Missouri State Census Data Center: Basic Demographic Trend Report United States Cities AREA: Martinez CDP GEOCODE:13-1768 GA ------1980------ ------1990------ ----CHANGE---- CHG VARIABLE VALUE PCT VALUE PCT AMOUNT PCT IN % ------------------------------------------------------------------------------- T1. TOTAL PERSONS....... 16,472 100.0% 33,731 100.0% 17,259 104.8 LIVING IN FAMILIES.... 15,630 94.9% 30,636 90.8% 15,006 96.0 -4.1 IN GROUP QUARTERS..... 0 0.0% 190 0.6% 190 0.6 IN RURAL AREAS........ 0 0.0% 0 0.0% 0 0.0 T2. RACE / HISPANIC WHITE................. 15,134 91.9% 30,298 89.8% 15,164 100.2 -2.1 AFRICAN-AMERICAN...... 928 5.6% 2,010 6.0% 1,082 116.6 0.3 ASIAN & PAC. ISLANDER. 325 2.0% 1,244 3.7% 919 282.8 1.7 AM. INDIAN, ESK. ALEUT 7 0.0% 78 0.2% 711014.3 0.2 HISPANIC (ANY RACE)... 259 1.6% 443 1.3% 184 71.0 -0.3 T3. PERSONS BY AGE UNDER 5............... 1,462 8.9% 2,787 8.3% 1,325 90.6 -0.6 5-17.................. 3,951 24.0% 7,174 21.3% 3,223 81.6 -2.7 18-24.................. 1,739 10.6% 2,873 8.5% 1,134 65.2 -2.0 25-44.................. 6,067 36.8% 13,301 39.4% 7,234 119.2 2.6 45-64.................. 2,656 16.1% 5,760 17.1% 3,104 116.9 1.0 65 AND OVER............ 597 3.6% 1,836 5.4% 1,239 207.5 1.8 UNDER 18 (0-17)........ 5,413 32.9% 9,961 29.5% 4,548 84.0 -3.3 40 AND OVER............ 4,473 27.2% 10,880 32.3% 6,408 143.3 5.1 MEDIAN AGE............ 28.4 31.4 3.0 10.4 T4. INCOME & POVERTY MEDIAN HOUSEHLD INCOME $37,574 $43,464 5,890 15.7 MEDIAN FAMILY INCOME.. $39,264 $47,586 8,322 21.2 PER CAPITA INCOME..... $13,468 $17,868 4,400 32.7 PERSONS BELOW POVERTY. 882 5.4% 1,276 3.8% 394 44.7 -1.6 T5. HOUSEHOLDS.......... 5,288 100.0% 11,921 100.0% 6,633 125.4 FAMILY HOUSEHOLDS..... 4,613 87.2% 9,451 79.3% 4,838 104.9 -8.0 WITH 2+ WORKERS...... 2,993 56.6% 6,581 55.2% 3,588 119.9 -1.4 MARRIED COUPLES...... 4,062 76.8% 8,277 69.4% 4,215 103.8 -7.4 WITH OWN CHILDREN... 2,493 47.1% 4,866 40.8% 2,373 95.2 -6.3 FEMALE HEAD, NO HUSB. 479 9.1% 983 8.2% 504 105.2 -0.8 W. OWN CHILDREN..... 355 6.7% 604 5.1% 249 70.1 -1.6 1-PERSON HOUSEHOLDS.... 566 10.7% 2,067 17.3% 1,501 265.2 6.6 AVG. PERSONS PER HH.... 3.1 2.8 -0.3 -9.7 T6. EDUCATION, POP 25 +. 9,320 100.0% 20,897 100.0% 11,577 124.2 HIGH SCHOOL DIPLOMA... 3,146 33.8% 5,094 24.4% 1,948 61.9 -9.4 COLLEGE DEG. (4+ YRS). 2,360 25.3% 7,359 35.2% 4,999 211.8 9.9 T7. CIVILIAN LABOR FORCE 8,086 100.0% 18,466 100.0% 10,380 128.4 FEMALE................ 3,580 44.3% 8,481 45.9% 4,901 136.9 1.7 EMPLOYED.............. 7,791 96.4% 17,790 96.3% 9,999 128.3 -0.0 MANAGERIAL, PROF. OCC. 2,435 30.1% 7,574 41.0% 5,139 211.0 10.9 SERVICE OCCUPATIONS... 750 9.3% 1,437 7.8% 687 91.6 -1.5 T8. HOUSING UNITS....... 5,619 100.0% 12,764 100.0% 7,145 127.2 OCCUPIED.............. 5,300 94.3% 11,992 94.0% 6,692 126.3 -0.4 OWNER OCCUPIED....... 4,489 84.7% 8,587 71.6% 4,098 91.3 -13.1 AVERAGE VALUE....... $73,111 $94,736 21,625 29.6 RENTER OCCUPIED...... 811 15.3% 3,405 28.4% 2,594 319.9 13.1 MEDIAN CONTRACT RENT $490 $499 9 1.8 SINGLE-FAMILY......... 5,073 90.3% 9,984 78.2% 4,911 96.8 -12.1 MOBILE HOMES.......... 80 1.4% 200 1.6% 120 150.0 0.1 MEDIAN YEAR BUILT..... 1971.6 1981.0 9.4 0.5 NOTES: 1. Income figures for "1980" are actually for 1979 and have been converted to 1989 dollars using CPI inflation factor of 1.708. 2. Average value of housing units and median contract rent for 1980 have been converted to 1990 dollars using CPI inflation factor of 1.586 Source: 1980 and 1990 summary tape files 3, U.S. Bureau of the Census Programming and design by the Urban Information Center, U. of Mo. St. Louis