Download an Excel file* of this document: profile_maryland__gaithersburg_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 | 52,780 | -- | 59,064 | 64 | 59,933 | 61,413 | 68 | -- |
| Persons in Households 2 | 52,150 | 128 | -- | -- | 59,386 | 60,989 | -- | -- |
| Total Households 3 | 19,686 | 149 | 22,080 | 923 | 22,000 | 22,526 | 752 | Yes |
| Average Number of Persons per Household 4 | 2.65 | 0.05 | 2.66 | 0.11 | 2.70 | 2.71 | 0.09 | No |
| Average Household Income 5 | $72,720 | $2,071 | $97,297 | $6,260 | -- | $105,205 | $8,389 | Yes |
| Average Number of Vehicles per Household 6 | 1.56 | 0.04 | 1.69 | 0.09 | -- | 1.61 | 0.08 | No |
| Percent of Persons in Poverty 7 | 7.10 | 0.60 | 7.00 | 2.18 | -- | 10.00 | 2.44 | Yes |
| Percent Minority 8 | 42.40 | 1.10 | 42.50 | 4.08 | 49.20 | 46.20 | 2.46 | Yes |
| Percent of Persons 65 and Over 9 | 8.20 | 0.60 | 9.70 | 1.17 | 9.50 | 9.60 | 1.03 | Yes |
| Percent of Persons Foreign Born 10 | 34.30 | 1.10 | 36.60 | 2.89 | -- | 39.60 | 2.89 | Yes |
| Total Workers at Place of Residence11 | 28,743 | 589 | 33,548 | 1,892 | -- | 33,190 | 1,238 | 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 | 28,145 | 100.0 | 590 | 33,100 | 100.0 | 1,314 | 32,511 | 100.0 | 1,095 | Yes |
| Drove alone | 19,260 | 68.4 | 570 | 24,370 | 73.6 | 1,436 | 21,428 | 65.9 | 1,222 | Yes |
| 2-person Carpool | 2,765 | 9.8 | 264 | 2,730 | 8.2 | 636 | 3,458 | 10.6 | 968 | No |
| 3-or-more-person Carpool | 1,005 | 3.6 | 162 | 396 | 1.2 | 288 | 794 | 2.4 | 399 | No |
| Transit | 3,399 | 12.1 | 290 | 3,758 | 11.4 | 603 | 4,036 | 12.4 | 627 | No |
| Bike | 60 | 0.2 | 40 | 199 | 0.6 | 142 | 42 | 0.1 | 54 | No |
| Walked | 645 | 2.3 | 130 | 590 | 1.8 | 227 | 934 | 2.9 | 393 | No |
| Taxi, Motorcycle and Other means | 180 | 0.6 | 69 | 155 | 0.5 | 204 | 408 | 1.3 | 292 | No |
| Worked at Home | 830 | 2.9 | 147 | 902 | 2.7 | 278 | 1,411 | 4.3 | 327 | 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 | 38,355 | 100.0 | 527 | 43,456 | 100.0 | 2,163 | 42,886 | 100.0 | 2,004 | Yes |
| Drove alone | 29,760 | 77.6 | 587 | 34,571 | 79.6 | 1,787 | 32,496 | 75.8 | 1,833 | Yes |
| 2-person Carpool | 3,610 | 9.4 | 299 | 3,738 | 8.6 | 651 | 3,458 | 8.1 | 665 | No |
| 3-or-more-person Carpool | 1,090 | 2.8 | 168 | 1,025 | 2.4 | 399 | 1,061 | 2.5 | 371 | No |
| Transit | 1,915 | 5.0 | 221 | 2,210 | 5.1 | 518 | 2,975 | 6.9 | 599 | Yes |
| Bike | 90 | 0.2 | 49 | 72 | 0.2 | 68 | 113 | 0.3 | 96 | No |
| Walked | 790 | 2.1 | 144 | 770 | 1.8 | 242 | 1,049 | 2.4 | 361 | No |
| Taxi, Motorcycle and Other means | 280 | 0.7 | 86 | 168 | 0.4 | 124 | 323 | 0.8 | 183 | No |
| Worked at Home | 830 | 2.2 | 147 | 902 | 2.1 | 278 | 1,411 | 3.3 | 327 | 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) | 31.3 | 0.8 | 32.3 | 2.2 | 31.2 | 2.0 | No |
| Drove alone | 28.2 | 0.9 | 29.1 | 2.9 | 28.7 | 2.8 | No |
| Carpooled | 31.7 | 2.1 | 32.3 | 11.6 | 28.9 | 11.1 | No |
| Transit | 51.1 | 2.5 | 54.8 | 12.7 | 53.7 | 12.6 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 19.0 | 3.0 | 26.4 | 15.7 | 12.2 | 7.0 | 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
