Contra Costa County, CA
Population and Components of Change
| Date |
Population |
%
Change |
Components of Change |
Total
Population
Change |
Births |
Deaths |
Inter-
national
Immigra-
tion |
Net
Domestic
Migration |
| 1970 | 556,116 | - | - |
- | - | - | - |
| 1971 | 563,400 | 1.3 | 7,284 |
- | - | - | - |
| 1972 | 567,600 | 0.7 | 4,200 |
- | - | - | - |
| 1973 | 574,000 | 1.1 | 6,400 |
- | - | - | - |
| 1974 | 581,700 | 1.3 | 7,700 |
- | - | - | - |
| 1975 | 589,100 | 1.3 | 7,400 |
- | - | - | - |
| 1976 | 601,200 | 2.1 | 12,100 |
- | - | - | - |
| 1977 | 615,000 | 2.3 | 13,800 |
- | - | - | - |
| 1978 | 626,100 | 1.8 | 11,100 |
- | - | - | - |
| 1979 | 642,800 | 2.7 | 16,700 |
- | - | - | - |
| 1980 | 656,331 | 2.1 | 13,531 |
- | - | - | - |
| 1981 | 667,293 | 1.7 | 10,962 |
11,967 | 5,757 | - | - |
| 1982 | 678,903 | 1.7 | 11,610 |
9,816 | 4,806 | - | - |
| 1983 | 690,150 | 1.7 | 11,247 |
10,068 | 4,863 | - | - |
| 1984 | 698,814 | 1.3 | 8,664 |
10,231 | 4,947 | - | - |
| 1985 | 711,446 | 1.8 | 12,632 |
10,579 | 5,217 | - | - |
| 1986 | 725,367 | 2.0 | 13,921 |
10,955 | 5,282 | - | - |
| 1987 | 739,987 | 2.0 | 14,620 |
11,234 | 5,382 | - | - |
| 1988 | 759,242 | 2.6 | 19,255 |
11,742 | 5,576 | - | - |
| 1989 | 784,395 | 3.3 | 25,153 |
12,516 | 5,709 | - | - |
| 1990 | 803,731 | 2.5 | 19,336 |
9,725 | 4,358 | - | - |
| 1991 | 823,183 | 2.4 | 19,452 |
16,907 | 7,200 | 4,279 | 4,981 |
| 1992 | 839,768 | 2.0 | 16,585 |
13,231 | 5,632 | 3,614 | 4,908 |
| 1993 | 852,532 | 1.5 | 12,764 |
12,693 | 5,803 | 4,131 | 1,320 |
| 1994 | 861,979 | 1.1 | 9,447 |
12,525 | 6,063 | 3,617 | -923 |
| 1995 | 872,075 | 1.2 | 10,096 |
12,437 | 6,117 | 3,853 | -318 |
| 1996 | 884,227 | 1.4 | 12,152 |
12,334 | 6,385 | 4,400 | 1,779 |
| 1997 | 903,049 | 2.1 | 18,822 |
12,324 | 6,464 | 5,832 | 6,590 |
| 1998 | 921,663 | 2.1 | 18,614 |
12,135 | 6,515 | 5,108 | 7,767 |
| 1999 | 936,983 | 1.7 | 15,320 |
12,112 | 6,598 | 4,833 | 5,011 |
| 2000 | 948,816 | 1.3 | 11,833 |
- | - | - | - |
| 2001 | 972,630 | 2.5 | 23,814 |
16,491 | 8,342 | 7,726 | 8,567 |
| 2002 | 982,813 | 1.0 | 10,183 |
13,300 | 7,162 | 5,964 | -1,166 |
| 2003 | 991,153 | 0.8 | 8,340 |
13,255 | 6,896 | 5,175 | -1,884 |
| 2004 | 997,456 | 0.6 | 6,303 |
13,207 | 6,901 | 4,781 | -4,183 |
| 2005 | 1,005,106 | 0.8 | 7,650 |
13,245 | 6,747 | 4,854 | -2,854 |
| 2006 | 1,009,371 | 0.4 | 4,265 |
13,499 | 7,058 | 5,005 | -6,829 |
| 2007 | 1,019,640 | 1.0 | 10,269 |
13,710 | 7,048 | 4,975 | -1,596 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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