diff --git a/demos/pandas/2010census.csv b/demos/pandas/2010census.csv
new file mode 100644
index 0000000..473220b
--- /dev/null
+++ b/demos/pandas/2010census.csv
@@ -0,0 +1,312 @@
+Zip Code,Total Population,Median Age,Total Males,Total Females,Total Households,Average Household Size
+91371,1,73.5,0,1,1,1
+90001,57110,26.6,28468,28642,12971,4.4
+90002,51223,25.5,24876,26347,11731,4.36
+90003,66266,26.3,32631,33635,15642,4.22
+90004,62180,34.8,31302,30878,22547,2.73
+90005,37681,33.9,19299,18382,15044,2.5
+90006,59185,32.4,30254,28931,18617,3.13
+90007,40920,24,20915,20005,11944,3
+90008,32327,39.7,14477,17850,13841,2.33
+90010,3800,37.8,1874,1926,2014,1.87
+90011,103892,26.2,52794,51098,22168,4.67
+90012,31103,36.3,19493,11610,10327,2.12
+90013,11772,44.6,7629,4143,6416,1.26
+90014,7005,44.8,4471,2534,4109,1.34
+90015,18986,31.3,9833,9153,7420,2.45
+90016,47596,33.9,22778,24818,16145,2.93
+90017,23768,29.4,12818,10950,9338,2.53
+90018,49310,33.2,23770,25540,15493,3.12
+90019,64458,35.8,31442,33016,23344,2.7
+90020,38967,34.6,19381,19586,16514,2.35
+90021,3951,44.3,2790,1161,1561,1.57
+90022,67179,29.8,33216,33963,17023,3.94
+90023,45903,28.4,23037,22866,10727,4.26
+90024,47452,23.6,22248,25204,17903,2.03
+90025,42147,34.7,20859,21288,21228,1.97
+90026,67869,34,34515,33354,24956,2.68
+90027,45151,38.3,22362,22789,21929,1.99
+90028,28714,34,16056,12658,14964,1.78
+90029,38617,34.6,19575,19042,13883,2.7
+90031,39316,33.5,19546,19770,11156,3.49
+90032,45786,32.4,22564,23222,12765,3.52
+90033,48852,29.2,24425,24427,12924,3.66
+90034,57964,32.8,28828,29136,25592,2.23
+90035,28418,37.5,13326,15092,12814,2.19
+90036,36865,33.9,17914,18951,18646,1.96
+90037,62276,28.8,31187,31089,15869,3.85
+90038,28917,33.1,15383,13534,11928,2.41
+90039,28514,38.8,14383,14131,11436,2.47
+90040,12520,31.2,6129,6391,3317,3.75
+90041,27425,39,13212,14213,9513,2.71
+90042,62430,33.6,30836,31594,19892,3.11
+90043,44789,38.7,20561,24228,16075,2.76
+90044,89779,28.6,43128,46651,25144,3.55
+90045,39480,35.6,18958,20522,15224,2.37
+90046,48581,38.5,25854,22727,28534,1.69
+90047,48606,36.2,22129,26477,16168,2.99
+90048,21397,39.2,10132,11265,11821,1.77
+90049,35482,41.3,16359,19123,16657,2.09
+90056,7827,48.4,3436,4391,3371,2.32
+90057,44998,31.2,24300,20698,15658,2.81
+90058,3223,26,1555,1668,892,3.6
+90059,40952,25.7,19623,21329,9596,4.19
+90061,26872,28.4,13049,13823,6892,3.85
+90062,32821,31.8,15720,17101,9155,3.55
+90063,55758,29,27843,27915,13260,4.19
+90064,25403,40,12297,13106,10968,2.29
+90065,45527,36.1,22873,22654,14476,3.12
+90066,55277,37.3,27714,27563,23985,2.29
+90067,2424,65.3,1074,1350,1510,1.61
+90068,22286,39.4,12018,10268,12326,1.8
+90069,20483,41.5,12153,8330,13364,1.53
+90073,539,56.9,506,33,4,1.25
+90077,9377,47.9,4594,4783,3615,2.57
+90089,3217,19.3,1436,1781,31,1.94
+90094,5464,33.7,2559,2905,2949,1.85
+90095,3,52.5,2,1,2,1.5
+90201,101279,27.8,50658,50621,24104,4.16
+90210,21741,47.5,10292,11449,8669,2.49
+90211,8434,40.6,3849,4585,3706,2.28
+90212,11555,41.2,5211,6344,5567,2.08
+90220,49328,29.8,23773,25555,12741,3.85
+90221,53704,26.7,26346,27358,11630,4.57
+90222,31869,27.3,15375,16494,7520,4.21
+90230,31766,39.1,14932,16834,12883,2.45
+90232,15149,38.6,7333,7816,6605,2.28
