2007-11 Citizen Voting Age Population Update

I missed out on commenting on the Chronicle’s coverage of the recent update on Census data. This comes from the American Community Survey’s annual rolling update to their population counts.

I’ve only scratched the surface and updated some of my counts on how the total population translates down to citizen voting age population. Here are the topline numbers now. I owe it to myself to double-check these for accuracy, but there are some interesting notes for what turns up here. These are all taken from the 5-year ACS summary.

          Tot. Pop. '10 (%)   Tot. Pop. '11 (%)
-----------------------------------------------
TOTAL     4,092,459           4,025,409
-----------------------------------------------
Anglo     1,349,646 (33.0%)   1,353,868 (33.6%)
Hispanic  1,671,540 (40.8%)   1,621,065 (40.3%)
Afr.-Am.    754,258 (18.4%)     747,398 (18.6%)
Asian       249,853  (6.1%)     246,924  (6.1%)
Other        67,162  (1.6%)      56,154  (1.4%)
            18+ Pop. '10 (%)    18+ Pop. '11 (%)
-------------------------------------------------
TOTAL      2,944,624            2,893,717
-------------------------------------------------
Anglo      1,085,630 (36.9%)    1,085,427 (37.5%)
Hispanic   1,082,570 (36.7%)    1,049,076 (36.3%)
Afr.-Am.     541,108 (18.4%)      540,203 (18.7%)
Asian        194,956  (6.6%)      193,555  (6.7%)
Other         40,360  (1.4%)       25,456  (0.9%)
           CVAP-09 (%)        CVAP-10 (%)         CVAP-11  (%)
-----------------------------------------------------------------
TOTAL     2,195,535          2,230,550          2,276,903
-----------------------------------------------------------------
Anglo     1,090,624 (49.7%)  1,051,265 (47.1%)  1,048,230 (46.0%)
Hispanic    494,695 (22.5%)    530,490 (23.8%)    560,416 (24.6%)
Afr.-Am.    481,492 (21.9%)    506,150 (22.7%)    519,122 (22.8%)
Asian       106,547  (4.9%)    120,660  (5.4%)    125,733  (5.5%)
Other        22,177  (1.0%)     21,985  (1.0%)     23,402  (1.0%)

Did you notice that the raw number and percentage of total and 18+ Hispanic population decreased from the ’10 counts to the ’11 counts? Keep in mind that the ACS data isn’t the same as the Census. The methodology for counts isn’t the same. But it’s still interesting to see a drop in population share. Even more interesting is that they come as the Citizen Voting Age Population rose for Hispanics in both the overall estimate and the share of the county’s population.

At some point during football games tomorrow, I’ll get around to both mapping this out, double-checking my math and digging into more granular detail. My hunch for now is that much of the change seen here may be due to methodology changes as much as actual numerical growth patterns. I’ll update as time and findings permit. Here’s the full update I did from the 2010 results, if you’re up for some comparison.

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