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2000, 2007-2009 ACS, Census 2010 and 2010-2012 ACS

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Geographic Area: Lewis and Clark County, Montana FIPS: 30049

Download an Excel file* of this document: profile_montana__lewis_and_clark_county.xls.

Table 1. Selected Characteristics
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 55,716 -- 61,076 -- 63,395 64,247 -- --
Persons in Households 2 54,466 141 59,053 -- 61,449 62,488 -- --
Total Households 3 22,855 203 23,920 551 26,694 26,502 612 Yes
Average Number of Persons per Household 4 2.38 0.04 2.47 0.04 2.30 2.36 0.05 No
Average Household Income 5 $45,425 $1,020 $59,941 $3,386 -- $65,114 $2,926 Yes
Average Number of Vehicles per Household 6 1.93 0.04 2.01 0.09 -- 1.99 0.08 No
Percent of Persons in Poverty 7 10.90 0.50 9.60 2.07 -- 10.40 1.76 No
Percent Minority 8 5.10 0.40 5.60 0.32 6.00 6.40 0.38 Yes
Percent of Persons 65 and Over 9 11.70 0.60 13.00 0.99 13.80 14.30 1.02 Yes
Percent of Persons Foreign Born 10 1.60 0.20 1.60 0.38 -- 1.60 0.44 No
Total Workers at Place of Residence11 28,810 477 32,386 1,134 -- 32,693 762 Yes
Table 2a. Mode to Work
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 28,410 100.0 477 31,552 100.0 937 32,255 100.0 809 Yes
Drove alone 21,570 75.9 465 23,001 72.9 938 25,672 79.6 951 Yes
2-person Carpool 2,615 9.2 202 3,195 10.1 596 3,044 9.4 661 No
3-or-more-person Carpool 830 2.9 116 822 2.6 310 565 1.8 230 Yes
Transit 115 0.4 43 12 0.0 20 157 0.5 108 No
Bike 185 0.7 55 635 2.0 260 463 1.4 199 Yes
Walked 1,575 5.5 158 1,745 5.5 487 1,005 3.1 249 Yes
Taxi, Motorcycle and Other means 150 0.5 49 583 1.8 258 163 0.5 134 No
Worked at Home 1,375 4.8 148 1,559 4.9 330 1,186 3.7 270 No
Table 2b. Mode to Work
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 30,845 100.0 475 34,310 100.0 988 35,048 100.0 1,005 Yes
Drove alone 23,680 76.8 472 25,287 73.7 1,015 28,163 80.4 1,086 Yes
2-person Carpool 2,890 9.4 212 3,700 10.8 628 3,239 9.2 658 No
3-or-more-person Carpool 915 3.0 121 887 2.6 279 669 1.9 233 No
Transit 105 0.3 41 12 0.0 20 157 0.4 108 No
Bike 185 0.6 55 565 1.6 236 444 1.3 192 Yes
Walked 1,560 5.1 158 1,743 5.1 473 1,027 2.9 240 Yes
Taxi, Motorcycle and Other means 130 0.4 46 557 1.6 218 163 0.5 88 No
Worked at Home 1,375 4.5 148 1,559 4.5 330 1,186 3.4 270 No
Table 3. Mean Travel Time by Mode to Work
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) 16.7 0.5 -- -- 17.4 1.3 No
Drove alone 15.8 0.5 -- -- 17.1 1.5 No
Carpooled 22.8 1.6 -- -- 20.1 6.1 No
Transit 44.3 13.2 -- -- 27.2 27.4 No
Taxi, Motorcycle, Walk, Bicycle and Other means 14.3 2.0 -- -- 15.3 5.2 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

Updated: 8/11/2017
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