Download an Excel file* of this document: profile_california__tracy_city.xls.
| Table 1. Selected Characteristics | Census 2000 | 2007-2009 ACS | 2010 Census | 2010-2012 ACS | Is the numeric change between Census 2000 and 2010-2012 ACS Significant? ** |
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|---|---|---|---|---|---|---|---|---|
| Value | MOE(+/-) | Value | MOE(+/-) | Value | Value | MOE(+/-) | ||
| Total Persons 1 | 56,839 | -- | 78,914 | 59 | 82,922 | 83,957 | 55 | -- |
| Persons in Households 2 | 56,496 | 95 | -- | -- | 82,606 | 83,714 | -- | -- |
| Total Households 3 | 17,529 | 115 | 22,682 | 652 | 24,331 | 24,014 | 629 | Yes |
| Average Number of Persons per Household 4 | 3.22 | 0.05 | 3.47 | 0.10 | 3.40 | 3.49 | 0.09 | Yes |
| Average Household Income 5 | $68,530 | $1,838 | $89,721 | $6,211 | -- | $86,732 | $6,093 | Yes |
| Average Number of Vehicles per Household 6 | 2.04 | 0.05 | 2.25 | 0.09 | -- | 2.17 | 0.10 | Yes |
| Percent of Persons in Poverty 7 | 7.00 | 0.60 | 7.20 | 1.59 | -- | 10.50 | 2.39 | Yes |
| Percent Minority 8 | 34.60 | 1.00 | 45.10 | 2.73 | 47.30 | 39.90 | 3.41 | Yes |
| Percent of Persons 65 and Over 9 | 6.30 | 0.50 | 6.40 | 0.83 | 6.90 | 7.70 | 1.00 | Yes |
| Percent of Persons Foreign Born 10 | 16.80 | 0.80 | 24.90 | 2.29 | -- | 26.40 | 2.14 | Yes |
| Total Workers at Place of Residence11 | 25,540 | 611 | 37,099 | 1,737 | -- | 35,853 | 1,312 | Yes |
| Table 2a. Mode to Work 12 | CTPP2000 | 2007-2009 ACS | 2010-2012 ACS | Is the numeric change between CTPP 2000 and 2010-2012 ACS Significant? ** |
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|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| Total Workers | 24,975 | 100.0 | 609 | 34,990 | 100.0 | 1,327 | 34,332 | 100.0 | 1,302 | Yes |
| Drove alone | 18,105 | 72.5 | 572 | 26,949 | 77.0 | 1,358 | 26,752 | 77.9 | 1,414 | Yes |
| 2-person Carpool | 3,570 | 14.3 | 298 | 3,516 | 10.0 | 649 | 2,948 | 8.6 | 796 | No |
| 3-or-more-person Carpool | 1,160 | 4.6 | 174 | 1,302 | 3.7 | 424 | 1,650 | 4.8 | 613 | No |
| Transit | 510 | 2.0 | 116 | 1,049 | 3.0 | 348 | 637 | 1.9 | 253 | No |
| Bike | 130 | 0.5 | 59 | 72 | 0.2 | 59 | 138 | 0.4 | 141 | No |
| Walked | 395 | 1.6 | 102 | 427 | 1.2 | 201 | 554 | 1.6 | 242 | No |
| Taxi, Motorcycle and Other means | 285 | 1.1 | 87 | 319 | 0.9 | 234 | 180 | 0.5 | 155 | No |
| Worked at Home | 810 | 3.2 | 146 | 1,356 | 3.9 | 314 | 1,473 | 4.3 | 464 | Yes |
| Table 2b. Mode to Work 12 | CTPP2000 | 2007-2009 ACS | 2010-2012 ACS | Is the numeric change between CTPP 2000 and 2010-2012 ACS Significant? ** |
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|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| At Place of Work | ||||||||||
| Total Workers | 16,360 | 100.0 | 556 | 24,750 | 100.0 | 1,793 | 25,032 | 100.0 | 1,711 | Yes |
| Drove alone | 12,090 | 73.9 | 502 | 18,982 | 76.7 | 1,605 | 19,705 | 78.7 | 1,465 | Yes |
