Table 2. Four-Month Average Income, Earnings, Work Activity, and Educational Attainment, by Sex, Race, Hispanic Origin, and Age: Spring 1993 Monthly income Monthly earnings Months with work activity Standard Standard Standard Educational Attainment Mean error Mean error Mean error TOTAL, 18 YEARS AND OVER Both sexes $1,687 15.2 $1,349 14.5 2.52 0.01 Doctorate 4,328 243.4 3,745 240.8 3.41 0.11 Professional 5,534 317.9 5,067 323.2 3.39 0.09 Master's 3,411 122.9 2,812 97.2 3.19 0.05 Bachelor's 2,625 52.2 2,269 51.8 3.13 0.02 Associate 1,985 64.2 1,754 77.7 3.09 0.05 Vocational 1,736 63.5 1,375 56.4 2.82 0.06 Some college, no degree 1,579 34.3 1,303 32.4 2.78 0.02 High school graduate only 1,380 18.7 1,080 18.1 2.52 0.02 Not a high school graduate 906 17.9 508 15.3 1.45 0.02 Male 2,230 27.1 1,845 25.8 2.88 0.01 Doctorate 4,421 265.5 3,755 256.4 3.41 0.12 Professional 6,312 391.1 5,798 401.2 3.58 0.09 Master's 4,298 229.7 3,487 174.7 3.35 0.06 Bachelor's 3,430 92.2 2,963 92.6 3.39 0.04 Associate 2,561 109.6 2,231 93.3 3.35 0.06 Vocational 2,318 133.8 1,923 110.7 3.30 0.09 Some college, no degree 2,045 52.3 1,752 53.2 3.08 0.04 High school graduate only 1,812 32.8 1,498 33.3 2.91 0.02 Not a high school graduate 1,211 31.5 792 29.6 1.91 0.04 Female 1,186 14.4 892 13.9 2.19 0.01 Doctorate 4,020 577.7 3,712 605.7 3.42 0.22 Professional 3,530 468.9 3,185 466.5 2.92 0.18 Master's 2,505 71.2 2,122 76.0 3.03 0.07 Bachelor's 1,809 41.0 1,566 40.6 2.87 0.04 Associate 1,544 71.8 1,388 114.5 2.89 0.07 Vocational 1,373 56.1 1,034 55.6 2.52 0.09 Some college, no degree 1,139 43.2 878 36.3 2.49 0.04 High school graduate only 1,008 19.3 719 17.2 2.18 0.02 Not a high school graduate 621 17.0 242 10.0 1.02 0.04 WHITE, 18 YEARS AND OVER Both sexes 1,756 16.8 1,395 15.9 2.56 0.01 Doctorate 4,449 270.2 3,821 266.4 3.42 0.11 Professional 5,590 346.5 5,089 352.9 3.41 0.09 Master's 3,478 135.2 2,848 105.7 3.19 0.05 Bachelor's 2,682 57.7 2,300 57.2 3.14 0.02 Associate 2,021 70.0 1,779 86.1 3.11 0.05 Vocational 1,768 68.0 1,380 60.0 2.81 0.07 Some college, no degree 1,649 38.6 1,346 36.1 2.81 0.02 High school graduate only 1,422 19.6 1,099 18.9 2.54 0.02 Not a high school graduate 951 20.6 537 17.4 1.50 0.02 BLACK, 18 YEARS OLD AND OVER Both sexes 1,192 28.2 979 28.7 2.26 0.05 Doctorate (B) (B) (B) (B) (B) (B) Professional (B) (B) (B) (B) (B) (B) Master's 2,834 216.7 2,315 233.0 3.25 0.19 Bachelor's 2,333 146.7 2,123 150.0 3.32 0.11 Associate 1,746 182.7 1,557 152.7 2.99 0.19 Vocational 1,428 211.7 1,288 203.2 2.93 0.26 Some college, no degree 1,222 58.4 1,106 59.5 2.69 0.10 High school graduate only 1,071 39.7 909 41.4 2.39 0.07 Not a high school graduate 713 32.0 380 33.1 1.21 0.07 HISPANIC ORIGIN, 18 YEARS OLD AND OVER Both sexes 1,126 29.4 956 27.4 2.38 0.05 Doctorate (B) (B) (B) (B) (B) (B) Professional (B) (B) (B) (B) (B) (B) Master's 2,605 251.2 2,317 254.7 3.61 0.19 Bachelor's 2,186 166.2 1,959 162.8 3.12 0.16 Associate 2,069 399.0 1,696 178.0 3.25 0.19 Vocational 1,329 200.9 1,143 206.4 2.87 0.34 Some college, no degree 1,239 70.0 1,115 70.8 2.77 0.11 High school graduate only 1,106 