Download an Excel file* of this document: profile_michigan__bay_county.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 | 110,157 | -- | 107,468 | -- | 107,771 | 107,310 | -- | -- |
| Persons in Households 2 | 108,383 | 169 | 105,984 | -- | 106,333 | 105,881 | -- | -- |
| Total Households 3 | 44,026 | 193 | 44,113 | 711 | 44,603 | 43,793 | 601 | No |
| Average Number of Persons per Household 4 | 2.46 | 0.02 | 2.40 | 0.04 | 2.38 | 2.42 | 0.03 | Yes |
| Average Household Income 5 | $48,695 | $804 | $55,279 | $2,049 | -- | $56,168 | $1,910 | Yes |
| Average Number of Vehicles per Household 6 | 1.79 | 0.02 | 1.85 | 0.05 | -- | 1.75 | 0.05 | No |
| Percent of Persons in Poverty 7 | 9.70 | 0.40 | 11.80 | 1.22 | -- | 14.20 | 1.34 | Yes |
| Percent Minority 8 | 5.10 | 0.30 | 5.80 | 0.48 | 5.90 | 5.60 | 0.43 | No |
| Percent of Persons 65 and Over 9 | 14.70 | 0.40 | 16.00 | 0.71 | 16.20 | 16.70 | 0.77 | Yes |
| Percent of Persons Foreign Born 10 | 1.40 | 0.10 | 1.90 | 0.50 | -- | 1.20 | 0.24 | No |
| Total Workers at Place of Residence11 | 50,899 | 670 | 49,608 | 1,272 | -- | 45,978 | 1,000 | 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 | 50,105 | 100.0 | 669 | 48,195 | 100.0 | 1,113 | 45,283 | 100.0 | 972 | Yes |
| Drove alone | 43,740 | 87.3 | 657 | 40,255 | 83.5 | 1,130 | 38,898 | 85.9 | 1,050 | Yes |
| 2-person Carpool | 2,995 | 6.0 | 218 | 3,474 | 7.2 | 482 | 2,781 | 6.1 | 389 | No |
| 3-or-more-person Carpool | 599 | 1.2 | 99 | 1,054 | 2.2 | 382 | 713 | 1.6 | 198 | No |
| Transit | 289 | 0.6 | 69 | 348 | 0.7 | 147 | 348 | 0.8 | 159 | No |
| Bike | 85 | 0.2 | 37 | 278 | 0.6 | 153 | 180 | 0.4 | 93 | No |
| Walked | 825 | 1.6 | 116 | 1,055 | 2.2 | 290 | 727 | 1.6 | 280 | No |
| Taxi, Motorcycle and Other means | 235 | 0.5 | 62 | 340 | 0.7 | 159 | 356 | 0.8 | 153 | No |
| Worked at Home | 1,335 | 2.7 | 147 | 1,391 | 2.9 | 338 | 1,280 | 2.8 | 383 | 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 | 42,425 | 100.0 | 653 | 38,230 | 100.0 | 1,332 | 36,049 | 100.0 | 1,428 | Yes |
| Drove alone | 36,460 | 85.9 | 632 | 31,405 | 82.1 | 1,166 | 30,606 | 84.9 | 1,266 | Yes |
| 2-person Carpool | 2,580 | 6.1 | 203 | 2,682 | 7.0 | 479 | 2,166 | 6.0 | 403 | No |
| 3-or-more-person Carpool | 624 | 1.5 | 101 | 901 | 2.4 | 350 | 587 | 1.6 | 213 | No |
| Transit | 305 | 0.7 | 71 | 267 | 0.7 | 136 | 302 | 0.8 | 150 | No |
| Bike | 65 | 0.2 | 33 | 301 | 0.8 | 156 | 180 | 0.5 | 93 | Yes |
| Walked | 810 | 1.9 | 115 | 1,037 | 2.7 | 291 | 727 | 2.0 | 280 | No |
| Taxi, Motorcycle and Other means | 240 | 0.6 | 63 | 246 | 0.6 | 139 | 201 | 0.6 | 104 | No |
| Worked at Home | 1,335 | 3.1 | 147 | 1,391 | 3.6 | 338 | 1,280 | 3.6 | 383 | 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) | 21.8 | 0.4 | 21.2 | 1.1 | 20.7 | 1.0 | Yes |
| Drove alone | 21.6 | 0.4 | 20.9 | 1.1 | 20.6 | 1.1 | No |
| Carpooled | 26.1 | 2.1 | 25.1 | 5.0 | 21.7 | 4.2 | No |
| Transit | 31.7 | 7.2 | 46.2 | 28.6 | 37.9 | 28.7 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 13.8 | 3.0 | 13.4 | 6.5 | 16.0 | 8.2 | 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