+90240,25876,35.5,12501,13375,7632,3.36
+90241,42399,33.9,20466,21933,13617,3.09
+90242,43497,31.6,21207,22290,12687,3.41
+90245,16654,39.2,8304,8350,7085,2.34
+90247,47487,35.5,23217,24270,15830,2.96
+90248,9947,41.2,4823,5124,3427,2.89
+90249,26669,37.2,12897,13772,8880,2.98
+90250,93193,31.9,45113,48080,31087,2.98
+90254,19506,37,10273,9233,9550,2.04
+90255,75066,29.1,37525,37541,18419,4.06
+90260,34924,32.7,17509,17415,10429,3.33
+90262,69745,27.8,33919,35826,14669,4.57
+90265,18116,46.5,9159,8957,7174,2.39
+90266,35135,40.9,17605,17530,14038,2.5
+90270,27372,27.9,13992,13380,6554,4.16
+90272,22986,47.3,10952,12034,9212,2.49
+90274,25209,49.4,12199,13010,9479,2.66
+90275,41804,47.8,20283,21521,15618,2.65
+90277,35293,42,17521,17772,16910,2.07
+90278,40071,38.2,19848,20223,16009,2.49
+90280,94396,29.4,46321,48075,23278,4.05
+90290,6368,45,3180,3188,2612,2.44
+90291,28341,37.6,14757,13584,14261,1.95
+90292,21576,41.2,10729,10847,12654,1.7
+90293,12132,40.4,5890,6242,6575,1.83
+90301,36568,32.6,17633,18935,11895,3.01
+90302,29415,32.8,13803,15612,10684,2.74
+90303,26176,30.4,12733,13443,7290,3.58
+90304,28210,28.1,14503,13707,6634,4.22
+90305,14853,43.3,6552,8301,5933,2.46
+90401,6722,37.8,3524,3198,4188,1.49
+90402,12250,47,5809,6441,5301,2.31
+90403,24525,40.8,11426,13099,13970,1.74
+90404,21360,37.4,10292,11068,10089,2.01
+90405,27186,40.8,13364,13822,14376,1.87
+90501,43180,35,21483,21697,14610,2.94
+90502,18010,40.2,8811,9199,5717,2.94
+90503,44383,40.8,21481,22902,17183,2.55
+90504,32102,40.3,15886,16216,11580,2.76
+90505,36678,43,17684,18994,14244,2.55
+90601,31974,36.6,15312,16662,11027,2.89
+90602,25777,30.9,12720,13057,7980,3.09
+90603,20063,39.4,9694,10369,6788,2.93
+90604,39407,34.1,19270,20137,11932,3.29
+90605,40331,32.6,20033,20298,10527,3.81
+90606,32396,33.5,15936,16460,8633,3.72
+90621,35153,32.1,17377,17776,10304,3.38
+90623,15554,41.2,7516,8038,5072,3.06
+90630,47993,40,23204,24789,15785,3.02
+90631,67619,34.8,33320,34299,21452,3.13
+90638,49012,37.9,23520,25492,14821,3.11
+90640,62549,34.7,30189,32360,19027,3.27
+90650,105549,32.5,52364,53185,27130,3.83
+90660,62928,34,30738,32190,16564,3.77
+90670,14866,36.2,7163,7703,4393,3.34
+90701,16591,38.2,8227,8364,4553,3.51
+90703,49399,43.9,23785,25614,15604,3.16
+90704,4090,37.2,2101,1989,1629,2.5
+90706,76615,31.9,37203,39412,23650,3.21
+90710,25457,36.7,12291,13166,8717,2.91
+90712,31499,38.4,15277,16222,10794,2.91
+90713,27925,39,13574,14351,9447,2.95
+90715,20388,33.9,9935,10453,6105,3.33
+90716,14184,28.3,7078,7106,3515,4.03
+90717,21318,39.5,10317,11001,8520,2.48
+90720,21751,41.7,10423,11328,7789,2.74
+90723,54099,28.6,26315,27784,13882,3.87
+90731,59662,35.6,29951,29711,22044,2.62
+90732,21115,45,9843,11272,8611,2.38
+90740,23729,57.5,10423,13306,12830,1.83
+90744,53815,28.7,27298,26517,13999,3.83
+90745,57251,37.1,27754,29497,15210,3.73
+90746,25990,40.7,11944,14046,8050,3.14
+90755,11074,36.1,5462,5612,4172,2.64
+90802,39347,34.7,20387,18960,19853,1.93
+90803,32031,42.7,15609,16422,17318,1.84
+90804,40311,29.8,19686,20625,14556,2.7
+90805,93524,29,45229,48295,26056,3.56
+90806,42399,30.3,20717,21682,12184,3.44
+90807,31481,39.7,15153,16328,12452,2.49
