Sacramento, keep that nose to the grindstone. Our fair city ranks No. 20 on a list of the 50 hardest-working American cities.  

Locality.com analyzed the average number of hours that local businesses work each week -- with an emphasis on service-oriented businesses like dry cleaners and hair salons.  

Sacramento's average was just over 60-hours. New York is No. 1 at just over 65-hours.  

Los Angeles was No. 4. San Francisco is ranked the 41st hardest-working city out of 50.

TOP 50 HARDEST WORKING U.S. CITIES (with average hours worked per week)

1. NEW YORK (65.91 hours)

2. LAS VEGAS (64.61 hours)

3. BOSTON (63.49 hours)

4. LOS ANGELES (62.85 hours)

5. SAN JOSE  (62.59 hours)

6. PHOENIX (62.35 hours)

7. CHICAGO (61.54 hours)

8. INDIANAPOLIS (61.47 hours)

9. MINNEAPOLIS (61.20 hours)

10. OMAHA (61.00 hours)

11. RALEIGH (61.00 hours)

12. CHARLOTTE (60.87 hours)

13. MESA (60.83 hours)

14. SAN DIEGO (60.83 hours)

15. LONG BEACH (60.72 hours)

16. ATLANTA (60.70 hours)

17. MILWAUKEE (60.66 hours)

18. HOUSTON (60.59 hours)

19. FRESNO (60.52 hours)

20. SACRAMENTO (60.29 hours)

21. COLUMBUS (60.04 hours)

22. VIRGINIA BEACH (59.77 hours)

23. MIAMI (59.62 hours)

24. KANSAS CITY (59.53 hours)

25. DENVER (59.4 hours)

26. EL PASO (59.47 hours)

27. SAN ANTONIO (59.43 hours)

28. WASHINGTON (59.21 hours)

29. DALLAS (59.20 hours)

30. BALTIMORE (59.07 hours)

31. PHILADELPHIA (59.04 hours)

32. JACKSONVILLE (59.01 hours)

33. AUSTIN (58.96 hours)

34. SEATTLE (58.91 hours)

35. COLORADO SPRINGS (58.39 hours)

36. OKLAHOMA CITY (58.34 hours)

37. MEMPHIS (58.33 hours)

38. PORTLAND (58.32 hours)

39. WICHITA (58.22 hours)

40. TUCSON (58.17 hours)

41. SAN FRANCISCO (57.79 hours)

42. NASHVILLE (57.58 hours)

43. FORT WORTH (57.58 hours)

44. ARLINGTON (57.17 hours)

45. OAKLAND (57.16 hours)

46. LOUISVILLE (56.97 hours)

47. ALBUQUERQUE (56.72 hours)

48. CLEVELAND (55.94 hours)

49. DETROIT (55.81 hours)

50. TULSA, OK (55.66 hours)