50.6 977 48.5 2.63 0.07 Not a high school graduate 786 28.0 596 30.2 1.78 0.07 TOTAL, 18 TO 24 YEARS OLD 709 14.1 691 14.8 2.56 0.04 Both sexes Doctorate (B) (B) (B) (B) (B) (B) Professional (B) (B) (B) (B) (B) (B) Master's 1,351 312.3 1,337 337.7 2.97 0.46 Bachelor's 1,128 59.0 1,126 57.8 2.96 0.10 Associate 912 82.6 896 82.4 2.96 0.16 Vocational 1,017 125.8 998 121.3 3.23 0.21 Some college, no degree 610 20.7 612 23.7 2.62 0.06 High school graduate only 783 25.7 760 26.2 2.71 0.06 Not a high school graduate 459 23.6 402 24.8 1.79 0.09 TOTAL, 25 TO 34 YEARS OLD 1,622 21.4 1,541 21.9 3.07 0.02 Both sexes Doctorate (B) (B) (B) (B) (B) (B) Professional 3,515 310.6 3,475 310.7 3.46 0.17 Master's 2,648 150.9 2,578 150.9 3.49 0.10 Bachelor's 2,341 54.1 2,269 53.0 3.50 0.04 Associate 1,760 74.1 1,683 76.2 3.30 0.09 Vocational 1,643 105.6 1,594 103.4 3.33 0.11 Some college, no degree 1,610 49.6 1,502 50.5 3.13 0.05 High school graduate only 1,310 26.4 1,260 31.4 3.04 0.04 Not a high school graduate 936 54.1 778 42.7 2.14 0.07 TOTAL, 35 TO 44 YEARS OLD 2,082 33.2 1,954 32.4 3.23 0.02 Both sexes Doctorate 4,032 384.6 3,911 376.5 3.90 0.10 Professional 6,537 529.1 6,448 522.1 3.75 0.10 Master's 3,180 124.1 3,047 120.2 3.59 0.06 Bachelor's 2,891 97.6 2,737 90.8 3.51 0.04 Associate 2,145 103.2 2,027 103.0 3.29 0.09 Vocational 2,030 148.9 1,831 118.2 3.47 0.10 Some college, no degree 1,936 56.9 1,811 57.7 3.31 0.05 High school graduate only 1,603 49.9 1,496 49.3 3.19 0.04 Not a high school graduate 1,032 49.6 890 53.2 2.36 0.09 TOTAL, 45 TO 54 YEARS OLD 2,302 53.6 2,094 57.9 3.11 0.02 Both sexes Doctorate 5,267 522.1 4,856 457.8 3.80 0.10 Professional 6,606 987.8 6,257 996.4 3.66 0.13 Master's 3,983 252.2 3,688 249.6 3.68 0.06 Bachelor's 3,345 176.6 3,121 208.5 3.46 0.06 Associate 2,534 228.5 2,397 398.1 3.32 0.11 Vocational 1,990 177.0 1,822 166.5 3.33 0.13 Some college, no degree 2,484 161.4 2,226 171.3 3.30 0.06 High school graduate only 1,711 58.5 1,544 58.0 3.04 0.05 Not a high school graduate 1,096 50.5 904 49.5 2.26 0.09 TOTAL, 55 TO 64 YEARS OLD 1,922 61.6 1,281 43.9 2.18 0.04 Both sexes Doctorate (B) (B) (B) (B) (B) (B) Professional 6,921 1217.9 6,472 1234.7 3.75 0.18 Master's 4,462 661.4 2,917 352.6 2.87 0.15 Bachelor's 3,397 280.2 2,307 219.5 2.66 0.11 Associate 2,969 433.7 1,972 218.6 2.79 0.21 Vocational 1,731 166.7 1,174 169.5 2.19 0.23 Some college, no degree 1,974 150.4 1,257 80.2 2.49 0.10 High school graduate only 1,535 63.0 999 45.5 2.18 0.06 Not a high school graduate 1,045 52.1 658 58.3 1.57 0.07 TOTAL, 65 YEARS AND OVER 1,329 28.7 175 16.2 0.48 0.02 Both sexes Doctorate 3,639 504.1 1,477 580.8 1.75 0.38 Professional 3,820 479.3 1,552 416.8 1.83 0.30 Master's 3,163 360.1 533 209.1 0.73 0.13 Bachelor's 2,324 153.2 504 113.5 0.81 0.09 Associate 1,697 181.4 222 81.8 0.78 0.19 Vocational 1,516 147.8 181 48.3 0.67 0.13 Some college, no degree 1,648 119.7 199 51.1 0.58 0.06 High school graduate only 1,217 35.5 130 24.6 0.47 0.04 Not a high school graduate 878 29.9 58 7.5 0.29 0.02 B Base less than 200,000 persons. Persons of Hispanic origin may be of any race.