 |
| 72 | Laurys Station | $47,639 |
| 73 | Linntown | $47,595 |
| 74 | Pottsgrove | $47,552 |
| 75 | Deer Lake | $47,464 |
| 76 | Lake Heritage | $47,222 |
| 77 | Hometown | $47,115 |
| 78 | Pine Grove Mills | $47,049 |
| 79 | Chalfont | $46,875 |
| 80 | Breinigsville | $46,783 |
| 81 | Zion | $46,511 |
| 82 | Gibsonia | $46,383 |
| 83 | Springmont | $46,354 |
| 84 | Plymouth Meeting | $46,265 |
| 85 | Dorneyville | $46,071 |
| 86 | Ben Avon | $45,911 |
| 87 | Blandon | $45,841 |
| 88 | Tylersburg | $45,795 |
| 89 | Hulmeville | $45,735 |
| 90 | Churchville | $45,391 |
| 91 | Glenburn | $45,321 |
| 92 | Houserville | $45,300 |
| 93 | Thompsonville | $45,185 |
| 94 | Prospect Park | $45,163 |
| 95 | Green Tree | $44,899 |
| 96 | Carroll Valley | $44,881 |
| 97 | Spring House | $44,825 |
| 98 | Penn Lake Park | $44,712 |
| 99 | Lake Meade | $44,634 |
| 100 | Lincoln Park | $44,535 |
* All values are inflation-adjusted
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