TAXES 18-64, Maryland State and County Income Tax Withholding
Published: September 24, 2018
Effective: Pay Period 18, 2018
Summary
The maximum standard deduction amount for Maryland State and counties will increase from $2,000 to $2,250.
No action on the part of the employee or the personnel office is necessary.
Tax Formula
State Abbreviation: |
MD |
State Tax Withholding State Code: |
24 |
Acceptable Exemption Form: |
MW 507 |
Basis for Withholding: |
State Exemptions |
Acceptable Exemption Data: |
S/M, Number of Allowances |
TSP Deferred: |
Yes |
Special Coding: |
Determine the Total Number of Allowances Claimed field as follows: First Position - S = Single; M = Married. Second and Third Positions - Enter the number of exemptions claimed. |
Additional Information: |
The Maryland State income tax formula contains a computation for Maryland county tax. Residents of the State of Maryland are required to pay the appropriate county tax in addition to the State income tax. Nonresidents of Maryland pay only the State income tax. Refer to the withholding formula for information on the individual county rates. |
Withholding Formula (Effective Pay Period 18, 2018)
- Subtract the nontaxable biweekly Thrift Savings Plan (TSP) contribution from the gross biweekly wages.
- Subtract the nontaxable biweekly Federal Health Benefits Plan payment(s) (includes dental and vision insurance program and Flexible Spending Account - health care and dependent care deductions) from the amount computed in step 1.
- Add the taxable biweekly fringe benefits (e.g., taxable life insurance) to the amount computed in step 2 to obtain the adjusted gross biweekly wages.
- Multiply the adjusted gross biweekly wages by the number of pay dates in the tax year to obtain the gross annual wages.^{1}
^{1 }_{If gross annual wages are less than $5,000, taxes will not be withheld.}
- Determine the standard deduction by applying the following guideline and subtract this amount from the gross annual wages computed in step 4:
Standard Deduction^{2} = 15 percent x Annual Wages
^{2 }_{Minimum of $1,500/Maximum of $2,250}
- Determine the dependent allowance by applying the following guideline and subtract this amount from the result of step 5 to determine the taxable income:
Exemption Allowance = $3,200 x Number of Exemptions
- Apply the taxable income computed in step 6 to the following table to determine the annual Maryland tax withholding:
Maryland Residents Working in Delaware
The amount to be withheld should be 3.20 percent.
Maryland Nonresident Not Subject to Maryland County Tax
Married
If the Amount of Taxable Income Is:
The Amount of Maryland Tax Withholding Should Be:
Over $0 but not over $150,000
6.50%
Over $150,000 but not over $175,000
$9,750.00 plus 6.75% of excess over $150,000.00
Over $175,000 but not over $225,000
$11,437.50 plus 7.00% of excess over $175,000.00
Over $225,000 but not over $300,000
$14,937.50 plus 7.25% of excess over $225,000.00
Over $300,000
$20,375.00 plus 7.50% of excess over $300,000.00
Single
If the Amount of Taxable Income Is:
The Amount of Maryland Tax Withholding Should Be:
Over $0 but not over $100,000
6.50%
Over $100,000 but not over $125,000
$6,500.00 plus 6.75% of excess over $100,000.00
Over $125,000 but not over $150,000
$8,187.50 plus 7.00% of excess over $125,000.00
Over $150,000 but not over $250,000
$9,937.50 plus 7.25% of excess over $150,000.00
Over $250,000
$17,187.50 plus 7.50% of excess over $250,000.00
All Other Employees
Married
If the Amount of Taxable Income Is:
The Amount of Maryland Tax Withholding Should Be:
Over $0 but not over $150,000
4.75%
Over $150,000 but not over $175,000
$7,125.00 plus 5.00% of excess over $150,000.00
Over $175,000 but not over $225,000
$8,375.00 plus 5.25% of excess over $175,000.00
Over $225,000 but not over $300,000
$11,000.00 plus 5.50% of excess over $225,000.00
Over $300,000
$15,125.00 plus 5.75% of excess over $300,000.00
Single
If the Amount of Taxable Income Is:
The Amount of Maryland Tax Withholding Should Be:
Over $0 but not over $100,000
4.75%
Over $100,000 but not over $125,000
$4,750.00 plus 5.00% of excess over $100,000.00
Over $125,000 but not over $150,000
$6,000.00 plus 5.25% of excess over $125,000.00
Over $150,000 but not over $250,000
$7,312.50 plus 5.50% of excess over $150,000.00
Over $250,000
$12,812.50 plus 5.75% of excess over $250,000.00
- Divide the result of step 7 by the number of pay dates in the tax year to obtain the biweekly Maryland State tax. Residents of Maryland are to proceed to step 9 to compute Maryland county tax.
- If the employee is a resident of the State of Maryland, compute the annual county tax withholding as follows:
- Repeat steps 1 through 5.
- Determine the dependent allowance by applying the following guideline and subtract this amount from the result of step 9a to determine the taxable county income:
Exemption Allowance = $3,200 x Number of Exemptions
- Apply the taxable income computed in 9b to the following guideline to determine the appropriate county income tax:
Compute the Annual Income Tax Withholding For:
By Multiplying the Annual Taxable Wage By:
Allegany
3.05%
Anne Arundel
2.50%
Baltimore
2.83%
Baltimore City
3.20%
Calvert
3.00%
Caroline
2.73%
Carroll
3.03%
Cecil
3.00%
Charles
3.03%
Dorchester
2.62%
Fredrick
2.96%
Garrett
2.65%
Harford
3.06%
Howard
3.20%
Kent
2.85%
Montgomery
3.20%
Prince George's
3.20%
Queen Anne's
3.20%
St. Mary's
3.00%
Somerset
3.20%
Talbot
2.40%
Washington
2.80%
Wicomico
3.20%
Worcester
1.75%
- Divide the result of step 9c by the number of pay dates in the tax year to obtain the biweekly Maryland county tax.
- Add the results of steps 8 and 9d to determine the resident’s biweekly Maryland State and county tax combined withholding.
Resources
To view the updated tax formula, go to the
page from the drop-down menu on the National Finance Center (NFC) homepage. Select the tab and select from the menu to launch the tax map. Select the desired State from the map provided for the formula.Inquiries
For questions about NFC processing, authorized Servicing Personnel Office representatives should contact the NFC Contact Center at
or via the customer service portal.