| Party | |||||||||
| Contrib from | Contrib from | Candidate | Loans from | Other | Party | Coordinated | |||
| Number | Receipts | Individuals | PACs | Contributions | Candidate | Loans | Contributions | Expenditures | |
| Senate | 143 | $223,173,277 | $140,636,433 | $41,930,748 | $12,047,842 | $16,911,707 | $216,000 | $1,409,978 | $19,362,990 |
| Democrats | 34 | $107,573,104 | $68,674,719 | $14,997,712 | $11,676,650 | $6,405,013 | $0 | $637,734 | $8,611,897 |
| Incumbents | 7 | $35,109,799 | $26,835,409 | $4,873,675 | $0 | $1,940,000 | $0 | $165,933 | $1,330,580 |
| Challengers | 14 | $33,853,062 | $18,257,438 | $2,304,617 | $11,161,081 | $1,248,720 | $0 | $214,406 | $2,638,799 |
| Open Seats | 13 | $38,610,243 | $23,581,872 | $7,819,420 | $515,569 | $3,216,293 | $0 | $257,395 | $4,642,518 |
| Republicans | 34 | $115,122,629 | $71,747,415 | $26,931,357 | $224,013 | $10,427,390 | $200,000 | $772,244 | $10,751,093 |
| Incumbents | 13 | $45,978,985 | $28,642,563 | $14,320,621 | $671 | $775,000 | $0 | $252,048 | $4,005,871 |
| Challengers | 8 | $23,214,103 | $17,844,981 | $3,699,233 | $13,057 | $730,117 | $200,000 | $176,324 | $2,349,808 |
| Open Seats | 13 | $45,929,541 | $25,259,871 | $8,911,503 | $210,285 | $8,922,273 | $0 | $343,872 | $4,395,414 |
| Other Party | 75 | $477,544 | $214,299 | $1,679 | $147,179 | $79,304 | $16,000 | $0 | $0 |
| Challengers | 46 | $290,909 | $116,207 | $1,679 | $93,119 | $53,692 | $16,000 | $0 | $0 |
| Open Seats | 29 | $186,635 | $98,092 | $0 | $54,060 | $25,612 | $0 | $0 | $0 |
| House | 1384 | $451,250,384 | $248,098,469 | $151,406,473 | $4,021,283 | $26,332,615 | $795,431 | $3,893,001 | $14,951,664 |
| Democrats | 435 | $204,815,415 | $101,925,221 | $74,808,026 | $1,844,422 | $16,723,274 | $238,202 | $1,387,952 | $6,786,959 |
| Incumbents | 171 | $107,399,024 | $51,246,436 | $49,774,735 | $141,174 | $539,461 | $56,645 | $476,043 | $1,427,832 |
| Challengers | 211 | $63,572,104 | $33,648,387 | $15,957,214 | $934,309 | $10,408,188 | $73,587 | $639,985 | $3,685,325 |
| Open Seats | 53 | $33,844,287 | $17,030,398 | $9,076,077 | $768,939 | $5,775,625 | $107,970 | $271,924 | $1,673,802 |
| Republicans | 438 | $241,197,291 | $142,624,632 | $75,831,086 | $1,913,662 | $9,138,277 | $553,329 | $2,462,999 | $7,998,844 |
| Incumbents | 213 | $171,261,787 | $98,484,644 | $63,283,926 | $145,555 | $1,498,444 | $400,015 | $1,022,003 | $2,962,096 |
| Challengers | 174 | $37,218,146 | $25,407,645 | $4,491,756 | $793,551 | $4,484,462 | $138,439 | $762,869 | $2,739,500 |
| Open Seats | 51 | $32,717,358 | $18,732,343 | $8,055,404 | $974,556 | $3,155,371 | $14,875 | $678,127 | $2,297,248 |
| Other Party | 511 | $5,237,678 | $3,548,616 | $767,361 | $263,199 | $471,064 | $3,900 | $42,050 | $165,861 |
| Incumbents | 3 | $1,909,163 | $1,595,547 | $246,447 | $0 | $0 | $0 | $200 | $25,000 |
| Challengers | 433 | $2,372,158 | $1,540,472 | $115,620 | $231,556 | $450,339 | $1,800 | $6,850 | $309 |
| Open Seats | 75 | $956,357 | $412,597 | $405,294 | $31,643 | $20,725 | $2,100 | $35,000 | $140,552 |
| Republicans | 472 | $356,319,920 | $214,372,047 | $102,762,443 | $2,137,675 | $19,565,667 | $753,329 | $3,235,243 | $18,749,937 |
| Democrats | 469 | $312,388,519 | $170,599,940 | $89,805,738 | $13,521,072 | $23,128,287 | $238,202 | $2,025,686 | $15,398,856 |
| Other Party | 586 | $5,715,222 | $3,762,915 | $769,040 | $410,378 | $550,368 | $19,900 | $42,050 | $165,861 |
| Incumbents | 407 | $361,658,758 | $206,804,599 | $132,499,404 | $287,400 | $4,752,905 | $456,660 | $1,916,227 | $9,751,379 |
| Challengers | 886 | $160,520,482 | $96,815,130 | $26,570,119 | $13,226,673 | $17,375,518 | $429,826 | $1,800,434 | $11,413,741 |
| Open Seats | 234 | $152,244,421 | $85,115,173 | $34,267,698 | $2,555,052 | $21,115,899 | $124,945 | $1,586,318 | $13,149,534 |
| Total | 1527 | $674,423,661 | $388,734,902 | $193,337,221 | $16,069,125 | $43,244,322 | $1,011,431 | $5,302,979 | $34,314,654 |
| Contributions from PACs by Type of PAC | |||||||||
| Trade/Member | Corp. w/o | Net | Debts Owed | ||||||
