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| 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 | 534,678 | -- | 545,910 | -- | 548,285 | 549,972 | -- | -- |
| Persons in Households 2 | 520,937 | 553 | 529,065 | -- | 532,417 | 533,955 | -- | -- |
| Total Households 3 | 205,556 | 496 | 206,925 | 2,113 | 213,010 | 209,314 | 1,440 | Yes |
| Average Number of Persons per Household 4 | 2.53 | 0.01 | 2.56 | 0.02 | 2.50 | 2.55 | 0.02 | No |
| Average Household Income 5 | $53,745 | $497 | $70,404 | $1,464 | -- | $71,099 | $1,394 | Yes |
| Average Number of Vehicles per Household 6 | 1.59 | 0.01 | 1.71 | 0.03 | -- | 1.68 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 10.00 | 0.20 | 10.90 | 0.69 | -- | 12.60 | 0.53 | Yes |
| Percent Minority 8 | 9.00 | 0.20 | 9.60 | 0.34 | 11.60 | 11.00 | 0.38 | Yes |
| Percent of Persons 65 and Over 9 | 14.20 | 0.20 | 13.70 | 0.35 | 14.20 | 14.50 | 0.34 | No |
| Percent of Persons Foreign Born 10 | 11.70 | 0.20 | 12.40 | 0.49 | -- | 11.90 | 0.46 | No |
| Total Workers at Place of Residence11 | 259,263 | 1,747 | 277,136 | 2,993 | -- | 262,358 | 2,122 | 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 | 254,120 | 100.0 | 1,746 | 266,314 | 100.0 | 2,557 | 255,399 | 100.0 | 2,007 | No |
| Drove alone | 207,620 | 81.7 | 1,704 | 217,319 | 81.6 | 2,692 | 210,502 | 82.4 | 2,581 | No |
| 2-person Carpool | 21,225 | 8.4 | 683 | 19,871 | 7.5 | 1,258 | 18,291 | 7.2 | 1,342 | Yes |
| 3-or-more-person Carpool | 5,840 | 2.3 | 363 | 5,788 | 2.2 | 1,027 | 5,174 | 2.0 | 878 | No |
| Transit | 5,960 | 2.3 | 367 | 6,844 | 2.6 | 765 | 5,864 | 2.3 | 743 | No |
| Bike | 405 | 0.2 | 96 | 639 | 0.2 | 241 | 370 | 0.1 | 215 | No |
| Walked | 5,565 | 2.2 | 355 | 5,540 | 2.1 | 789 | 6,107 | 2.4 | 738 | No |
| Taxi, Motorcycle and Other means | 2,235 | 0.9 | 226 | 2,022 | 0.8 | 511 | 1,947 | 0.8 | 450 | No |
| Worked at Home | 5,280 | 2.1 | 346 | 8,291 | 3.1 | 1,638 | 7,144 | 2.8 | 871 | 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 | 216,670 | 100.0 | 1,717 | 219,922 | 100.0 | 3,639 | 209,212 | 100.0 | 3,236 | Yes |
| Drove alone | 178,310 | 82.3 | 1,648 | 182,554 | 83.0 | 3,434 | 173,477 | 82.9 | 2,847 | Yes |
| 2-person Carpool | 18,720 | 8.6 | 643 | 15,166 | 6.9 | 1,313 | 14,487 | 6.9 | 1,288 | Yes |
| 3-or-more-person Carpool | 4,325 | 2.0 | 313 | 3,682 | 1.7 | 850 | 4,321 | 2.1 | 732 | No |
| Transit | 1,930 | 0.9 | 210 | 2,071 | 0.9 | 488 | 1,669 | 0.8 | 418 | No |
| Bike | 480 | 0.2 | 105 | 586 | 0.3 | 242 | 348 | 0.2 | 213 | No |
| Walked | 5,560 | 2.6 | 355 | 5,364 | 2.4 | 798 | 6,160 | 2.9 | 714 | No |
| Taxi, Motorcycle and Other means | 2,075 | 1.0 | 217 | 2,208 | 1.0 | 587 | 1,606 | 0.8 | 370 | Yes |
| Worked at Home | 5,280 | 2.4 | 346 | 8,291 | 3.8 | 1,638 | 7,144 | 3.4 | 871 | 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) | 25.6 | 0.2 | 25.9 | 0.6 | 26.8 | 0.6 | Yes |
| Drove alone | 24.5 | 0.2 | 24.7 | 0.6 | 25.8 | 0.6 | Yes |
| Carpooled | 29.1 | 0.9 | 30.8 | 3.3 | 31.0 | 3.6 | No |
| Transit | 61.3 | 2.4 | 59.0 | 9.8 | 62.0 | 12.4 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 16.1 | 1.3 | 14.9 | 3.1 | 15.4 | 2.9 | 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