+90808,38232,41.6,18408,19824,14167,2.69
+90810,36735,31.8,18067,18668,9289,3.9
+90813,58911,27.3,29425,29486,16425,3.5
+90814,19131,37.2,9356,9775,9170,2.06
+90815,39733,37.9,19124,20609,14836,2.53
+90822,117,63.9,109,8,2,4.5
+91001,36126,41.6,17421,18705,12663,2.83
+91006,31715,42.7,15283,16432,10652,2.98
+91007,34095,43.8,16039,18056,12033,2.73
+91008,1391,54.6,614,777,562,2.39
+91010,26074,38.1,12461,13613,7972,3.2
+91011,20280,45.9,9863,10417,6859,2.95
+91016,40598,37.9,19434,21164,15029,2.69
+91020,8415,40.2,3966,4449,3385,2.43
+91024,10917,46.6,5165,5752,4837,2.26
+91030,25616,40.1,12160,13456,10466,2.43
+91040,20372,43.3,10120,10252,7359,2.72
+91042,27585,40.7,13734,13851,9987,2.74
+91046,156,74,51,105,114,1.37
+91101,20460,33.7,9926,10534,10869,1.86
+91103,27480,35,13481,13999,8492,3.11
+91104,36751,38.2,17874,18877,12922,2.8
+91105,11254,49,5432,5822,5213,2.07
+91106,24229,34.6,11993,12236,10723,2.17
+91107,32940,41.2,15940,17000,13028,2.51
+91108,13361,45.4,6410,6951,4415,3.01
+91201,22781,40.4,11123,11658,8150,2.78
+91202,22830,41.7,10805,12025,8879,2.56
+91203,13220,38.9,6279,6941,5044,2.62
+91204,16032,38.1,7699,8333,5639,2.76
+91205,37810,39.1,18084,19726,14089,2.67
+91206,33065,42.6,15544,17521,13261,2.48
+91207,10506,45.5,4924,5582,4097,2.56
+91208,16245,43.6,7756,8489,6106,2.66
+91210,328,33.9,162,166,178,1.84
+91214,30356,42.5,14642,15714,10551,2.87
+91301,25488,42.7,12511,12977,9208,2.76
+91302,25709,42.4,12487,13222,9303,2.76
+91303,26855,31.1,13907,12948,8697,3.08
+91304,50231,35.9,24827,25404,16532,3
+91306,45061,35.4,22679,22382,13635,3.28
+91307,24474,43.4,11939,12535,8315,2.91
+91311,36557,42.7,17838,18719,13425,2.66
+91316,26898,42.1,12717,14181,11911,2.26
+91321,34882,33.3,17402,17480,11215,3.04
+91324,27669,36.5,13545,14124,9289,2.95
+91325,32417,35.4,15819,16598,11825,2.72
+91326,33708,42.7,16394,17314,11770,2.86
+91330,2702,19.6,1103,1599,2,2.5
+91331,103689,29.5,52358,51331,22465,4.6
+91335,74363,35.5,36596,37767,22855,3.21
+91340,34188,30.1,17130,17058,8176,4.17
+91342,91725,31.9,45786,45939,23543,3.83
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+91352,47807,32.1,23980,23827,11985,3.95
+91354,28722,36.4,14046,14676,9522,3.01
+91355,32605,38.8,15773,16832,12772,2.51
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+93536,70918,34.4,37804,33114,20964,3.07
+93543,13033,32.9,6695,6338,3560,3.66
+93544,1259,52.4,689,570,569,2.2
+93550,74929,27.5,36414,38515,20864,3.58
+93551,50798,37,25056,25742,15963,3.18
+93552,38158,28.4,18711,19447,9690,3.93
+93553,2138,43.3,1121,1017,816,2.62
+93560,18910,32.4,9491,9419,6469,2.92
+93563,388,44.5,263,125,103,2.53
+93591,7285,30.9,3653,3632,1982,3.67
diff --git a/demos/pandas/avg_house_pop.py b/demos/pandas/avg_house_pop.py
new file mode 100644
index 0000000..d6cfcf6
--- /dev/null
+++ b/demos/pandas/avg_house_pop.py
@@ -0,0 +1,11 @@
+import pandas
+
+data = pandas.read_csv('2010census.csv')
+average_per_home = data['Total Population'] / data['Total Households']
+
+calc_average = average_per_home.mean()
+real_average = data['Average Household Size'].mean()
+
+print("Real average is:", real_average)
+print("Calculated average is:", calc_average)
+print("Error is:", abs(calc_average-real_average))