Download an Excel file* of this document: profile_illinois__knox_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 | 55,836 | -- | 51,786 | -- | 52,919 | 52,612 | -- | -- |
| Persons in Households 2 | 51,451 | 257 | 46,905 | -- | 48,964 | 48,249 | -- | -- |
| Total Households 3 | 22,056 | 159 | 21,746 | 707 | 21,535 | 21,592 | 641 | No |
| Average Number of Persons per Household 4 | 2.33 | 0.04 | 2.16 | 0.05 | 2.27 | 2.23 | 0.04 | Yes |
| Average Household Income 5 | $43,780 | $1,030 | $47,989 | $2,530 | -- | $51,264 | $2,940 | Yes |
| Average Number of Vehicles per Household 6 | 1.72 | 0.03 | 1.67 | 0.08 | -- | 1.67 | 0.08 | No |
| Percent of Persons in Poverty 7 | 11.10 | 0.60 | 15.90 | 2.45 | -- | 16.90 | 2.00 | Yes |
| Percent Minority 8 | 10.20 | 0.50 | 11.90 | 0.56 | 12.50 | 12.00 | 0.68 | Yes |
| Percent of Persons 65 and Over 9 | 17.50 | 0.70 | 18.20 | 1.11 | 18.40 | 18.70 | 0.99 | No |
| Percent of Persons Foreign Born 10 | 1.60 | 0.20 | 2.10 | 0.70 | -- | 2.40 | 0.62 | Yes |
| Total Workers at Place of Residence11 | 25,504 | 476 | 22,465 | 1,054 | -- | 21,933 | 970 | 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 | 25,130 | 100.0 | 476 | 21,740 | 100.0 | 879 | 21,719 | 100.0 | 950 | Yes |
| Drove alone | 20,265 | 80.6 | 460 | 17,958 | 82.6 | 965 | 17,873 | 82.3 | 790 | Yes |
| 2-person Carpool | 2,030 | 8.1 | 179 | 1,428 | 6.6 | 280 | 1,288 | 5.9 | 315 | Yes |
| 3-or-more-person Carpool | 520 | 2.1 | 92 | 267 | 1.2 | 117 | 453 | 2.1 | 194 | No |
| Transit | 140 | 0.6 | 48 | 179 | 0.8 | 117 | 84 | 0.4 | 76 | No |
| Bike | 75 | 0.3 | 35 | 131 | 0.6 | 100 | 115 | 0.5 | 74 | No |
| Walked | 1,030 | 4.1 | 129 | 889 | 4.1 | 366 | 933 | 4.3 | 215 | No |
| Taxi, Motorcycle and Other means | 305 | 1.2 | 70 | 281 | 1.3 | 217 | 267 | 1.2 | 226 | No |
| Worked at Home | 755 | 3.0 | 110 | 607 | 2.8 | 195 | 706 | 3.3 | 172 | 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 | 26,620 | 100.0 | 478 | -- | 100.0 | -- | 21,441 | 100.0 | 920 | Yes |
| Drove alone | 21,585 | 81.1 | 466 | -- | -- | -- | 17,732 | 82.7 | 775 | Yes |
| 2-person Carpool | 2,190 | 8.2 | 186 | -- | -- | -- | 1,124 | 5.2 | 320 | Yes |
| 3-or-more-person Carpool | 550 | 2.1 | 94 | -- | -- | -- | 503 | 2.3 | 198 | No |
| Transit | 135 | 0.5 | 47 | -- | -- | -- | 84 | 0.4 | 76 | No |
| Bike | 80 | 0.3 | 36 | -- | -- | -- | 115 | 0.5 | 74 | No |
| Walked | 1,015 | 3.8 | 128 | -- | -- | -- | 911 | 4.2 | 213 | No |
| Taxi, Motorcycle and Other means | 315 | 1.2 | 72 | -- | -- | -- | 266 | 1.2 | 197 | No |
| Worked at Home | 755 | 2.8 | 110 | -- | -- | -- | 706 | 3.3 | 172 | 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) | 18.2 | 0.6 | 20.0 | 1.6 | 18.9 | 1.5 | No |
| Drove alone | 18.0 | 0.6 | 19.2 | 1.8 | 19.2 | 1.6 | No |
| Carpooled | 22.4 | 2.1 | 32.1 | 9.0 | 22.1 | 7.2 | No |
| Transit | 35.9 | 7.9 | 33.0 | 32.2 | 33.6 | 44.4 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 11.6 | 1.9 | 13.9 | 6.5 | 9.1 | 3.5 | 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