Download an Excel file* of this document: profile_california__napa_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 | 72,781 | -- | 74,582 | 33 | 76,915 | 77,714 | 37 | -- |
| Persons in Households 2 | 71,271 | 198 | -- | -- | 75,678 | 76,375 | -- | -- |
| Total Households 3 | 27,032 | 137 | 27,633 | 963 | 28,166 | 28,315 | 607 | Yes |
| Average Number of Persons per Household 4 | 2.64 | 0.04 | 2.66 | 0.08 | 2.69 | 2.70 | 0.06 | No |
| Average Household Income 5 | $63,110 | $1,650 | $79,899 | $4,757 | -- | $77,647 | $4,078 | Yes |
| Average Number of Vehicles per Household 6 | 1.78 | 0.04 | 1.93 | 0.11 | -- | 1.85 | 0.07 | No |
| Percent of Persons in Poverty 7 | 8.90 | 0.50 | 11.40 | 2.34 | -- | 12.80 | 2.59 | Yes |
| Percent Minority 8 | 19.90 | 0.80 | 15.80 | 2.76 | 24.90 | 13.70 | 1.97 | Yes |
| Percent of Persons 65 and Over 9 | 13.70 | 0.70 | 13.10 | 0.92 | 13.60 | 13.70 | 0.96 | No |
| Percent of Persons Foreign Born 10 | 19.30 | 0.80 | 23.10 | 2.16 | -- | 24.60 | 1.80 | Yes |
| Total Workers at Place of Residence11 | 34,415 | 694 | 38,218 | 1,745 | -- | 36,583 | 1,282 | 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 | 33,745 | 100.0 | 693 | 36,723 | 100.0 | 1,375 | 35,892 | 100.0 | 1,286 | Yes |
| Drove alone | 25,320 | 75.0 | 662 | 27,593 | 75.1 | 1,358 | 27,947 | 77.9 | 1,150 | Yes |
| 2-person Carpool | 3,800 | 11.3 | 309 | 4,142 | 11.3 | 882 | 3,401 | 9.5 | 553 | No |
| 3-or-more-person Carpool | 1,410 | 4.2 | 191 | 923 | 2.5 | 339 | 861 | 2.4 | 273 | Yes |
| Transit | 584 | 1.7 | 124 | 1,148 | 3.1 | 1,167 | 510 | 1.4 | 184 | No |
| Bike | 375 | 1.1 | 99 | 329 | 0.9 | 159 | 411 | 1.1 | 309 | No |
| Walked | 695 | 2.1 | 135 | 828 | 2.3 | 244 | 1,025 | 2.9 | 323 | No |
| Taxi, Motorcycle and Other means | 370 | 1.1 | 99 | 360 | 1.0 | 207 | 237 | 0.7 | 113 | No |
| Worked at Home | 1,185 | 3.5 | 176 | 1,400 | 3.8 | 404 | 1,500 | 4.2 | 350 | No |
| 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 | 29,230 | 100.0 | 681 | 33,789 | 100.0 | 1,453 | 32,450 | 100.0 | 1,477 | Yes |
| Drove alone | 22,525 | 77.1 | 642 | 25,931 | 76.7 | 1,423 | 25,175 | 77.6 | 1,386 | Yes |
| 2-person Carpool | 2,940 | 10.1 | 274 | 3,543 | 10.5 | 686 | 2,798 | 8.6 | 571 | No |
| 3-or-more-person Carpool | 1,050 | 3.6 | 166 | 998 | 3.0 | 398 | 860 | 2.7 | 424 | No |
| Transit | 319 | 1.1 | 92 | 452 | 1.3 | 230 | 357 | 1.1 | 157 | No |
| Bike | 295 | 1.0 | 88 | 331 | 1.0 | 157 | 412 | 1.3 | 326 | No |
| Walked | 660 | 2.3 | 132 | 830 | 2.5 | 232 | 1,056 | 3.3 | 319 | Yes |
| Taxi, Motorcycle and Other means | 265 | 0.9 | 84 | 304 | 0.9 | 177 | 292 | 0.9 | 204 | No |
| Worked at Home | 1,185 | 4.1 | 176 | 1,400 | 4.1 | 404 | 1,500 | 4.6 | 350 | No |
| 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) | 23.9 | 0.8 | 22.2 | 1.8 | 21.5 | 1.7 | Yes |
| Drove alone | 22.3 | 0.8 | 21.6 | 1.8 | 20.9 | 1.6 | No |
| Carpooled | 28.9 | 2.1 | 25.4 | 7.4 | 23.7 | 6.4 | No |
| Transit | 46.1 | 9.5 | 22.7 | 29.2 | 50.3 | 26.7 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 24.3 | 4.1 | 20.9 | 10.6 | 17.3 | 9.2 | 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
