Table 2.
Comparisons between the 2005–2009 ACS 5-year county-level estimates and the ACS 1-year county-level estimates of demographic and socioeconomic indicators
| Indicator | Median algebraic error by year |
Median absolute error by year |
||||||
|---|---|---|---|---|---|---|---|---|
| 2006 | 2007 | 2008 | 2009 | 2006 | 2007 | 2008 | 2009 | |
| Demographic | ||||||||
| Total population | 855 | −221 | −1230 | −2773 | 1689 | 523 | 1536 | 2878 |
| Percent Female | −0.04 | 0.01 | −0.01 | 0.02 | 0.18 | 0.18 | 0.20 | 0.16 |
| Percent non-Hispanic white | −0.47 | −0.05 | 0.29 | 0.75 | 0.49 | 0.20 | 0.33 | 0.75 |
| Percent non-Hispanic black | −0.04 | −0.07 | −0.02 | −0.08 | 0.23 | 0.22 | 0.21 | 0.26 |
| Percent Hispanic | 0.32 | 0.08 | −0.13 | −0.41 | 0.33 | 0.13 | 0.15 | 0.42 |
| Socioeconomic | ||||||||
| Percent below poverty level | 0.21 | 0.54 | 0.30 | −0.81 | 0.90 | 0.98 | 1.00 | 1.19 |
| Percent less than high school | −0.52 | −0.06 | 0.58 | 0.62 | 0.77 | 0.62 | 0.82 | 0.83 |
| Percent high school graduate | −0.65 | −0.74 | 0.78 | 0.71 | 1.07 | 1.11 | 1.09 | 1.04 |
| Percent greater than high school | 1.15 | 0.79 | −1.33 | −1.39 | 1.42 | 1.19 | 1.47 | 1.51 |
| Percent professional/managerial | 1.19 | 0.50 | −0.49 | −1.75 | 1.64 | 1.24 | 1.25 | 1.93 |
| Median household income | 62 | −736 | −470 | 784 | 951 | 1114 | 1078 | 1253 |
Error is defined as (interpolated estimate) - (reference estimate)