Congressional District 51 consists of the following:
Whole counties in District 51
Imperial
Partial counties in District 51
San Diego
Whole Tracts in San Diego County
27.05, 30.01, 30.04, 31.01, 31.03, 31.05, 31.09, 31.11, 31.12, 31.13, 31.14, 31.15, 32.01, 32.02, 32.04, 32.07, 32.08, 32.09, 32.11, 32.12, 32.13, 32.14, 33.02, 34.01, 34.03, 34.04, 100.01, 100.03, 100.04, 100.05, 100.09, 100.10, 100.11, 100.12, 100.13, 100.14, 100.15, 101.06, 101.07, 101.09, 101.10, 101.11, 101.12, 114.00, 115.00, 116.01, 116.02, 117.00, 118.01, 118.02, 119.01, 119.02, 120.01, 120.02, 120.03, 121.01, 121.02, 122.00, 123.02, 123.03, 123.04, 124.01, 124.02, 125.00, 126.00, 127.00, 128.00, 129.00, 130.00, 131.02, 131.03, 131.04, 132.03, 132.04, 132.05, 132.06, 133.01, 133.02, 133.03, 133.06, 133.07, 133.08, 133.09, 133.10, 133.11, 133.12, 134.01, 134.09, 134.11, 134.12, 134.13, 134.14, 134.15, 134.16, 134.17, 134.18, 134.19
Partial Tracts in San Diego County
25.02--the following census blocks:
4003, 4004, 4005, 4006, 4007, 4008, 4009, 4010, 4011, 4012
27.03--the following census blocks:
3008, 3009
27.06--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 2000, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 3008, 3009, 4000, 4001, 4002, 5001, 5002, 5003, 5004, 5005, 5006, 5007, 5008
27.09--the following census block:
1000
27.10--the following census blocks:
1009, 2000, 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010
30.03--the following census blocks:
1003, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 1019, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 3008, 3009, 3010
31.07--the following census blocks:
1002, 1003, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023, 1024, 1025, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 3003, 3004, 3005, 3006, 3007, 3008, 3009, 3010, 3011, 3012
31.08--the following census blocks:
1014, 1015, 2007
33.01--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2017, 2018
33.03--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 2000, 2001, 2002, 2003
35.02--the following census blocks:
2000, 2005, 2008
41.00--the following census block:
2001
101.03--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023, 1024, 1025, 1026, 1027, 1028, 1029, 1030, 1031, 1032, 1033, 1034, 1035, 1036, 1037, 1038, 1039, 1040, 1041, 1042, 1043, 1044, 1045, 1046, 1047, 1048, 1049, 1050, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 3008, 3009, 3010, 3011, 3012, 3013, 3014, 3015, 3016
101.04--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 3000, 3001, 3002, 3003, 3004, 3005, 3006, 3008, 3009, 3010, 3011, 3012, 3013, 3014, 3015
133.13--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023, 1024, 1025, 1026, 1027, 1028, 1029, 1030, 1031, 1033, 1035, 1036, 1037, 1038, 1039, 1040, 1041, 1042, 1997
134.10--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1017, 1018, 1019, 1020, 1021, 1022, 1023, 1024, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 3000, 3001, 3002, 3003, 3004, 3005, 3006
141.02--the following census blocks:
1000, 1001, 1002, 1003, 1004, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023, 1024, 1025, 1026, 1027, 1028, 1029, 1030, 2000, 2002, 2003, 2004, 2005, 2006, 2007, 2008
143.00--the following census block:
2015
210.00--the following census blocks:
3172, 3173, 3174, 3175, 3176, 3177, 3178, 4000, 4001, 4002, 4003, 4004, 4005, 4006, 4007, 4008, 4009, 4010, 4011, 4012, 4013, 4014, 4015, 4016, 4017, 4018, 4019, 4020, 4021, 4022, 4023, 4101, 4102, 4103
211.00--the following census blocks:
1094, 1095, 1096, 1097, 1098, 1099, 1100, 1101, 1102, 1103, 1104, 1105, 1106, 1107, 1108, 1109, 1110, 1111, 1112, 1113, 1114, 1115, 1116, 1117, 1118, 1119, 1120, 1121, 1122, 1123, 1124, 1125, 1126, 1127, 1128, 1129, 1130, 1131, 1132, 1133, 1134, 1135, 1136, 1137, 1138, 1139, 1141, 1142, 1143, 1146, 1151, 1152, 1153, 1154, 1155, 1156, 1157, 1158, 1159, 1160, 1161, 1162, 1163, 1164, 1165, 1166, 1167, 1168, 1172, 1173, 1174, 1175, 1176, 1177, 2063, 2064, 2065, 2066, 2067, 2068, 2069, 2070, 2071, 2072, 2073, 2074, 2075, 2076, 2077, 2078, 2079, 2080, 2081, 2082, 2083, 2084, 2085, 2086, 2087, 2100, 2101, 2112, 2113, 2114, 2118, 2119, 2120, 2121, 2122, 2123, 2124, 2125, 2126, 2127, 2128, 2129, 2130, 2131, 2132, 2133, 2134, 2135, 2136, 2137, 2138, 2139, 2140, 2141, 2142, 2143, 2144, 2145, 3152, 3153, 3154, 3155, 3156, 3157, 3158, 3159, 3160, 3161, 3162, 3163, 3164, 3191, 3192, 3193, 3196, 3197, 3198, 3199, 3200, 3201, 3202, 3203, 3204, 3205, 3206, 3207, 3208, 3209, 3210, 3211, 3212, 3213, 3214, 3215, 3216, 3217, 3218, 3219, 3220, 3221, 3222, 3223, 3224, 3225, 3226, 3227, 3228, 3229, 3230, 3231, 3232, 3233, 3234, 3235, 3236, 3237, 3238, 3239, 3240, 3241, 3242, 3243, 3244, 3245, 3246, 3247, 3248, 3249, 3250, 3251, 3252, 3253, 3254, 3255, 3256, 3257, 3258, 3259, 3260, 3261, 3262, 3263, 4000, 4001, 4002, 4003, 4004, 4005, 4006, 4007, 4008, 4009, 4010, 4011, 4012, 4013, 4014, 4015, 4016, 4017, 4018, 4019, 4020, 4021, 4022, 4023, 4024, 4025, 4026, 4027, 4028, 4029, 4030, 4031, 4032, 4033, 4034, 4035, 4036, 4037, 4038, 4039, 4040, 4041, 4042, 4043, 4044, 4045, 4046, 4047, 4048, 4049, 4050, 4051, 4052, 4053, 4054, 4055, 4056, 4057, 4058, 4059, 4060, 4061, 4062, 4063, 4064, 4065, 4066, 4067, 4068, 4069, 4070, 4071, 4072, 4073, 4074, 4075, 4076, 4077, 4078
213.02--the following census blocks:
2031, 2032, 2036, 2037, 2038, 2039, 2040, 2041, 2042, 2049, 2050, 2051, 2052, 2053, 2064, 2065, 2066, 2067, 2071, 2072, 2075
213.03--the following census blocks:
2043, 2045, 2046, 2047, 2048, 2049, 2050, 2051, 2052, 2995
213.04--the following census blocks:
2042, 2043