Download an Excel file* of this document: profile_maryland__carroll_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 | 150,897 | -- | 169,752 | -- | 167,134 | 167,261 | -- | -- |
| Persons in Households 2 | 147,298 | 305 | 163,196 | -- | 163,815 | 163,493 | -- | -- |
| Total Households 3 | 52,601 | 207 | 58,944 | 1,144 | 59,786 | 59,373 | 714 | Yes |
| Average Number of Persons per Household 4 | 2.80 | 0.03 | 2.77 | 0.03 | 2.74 | 2.75 | 0.03 | Yes |
| Average Household Income 5 | $67,535 | $1,086 | $92,603 | $3,230 | -- | $96,309 | $2,620 | Yes |
| Average Number of Vehicles per Household 6 | 2.12 | 0.03 | 2.23 | 0.06 | -- | 2.20 | 0.05 | Yes |
| Percent of Persons in Poverty 7 | 3.80 | 0.30 | 6.00 | 1.00 | -- | 5.20 | 0.76 | Yes |
| Percent Minority 8 | 4.40 | 0.30 | 7.50 | 0.23 | 7.10 | 7.20 | 0.35 | Yes |
| Percent of Persons 65 and Over 9 | 10.80 | 0.40 | 12.30 | 0.57 | 13.00 | 13.80 | 0.60 | Yes |
| Percent of Persons Foreign Born 10 | 2.00 | 0.20 | 3.60 | 0.33 | -- | 3.50 | 0.40 | Yes |
| Total Workers at Place of Residence11 | 78,587 | 999 | 88,521 | 1,780 | -- | 87,283 | 1,420 | 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 | 77,590 | 100.0 | 1,000 | 85,219 | 100.0 | 1,728 | 85,672 | 100.0 | 1,355 | Yes |
| Drove alone | 64,445 | 83.1 | 990 | 71,031 | 83.4 | 1,839 | 71,319 | 83.2 | 1,492 | Yes |
| 2-person Carpool | 5,845 | 7.5 | 386 | 6,628 | 7.8 | 711 | 6,032 | 7.0 | 738 | No |
| 3-or-more-person Carpool | 1,775 | 2.3 | 216 | 1,159 | 1.4 | 328 | 1,790 | 2.1 | 439 | No |
| Transit | 970 | 1.3 | 160 | 774 | 0.9 | 256 | 828 | 1.0 | 321 | No |
| Bike | 35 | 0.0 | 30 | 63 | 0.1 | 67 | 79 | 0.1 | 105 | No |
| Walked | 1,135 | 1.5 | 173 | 1,425 | 1.7 | 311 | 882 | 1.0 | 227 | No |
| Taxi, Motorcycle and Other means | 390 | 0.5 | 102 | 393 | 0.5 | 238 | 515 | 0.6 | 196 | No |
| Worked at Home | 2,995 | 3.9 | 279 | 3,746 | 4.4 | 625 | 4,227 | 4.9 | 609 | 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 | 48,625 | 100.0 | 935 | 56,497 | 100.0 | 2,172 | 55,730 | 100.0 | 1,797 | Yes |
| Drove alone | 38,720 | 79.6 | 874 | 46,509 | 82.3 | 1,975 | 44,023 | 79.0 | 1,572 | Yes |
| 2-person Carpool | 3,840 | 7.9 | 315 | 3,169 | 5.6 | 551 | 4,497 | 8.1 | 756 | No |
| 3-or-more-person Carpool | 1,205 | 2.5 | 178 | 1,015 | 1.8 | 357 | 1,396 | 2.5 | 509 | No |
| Transit | 315 | 0.6 | 91 | 191 | 0.3 | 107 | 268 | 0.5 | 197 | No |
| Bike | 35 | 0.1 | 30 | 63 | 0.1 | 67 | 79 | 0.1 | 105 | No |
| Walked | 1,165 | 2.4 | 175 | 1,350 | 2.4 | 315 | 900 | 1.6 | 237 | No |
| Taxi, Motorcycle and Other means | 355 | 0.7 | 97 | 454 | 0.8 | 198 | 340 | 0.6 | 165 | No |
| Worked at Home | 2,995 | 6.2 | 279 | 3,746 | 6.6 | 625 | 4,227 | 7.6 | 609 | 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) | 34.1 | 0.5 | 34.0 | 1.2 | 35.0 | 1.1 | No |
| Drove alone | 33.8 | 0.5 | 33.5 | 1.4 | 34.7 | 1.2 | No |
| Carpooled | 38.4 | 1.9 | 39.8 | 6.4 | 36.9 | 6.8 | No |
| Transit | 55.4 | 4.9 | 61.9 | 30.7 | 55.1 | 28.5 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 12.5 | 2.8 | 14.2 | 6.6 | 27.2 | 12.1 | Yes |
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
