Mo. Rev. Stat. § 52.269
1. In all counties, except first classification counties having a charter form of government and first classification counties not having a charter form of government and not containing any part of a city with a population of three hundred thousand or more, the county collector shall receive an annual salary which shall be paid in equal monthly installments by the county. The salary shall be computed on an assessed valuation basis as provided in this subsection. The assessed valuation factor shall be the amount as shown for the year next preceding the annual salary computation. A county collector subject to the provisions of this section shall not receive an annual compensation less than the total compensation being received by the county collector in that county for services rendered or performed for the period beginning March 1, 1987, and ending February 29, 1988. The county collector shall receive the same percentage adjustments provided by the county salary commissions for county officers in that county pursuant to section 50.333. The provisions of this section shall not permit or require a reduction in the amount of compensation being paid for the office of county collector on January 1, 1997, or less than the total compensation being received for the services rendered or performed for the period beginning March 1, 1987, and ending February 29, 1988. The salary shall be computed on the basis of the following schedule:
| Assessed Valuation | Salary | |||
| $18,000,000 | to | 40,999,999 | $29,000 | |
| 41,000,000 | to | 53,999,999 | 30,000 | |
| 54,000,000 | to | 65,999,999 | 32,000 | |
| 66,000,000 | to | 85,999,999 | 34,000 | |
| 86,000,000 | to | 99,999,999 | 36,000 | |
| 100,000,000 | to | 130,999,999 | 38,000 | |
| 131,000,000 | to | 159,999,999 | 40,000 | |
| 160,000,000 | to | 189,999,999 | 41,000 | |
| 190,000,000 | to | 249,999,999 | 41,500 | |
| 250,000,000 | to | 299,999,999 | 43,000 | |
| 300,000,000 | or | more | 45,000 |
(L. 1987 S.B. 65, et al., A.L. 1988 S.B. 431, A.L. 1990 H.B. 1452, A.L. 1993 S.B. 250, A.L. 1997 S.B. 11, A.L. 2004 H.B. 795, et al.)
CROSS REFERENCE:
Compensation in certain first classification counties, 50.343