Any county not listed for this state is $37 unless otherwise indicated.

1820 Census 
Mississippi - $37 each county

1830 Census
Mississippi - $27 each county

1840 Census
Mississippi - $37 each county

1850 Census 
Mississippi - $37 each county for "free" schedules except as follows:
              $57 each for the counties of: Carroll, Chickasaw
              $97 for the county of: Marshall
              $27 each county for "slave" schedules except for the following:
              $17 for the "slave" schedule for: Monroe

1860 Census
Mississippi - $37 each county for "free" schedules except as follows:
              $17 for the county of: Leake
              $27 each for the counties of: Attala, Carroll
              $57 each for the counties of: Chickasaw, Choctaw, 
                     Itawamba, Jasper, Lafeyette, Lauderdale, Marshall,
                     Monroe, Pontotoc, Rankin, Tishomingo, Wayne
              $27 each county for "slave" schedules except for the following:
              $17 for the "slave" schedule for: Monroe

1870 Census 
Mississippi - $37 each county except as follows: 
              $17 for the county of: Lawrence 
              $57 each for the counties of: Adams, Alcorn, Claiborne, 
                     Clarke, Holmes, Issaquena, Lauderdale, 
                     Leake, Lee, Madison, Marion, Monroe, Neshoba, 
                     Perry, Pike, Pontotoc, Prentiss, Tippah, 
                     Tishomingo, Tunica, Warren, Washington, Wayne, 
                     Wilkinson, Winston, Yalobusha, Yazoo 
              $77 for the county of: Lowndes  
              $97 each for the counties of: Amite, Carroll, Chickasaw,
                     Choctaw, De Soto, Hinds, Lafayette, Lincoln, 
                     Marshall, Newton, Noxubee, Oktibbcha, 
                     Panola 

1880 Census
Mississippi - $37 each county except as follows:
               $9 for the county of: Greene
              $27 each for the counties: Clarke, Sumner
              $57 each for the counties of: Hinds, Holmes, Kemper, 
                     Lafayette, Lee, Leflore, Lincoln, Lowndes, Marion,
                     Marshall, Monroe, Montgomery, Noxubee, Oktibbeha, 
                     Panola, Perry, Warren, Washington, Yazoo 
             $197 for the county of: Adams OR  
              $22 each Enumeration District (EDs) 

1900 Census 
Mississippi - $57 each county except as follows:
              $17 for the county of: Pearl River, Pontotoc, Quitman  
              $27 each for the counties of: Perry, Rankin, Smith 
              $37 each for the counties of: Chickasaw, Choctaw, 
                     Claiborne, Clarke, Covington, De Soto, Franklin,
                     Greene, Granada, Hancock, Issaquena, Itawamba, 
                     Jackson, Jasper, Jefferson, Leake, Lee, Marion, 
                     Newton, Noxubee, Pearl River, Prentiss, Scott, Sharkey,
                     Sunflower, Tate, Tishomingo, Tunica, Union, 
                     Wayne, Webster, Wilkinson, Winston, Yalobusha 
              $47 for the county of: Rankin 
              $77 for the county of: Holmes
              $97 each for the counties of: Harrison, Hinds, Lauderdale, 
                     Lawrence, Madison, Montgomery, Neshoba, Panola, Warren, Yazoo 
             $197 for the county of: Washington

1910 Census
Mississippi - $57 each county except as follows:
              $37 each for the counties of: Adams, Alcorn, Amite,
                     Attala, Calhoun, Carroll, Chickasaw, Choctaw, 
                     Claiborne, Clarke, Clay, Covington, De Soto,
                     Forest, Franklin, George, Greene, Grenada,
                     Hancock, Issaquena, Itawamba, Jasper, Jefferson, 
                     Kemper, Lafayette, Leake, Lincoln, Marion, 
                     Marshall, Neshoba, Newton, Noxubee, Oktibbeha, 
                     Pearl River, Perry, Pike, Pontotoc, Prentiss, 
                     Quitman, Rankin, Scott, Sharkey, Sunflower, 
                     Tallahatchie, Tate, Tippah, Tunica, Union, Wayne, 
                     Webster, Wilkinson, Yalobusha                      
              $97 each for the counties of: Bolivar, Harrison, Hinds, 
                     Holmes, Jones, Lawrence, Madison, Panola,
                     Washington, Yazoo                   
             $167 for the county of: Lauderdale

1920 Census 
Mississippi - $37 each county except as follows: 
              $57 each for the counties of: Bolivar, Lauderdale, Washington, Yazoo 
              $67 for the county: Jones 
              $97 each for the counties of: Hinds, Tallahatchie