| Corporate | Labor | Non-Connected | Health | Cooperative | Stock | Disbursements | Cash on Hand | By | |
| Senate | $16,713,666 | $6,334,628 | $6,342,236 | $11,117,170 | $504,123 | $918,925 | $226,012,457 | $6,304,253 | $20,283,323 |
| Democrats | $3,268,087 | $5,955,878 | $2,124,997 | $3,148,232 | $203,900 | $296,618 | $108,537,022 | $2,141,015 | $6,232,628 |
| Incumbents | $1,277,475 | $1,437,320 | $828,246 | $1,120,024 | $90,050 | $120,560 | $36,436,844 | $1,311,088 | $2,394,701 |
| Challengers | $232,730 | $1,207,222 | $366,604 | $423,161 | $33,900 | $41,000 | $33,748,226 | $433,263 | $1,407,778 |
| Open Seats | $1,757,882 | $3,311,336 | $930,147 | $1,605,047 | $79,950 | $135,058 | $38,351,952 | $396,664 | $2,430,149 |
| Republicans | $13,445,579 | $378,750 | $4,216,060 | $7,968,938 | $300,223 | $621,807 | $116,996,509 | $4,159,848 | $13,838,825 |
| Incumbents | $7,402,273 | $319,750 | $1,971,524 | $4,188,580 | $146,450 | $292,044 | $48,367,009 | $3,382,638 | $1,181,106 |
| Challengers | $1,814,196 | $5,500 | $700,829 | $1,020,679 | $31,350 | $126,679 | $23,093,473 | $175,117 | $842,647 |
| Open Seats | $4,229,110 | $53,500 | $1,543,707 | $2,759,679 | $122,423 | $203,084 | $45,536,027 | $602,093 | $11,815,072 |
| Other Party | $0 | $0 | $1,179 | $0 | $0 | $500 | $478,926 | $3,390 | $211,870 |
| Challengers | $0 | $0 | $1,179 | $0 | $0 | $500 | $292,055 | $1,055 | $31,856 |
| Open Seats | $0 | $0 | $0 | $0 | $0 | $0 | $186,871 | $2,335 | $180,014 |
| House | $50,221,536 | $38,311,484 | $14,756,762 | $43,048,056 | $2,185,394 | $2,883,241 | $424,803,698 | $69,459,264 | $38,693,047 |
| Democrats | $15,019,864 | $35,563,766 | $6,330,108 | $15,718,672 | $981,205 | $1,194,411 | $193,544,624 | $30,420,173 | $19,629,190 |
| Incumbents | $13,488,636 | $19,091,874 | $3,468,889 | $11,866,463 | $873,089 | $985,784 | $97,726,206 | $28,828,780 | $2,594,838 |
| Challengers | $425,496 | $11,474,926 | $2,048,904 | $1,848,174 | $32,500 | $127,214 | $62,531,174 | $1,109,391 | $11,720,802 |
| Open Seats | $1,105,732 | $4,996,966 | $812,315 | $2,004,035 | $75,616 | $81,413 | $33,287,244 | $482,002 | $5,313,550 |
| Republicans | $35,024,037 | $2,521,478 | $8,327,180 | $27,089,622 | $1,190,439 | $1,678,330 | $226,090,465 | $38,865,953 | $18,676,451 |
| Incumbents | $30,401,721 | $2,443,301 | $5,733,970 | $22,270,129 | $1,041,289 | $1,393,516 | $157,231,145 | $37,607,016 | $6,776,272 |
| Challengers | $1,336,522 | $5,650 | $1,267,607 | $1,716,489 | $20,250 | $145,238 | $36,778,737 | $534,885 | $5,874,452 |
| Open Seats | $3,285,794 | $72,527 | $1,325,603 | $3,103,004 | $128,900 | $139,576 | $32,080,583 | $724,052 | $6,025,727 |
| Other Party | $177,635 | $226,240 | $99,474 | $239,762 | $13,750 | $10,500 | $5,168,609 | $173,138 | $387,406 |
| Incumbents | $12,450 | $179,740 | $14,529 | $37,728 | $0 | $2,000 | $1,894,850 | $108,938 | $28,182 |
| Challengers | $18,885 | $41,500 | $30,800 | $18,185 | $0 | $6,250 | $2,340,168 | $29,103 | $299,613 |
| Open Seats | $146,300 | $5,000 | $54,145 | $183,849 | $13,750 | $2,250 | $933,591 | $35,097 | $59,611 |
| Republicans | $48,469,616 | $2,900,228 | $12,543,240 | $35,058,560 | $1,490,662 | $2,300,137 | $343,086,974 | $43,025,801 | $32,515,276 |
| Democrats | $18,287,951 | $41,519,644 | $8,455,105 | $18,866,904 | $1,185,105 | $1,491,029 | $302,081,646 | $32,561,188 | $25,861,818 |
| Other Party | $177,635 | $226,240 | $100,653 | $239,762 | $13,750 | $11,000 | $5,647,535 | $176,528 | $599,276 |
| Incumbents | $52,582,555 | $23,471,985 | $12,017,158 | $39,482,924 | $2,150,878 | $2,793,904 | $341,656,054 | $71,238,460 | $12,975,099 |
| Challengers | $3,827,829 | $12,734,798 | $4,415,923 | $5,026,688 | $118,000 | $446,881 | $158,783,833 | $2,282,814 | $20,177,148 |
| Open Seats | $10,524,818 | $8,439,329 | $4,665,917 | $9,655,614 | $420,639 | $561,381 | $150,376,268 | $2,242,243 | $25,824,123 |
| Total | $66,935,202 | $44,646,112 | $21,098,998 | $54,165,226 | $2,689,517 | $3,802,166 | $650,816,155 | $75,763,517 | $58,976,370 |