Download an Excel file* of this document: profile_michigan__portage_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? ** |
|||
|---|---|---|---|---|---|---|---|---|
| Value | MOE(+/-) | Value | MOE(+/-) | Value | Value | MOE(+/-) | ||
| Total Persons 1 | 44,926 | -- | 46,157 | 31 | 46,292 | 46,701 | 61 | -- |
| Persons in Households 2 | 44,513 | 82 | 45,568 | -- | 46,136 | 46,510 | -- | -- |
| Total Households 3 | 18,094 | 111 | 18,912 | 509 | 19,199 | 19,348 | 510 | Yes |
| Average Number of Persons per Household 4 | 2.46 | 0.03 | 2.41 | 0.06 | 2.40 | 2.40 | 0.06 | No |
| Average Household Income 5 | $62,610 | $1,566 | $69,543 | $4,015 | -- | $72,433 | $4,427 | Yes |
| Average Number of Vehicles per Household 6 | 1.81 | 0.03 | 1.76 | 0.07 | -- | 1.71 | 0.07 | Yes |
| Percent of Persons in Poverty 7 | 4.80 | 0.40 | 8.40 | 1.74 | -- | 11.90 | 2.58 | Yes |
| Percent Minority 8 | 8.70 | 0.50 | 13.20 | 1.86 | 13.10 | 13.30 | 2.18 | Yes |
| Percent of Persons 65 and Over 9 | 11.80 | 0.60 | 13.90 | 1.22 | 13.60 | 13.40 | 1.15 | Yes |
| Percent of Persons Foreign Born 10 | 4.80 | 0.40 | 5.80 | 1.22 | -- | 5.00 | 1.01 | No |
| Total Workers at Place of Residence11 | 23,576 | 428 | 23,150 | 1,264 | -- | 22,524 | 944 | 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? ** |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| Total Workers | 23,135 | 100.0 | 429 | -- | 100.0 | -- | -- | 100.0 | -- | -- |
| Drove alone | 20,445 | 88.4 | 427 | -- | -- | -- | -- | -- | -- | -- |
| 2-person Carpool | 1,435 | 6.2 | 151 | -- | -- | -- | -- | -- | -- | -- |
| 3-or-more-person Carpool | 155 | 0.7 | 50 | -- | -- | -- | -- | -- | -- | -- |
| Transit | 74 | 0.3 | 35 | -- | -- | -- | -- | -- | -- | -- |
| Bike | 30 | 0.1 | 22 | -- | -- | -- | -- | -- | -- | -- |
| Walked | 185 | 0.8 | 55 | -- | -- | -- | -- | -- | -- | -- |
| Taxi, Motorcycle and Other means | 75 | 0.3 | 35 | -- | -- | -- | -- | -- | -- | -- |
| Worked at Home | 735 | 3.2 | 109 | -- | -- | -- | -- | -- | -- | -- |
| 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? ** |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| At Place of Work | ||||||||||
| Total Workers | 29,510 | 100.0 | 407 | -- | 100.0 | -- | 28,381 | 100.0 | 1,363 | No |
| Drove alone | 25,605 | 86.8 | 425 | -- | -- | -- | 24,917 | 87.8 | 1,344 | No |
| 2-person Carpool | 2,150 | 7.3 | 183 | -- | -- | -- | 1,717 | 6.0 | 390 | Yes |
| 3-or-more-person Carpool | 350 | 1.2 | 75 | -- | -- | -- | 334 | 1.2 | 127 | No |
| Transit | 263 | 0.9 | 65 | -- | -- | -- | 295 | 1.0 | 188 | No |
| Bike | 35 | 0.1 | 24 | -- | -- | -- | 69 | 0.2 | 53 | No |
| Walked | 275 | 0.9 | 67 | -- | -- | -- | 225 | 0.8 | 132 | No |
| Taxi, Motorcycle and Other means | 100 | 0.3 | 40 | -- | -- | -- | 225 | 0.8 | 214 | No |
| Worked at Home | 735 | 2.5 | 109 | -- | -- | -- | 599 | 2.1 | 169 | 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? ** |
|||
|---|---|---|---|---|---|---|---|
| Minutes | MOE(+/-) | Minutes | MOE(+/-) | Minutes | MOE(+/-) | ||
| At Place of Residence | |||||||
| Total Workers (does not include workers who worked at home) | 19.6 | 0.5 | -- | -- | -- | -- | -- |
| Drove alone | 19.2 | 0.5 | -- | -- | -- | -- | -- |
| Carpooled | 20.6 | 2.3 | -- | -- | -- | -- | -- |
| Transit | 60.9 | 16.5 | -- | -- | -- | -- | -- |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 28.5 | 8.8 | -- | -- | -- | -- | -- |
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
