Summary statistics for county_population dataset : by Jean Roth , jroth@nber.org , 5 Jan 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- fips | 0 state_fips | 6,346 30.24929 15.1688 0 56 county_fips | 6,346 15095.19 18522.04 0 56045 areaname | 0 state_name | 0 -------------+--------------------------------------------------------- county_name | 0 fipsst | 0 fipsco | 0 region | 3,194 2.668754 .8074081 1 4 division | 3,194 5.191296 1.973685 1 9 -------------+--------------------------------------------------------- pop1970 | 3,190 191193.1 3677747 64 2.03e+08 pop1971 | 3,190 194506.5 3741025 100 2.07e+08 pop1972 | 3,190 196817.7 3784870 100 2.09e+08 pop1973 | 3,190 198766.7 3821809 100 2.11e+08 pop1974 | 3,190 200635.6 3857345 100 2.13e+08 -------------+--------------------------------------------------------- pop1975 | 3,190 202630.7 3895488 100 2.15e+08 pop1976 | 3,190 204603.3 3933254 100 2.18e+08 pop1977 | 3,190 206670.6 3972712 100 2.20e+08 pop1978 | 3,190 208867.5 4014804 100 2.22e+08 pop1979 | 3,190 211192.4 4059315 100 2.25e+08 -------------+--------------------------------------------------------- pop1980 | 3,193 212849 4093150 66 2.27e+08 pop1981 | 3,193 215595.8 4146269 64 2.29e+08 pop1982 | 3,193 217661.5 4186478 62 2.32e+08 pop1983 | 3,193 219660.5 4225438 60 2.34e+08 pop1984 | 3,193 221570.5 4262529 59 2.36e+08 -------------+--------------------------------------------------------- pop1985 | 3,193 223542.5 4301004 57 2.38e+08 pop1986 | 3,193 225618.1 4341663 56 2.40e+08 pop1987 | 3,193 227643.8 4381238 54 2.42e+08 pop1988 | 3,193 229720.3 4421764 53 2.44e+08 pop1989 | 3,193 231900.3 4464434 51 2.47e+08 -------------+--------------------------------------------------------- pop1990 | 3,193 234385.6 4512893 106 2.49e+08 pop1991 | 3,193 236911.8 4561670 101 2.52e+08 pop1992 | 3,193 239614.5 4613783 113 2.55e+08 pop1993 | 3,193 242201 4663357 105 2.58e+08 pop1994 | 3,193 244591.6 4709011 101 2.60e+08 -------------+--------------------------------------------------------- pop1995 | 3,193 246918.2 4753461 93 2.63e+08 pop1996 | 3,193 249196.9 4797241 83 2.65e+08 pop1997 | 3,193 251597.5 4843628 76 2.68e+08 pop1998 | 3,193 253912.9 4888504 67 2.70e+08 pop1999 | 3,193 256208.1 4932991 58 2.73e+08 -------------+--------------------------------------------------------- pop2000 | 3,194 176688.8 1071923 64 3.40e+07 pop2001 | 3,194 178510.7 1084689 62 3.45e+07 pop2002 | 3,194 180215.4 1096029 66 3.49e+07 pop2003 | 3,194 181794.9 1106557 60 3.53e+07 pop2004 | 3,194 183497.6 1117126 45 3.56e+07 -------------+--------------------------------------------------------- pop2005 | 3,194 185193 1127036 54 3.58e+07 pop2006 | 3,194 186971.3 1137395 55 3.60e+07 pop2007 | 3,194 188841.5 1147731 54 3.62e+07 pop2008 | 3,194 190591.6 1158680 40 3.66e+07 pop2009 | 3,194 192239.5 1169814 45 3.70e+07 -------------+--------------------------------------------------------- pop19904 | 3,193 233752.8 4500641 107 2.49e+08 pop20104 | 3,142 98262.04 312946.7 82 9818605 base20104 | 3,142 98268.02 312957.9 82 9818664 pop2010 | 3,142 98455.46 313552.3 83 9827231 pop2011 | 3,142 99211.21 316712.4 90 9898214 -------------+--------------------------------------------------------- pop2012 | 3,142 99972.02 320005.6 83 9974868 pop2013 | 3,142 100731.2 323235.2 89 1.01e+07 pop2014 | 3,142 101482.2 326174.2 86 1.01e+07 by Jean Roth , jroth@nber.org , 5 Jan 2016