State income tax rate: ~4.4%
| Salary | Federal | FICA | State | Take-Home | Monthly |
|---|---|---|---|---|---|
| $20,000 | $500 | $1,530 | $880 | $17,090 | $1,424 |
| $25,000 | $1,000 | $1,912 | $1,100 | $20,988 | $1,749 |
| $30,000 | $1,562 | $2,295 | $1,320 | $24,824 | $2,069 |
| $35,000 | $2,162 | $2,678 | $1,540 | $28,621 | $2,385 |
| $40,000 | $2,762 | $3,060 | $1,760 | $32,418 | $2,702 |
| $45,000 | $3,362 | $3,442 | $1,980 | $36,216 | $3,018 |
| $50,000 | $3,962 | $3,825 | $2,200 | $40,014 | $3,334 |
| $55,000 | $4,562 | $4,208 | $2,420 | $43,811 | $3,651 |
| $60,000 | $5,162 | $4,590 | $2,640 | $47,608 | $3,967 |
| $65,000 | $5,914 | $4,972 | $2,860 | $51,254 | $4,271 |
| $70,000 | $7,014 | $5,355 | $3,080 | $54,551 | $4,546 |
| $75,000 | $8,114 | $5,738 | $3,300 | $57,848 | $4,821 |
| $80,000 | $9,214 | $6,120 | $3,520 | $61,146 | $5,096 |
| $85,000 | $10,314 | $6,502 | $3,740 | $64,444 | $5,370 |
| $90,000 | $11,414 | $6,885 | $3,960 | $67,741 | $5,645 |
| $95,000 | $12,514 | $7,268 | $4,180 | $71,038 | $5,920 |
| $100,000 | $13,614 | $7,650 | $4,400 | $74,336 | $6,195 |
| $110,000 | $15,814 | $8,415 | $4,840 | $80,931 | $6,744 |
| $120,000 | $18,047 | $9,180 | $5,280 | $87,493 | $7,291 |
| $130,000 | $20,447 | $9,945 | $5,720 | $93,888 | $7,824 |
| $140,000 | $22,847 | $10,710 | $6,160 | $100,283 | $8,357 |
| $150,000 | $25,247 | $11,475 | $6,600 | $106,678 | $8,890 |
| $175,000 | $31,247 | $13,388 | $7,700 | $122,666 | $10,222 |
| $200,000 | $37,247 | $13,818 | $8,800 | $140,135 | $11,678 |
Iowa uses a graduated income tax system with rates that increase as income rises. The effective rate for most earners works out to approximately 4.4%.