Download an Excel file* of this document: profile_iowa__ames_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 | 50,656 | -- | 55,988 | 23 | 58,965 | 59,941 | 29 | -- |
| Persons in Households 2 | 41,522 | 350 | 49,151 | -- | 51,198 | 51,872 | -- | -- |
| Total Households 3 | 18,066 | 101 | 21,028 | 579 | 22,759 | 22,838 | 582 | Yes |
| Average Number of Persons per Household 4 | 2.30 | 0.04 | 2.34 | 0.05 | 2.25 | 2.27 | 0.04 | No |
| Average Household Income 5 | $49,620 | $1,469 | $56,056 | $2,868 | -- | $56,597 | $3,072 | Yes |
| Average Number of Vehicles per Household 6 | 1.75 | 0.04 | 1.76 | 0.08 | -- | 1.69 | 0.08 | No |
| Percent of Persons in Poverty 7 | 20.40 | 0.80 | 26.30 | 2.33 | -- | 30.10 | 2.37 | Yes |
| Percent Minority 8 | 12.70 | 0.60 | 13.40 | 0.55 | 15.50 | 15.40 | 0.60 | Yes |
| Percent of Persons 65 and Over 9 | 7.40 | 0.50 | 8.20 | 0.78 | 8.10 | 7.50 | 0.69 | No |
| Percent of Persons Foreign Born 10 | 10.30 | 0.50 | 10.00 | 0.85 | -- | 11.60 | 0.84 | Yes |
| Total Workers at Place of Residence11 | 28,958 | 451 | 32,012 | 1,727 | -- | 31,944 | 1,007 | 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 | 28,295 | 100.0 | 452 | 32,231 | 100.0 | 1,066 | 31,314 | 100.0 | 1,011 | Yes |
| Drove alone | 18,505 | 65.4 | 439 | 21,512 | 66.7 | 1,043 | 21,106 | 67.4 | 1,126 | Yes |
| 2-person Carpool | 2,075 | 7.3 | 180 | 2,140 | 6.6 | 401 | 2,320 | 7.4 | 437 | No |
| 3-or-more-person Carpool | 510 | 1.8 | 91 | 510 | 1.6 | 194 | 448 | 1.4 | 158 | No |
| Transit | 1,710 | 6.0 | 164 | 2,715 | 8.4 | 499 | 2,778 | 8.9 | 528 | Yes |
| Bike | 715 | 2.5 | 107 | 648 | 2.0 | 173 | 753 | 2.4 | 215 | No |
| Walked | 3,740 | 13.2 | 238 | 4,062 | 12.6 | 633 | 2,862 | 9.1 | 549 | Yes |
| Taxi, Motorcycle and Other means | 140 | 0.5 | 48 | 209 | 0.6 | 183 | 198 | 0.6 | 162 | No |
| Worked at Home | 895 | 3.2 | 120 | 435 | 1.3 | 150 | 849 | 2.7 | 243 | 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 | 36,725 | 100.0 | 407 | 39,699 | 100.0 | 1,458 | 38,499 | 100.0 | 1,464 | Yes |
| Drove alone | 25,735 | 70.1 | 455 | 27,417 | 69.1 | 1,348 | 27,354 | 71.1 | 1,354 | Yes |
| 2-person Carpool | 3,135 | 8.5 | 219 | 3,400 | 8.6 | 561 | 3,292 | 8.6 | 549 | No |
| 3-or-more-person Carpool | 640 | 1.7 | 102 | 526 | 1.3 | 206 | 325 | 0.8 | 122 | Yes |
| Transit | 1,739 | 4.7 | 166 | 2,844 | 7.2 | 495 | 2,664 | 6.9 | 513 | Yes |
| Bike | 735 | 2.0 | 109 | 664 | 1.7 | 169 | 751 | 2.0 | 218 | No |
| Walked | 3,740 | 10.2 | 238 | 4,105 | 10.3 | 626 | 2,926 | 7.6 | 525 | Yes |
| Taxi, Motorcycle and Other means | 100 | 0.3 | 40 | 308 | 0.8 | 142 | 338 | 0.9 | 188 | Yes |
| Worked at Home | 895 | 2.4 | 120 | 435 | 1.1 | 150 | 849 | 2.2 | 243 | 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) | 15.0 | 0.4 | 15.1 | 1.1 | 16.7 | 1.2 | Yes |
| Drove alone | 15.0 | 0.5 | 15.5 | 1.5 | 17.1 | 1.9 | Yes |
| Carpooled | 17.9 | 1.4 | 19.8 | 5.2 | 18.6 | 4.4 | No |
| Transit | 18.6 | 1.3 | 16.9 | 4.9 | 18.1 | 5.2 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 12.3 | 0.9 | 10.0 | 2.2 | 11.7 | 3.1 | 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