| 2-person Carpool | 1,855 | 11.3 | 218 | 2,575 | 10.4 | 599 | 1,848 | 7.4 | 437 | No |
| 3-or-more-person Carpool | 835 | 5.1 | 148 | 1,042 | 4.2 | 366 | 999 | 4.0 | 413 | No |
| Transit | 75 | 0.5 | 45 | 181 | 0.7 | 167 | 120 | 0.5 | 111 | No |
| Bike | 140 | 0.9 | 61 | 31 | 0.1 | 35 | 158 | 0.6 | 146 | No |
| Walked | 365 | 2.2 | 98 | 306 | 1.2 | 144 | 448 | 1.8 | 201 | No |
| Taxi, Motorcycle and Other means | 185 | 1.1 | 70 | 277 | 1.1 | 167 | 281 | 1.1 | 162 | No |
| Worked at Home | 810 | 5.0 | 146 | 1,356 | 5.5 | 314 | 1,473 | 5.9 | 464 | Yes |
| Table 3. Mean Travel Time by Mode to Work 13 | Census 2000 | 2007-2009 ACS | 2010-2012 ACS | Is the change in travel time between Census 2000 and 2010-2012 ACS Significant? ** |
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|---|---|---|---|---|---|---|---|
| Minutes | MOE(+/-) | Minutes | MOE(+/-) | Minutes | MOE(+/-) | ||
| At Place of Residence | |||||||
| Total Workers (does not include workers who worked at home) | 41.9 | 1.3 | 41.0 | 2.8 | 40.9 | 3.2 | No |
| Drove alone | 39.8 | 1.5 | 38.6 | 3.4 | 38.0 | 3.3 | No |
| Carpooled | 47.8 | 3.0 | 47.9 | 11.8 | 56.9 | 18.6 | No |
| Transit | 100.5 | 9.4 | 84.0 | 39.6 | 77.8 | 45.6 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 18.3 | 4.6 | 25.2 | 16.5 | 18.0 | 10.1 | No |
Notes:
* The coefficient of variation (CV) can be derived by the standard error (SE) divided by the estimate, while SE = MOE/1.645.
** The z-value of the difference of the two estimates are used to determined if the two estimates are significantly different at 90% confidence level.
1 Census 2000 SF3 Table P1; 2007-2009 ACS Table B01003; 2010-2012 ACS Table B01003
2 Census 2000 SF3 Table P9; 2007-2009 ACS Table B09016; 2010-2012 ACS Table B01003 minus Table B26001
3 Census 2000 SF3 Table P10; 2007-2009 ACS Table B19001; 2010-2012 ACS Table B19001
4 Census 2000 SF3 Table P9 divided Census 2000 SF3 Table P10; 2007-2009 ACS Table B09016 divided 2007-2009 ACS Table B19001; 2010-2012 ACS Table S1101
5 CTPP2000 Table 1-090; 2007-2009 ACS Table B19025; 2010-2012 ACS Table B19025
6 Census 2000 SF3 Table H46; 2007-2009 ACS Table B25046; 2010-2012 ACS Table B25046
7 Census 2000 SF3 Table P87; 2007 -2009 ACS Table B17001; 2010-2012 ACS Table B17001
8 Census 2000 SF3 Table P6; 2007-2009 ACS Table B02001; 2010-2012 ACS Table B02001
9 Census 2000 SF3 Table P8; 2007-2009 ACS Table B01001; 2010-2012 ACS Table B01001
10 Census 2000 SF3 Table P21; 2007-2009 ACS Table B06003; 2010-2012 ACS Table B06003
11 Census 2000 SF3 Table P43; 2007-2009 ACS Table B23001; 2010-2012 ACS Table B23025
12 Residence place information is from CTPP2000 Table 1-002; 2007- 2009 ACS Table B08301; 2010-2012 ACS Table B08301. Workplace information is from CTPP2000 Table 2-002; 2007-2009 ACS Table B08406; 2010-2012 ACS Table B08601
13 CTPP2000 1-118; 2007-2009 ACS Table C08136; 2010-2012 ACS Table C08136
