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Appendix: America's Sex Offender Registries

May 26, 2015 (subscribe)

This post contains additional data referenced from the original sex offender registry post.

Records containing the following were excluded from our statistical analysis:

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state=?? and zip=00000 or 11111
street contains "not available"
street contains "incarcerated" or "incac" or "incrc" or "incarc"
street contains "prison"
street contains "absconded" or "absconced" or "absc"
street contains "detention" or "det" or "det ctr" or "det center" or "detain" or "dt ctr"
street contains "deported"
street contains "incarc"
street contains "unknown" or "unk"
street contains "deceas" or "deseas"
street contains "jail"
street contains "custody"
street contains "immigration"
street contains "transien" or "transnt" or "trnsnt"
street contains "homeles" or "homles"
street contains "inmate"
street contains "out of state"
street contains "xxx"
street contains "failure" or "fail"
street contains "fail"
street contains "register"
street contains "verif"
street contains "behav"
street contains "institut" or "inst"
street is blank
street contains "vicinity"
street contains "fugit"
street contains "no longer"
street contains "correctio" or "corr" or "correct"
street contains "complia"
street contains "reform"
street contains "block of" or "blk of" or "blk"
state is blank and city contains "unk"
street contains "&"
street contains "underpass"
street contains "offend"
street contains "resident"
street contains "between"
city contains "unknown" AND zip contains "00000"
street contains "moved"
street contains "nonresident"
street contains "unconfirmed"
state and zip are same AND city is blank
zip contains "jail"
city contains "Not available" and zip is unintelligible as a zip
street = city
street contains "
street + city + state has more than two entries
street contains "complex"
street contains "reincarc"
city contains "convict"
street contains "usp"
street contains "penit"
street contains "hosp"
street contains "louis" and city is "St. Louis"
street contains "out of area"
street doesn't begin with anything that can be considered a Primary Number
street contains "warrant"
street contains "unverified"
street contains "known"
street contains "non fixed"
street contains "moving" or "moved"
city contains "deported"
street contains "area of" or "area"
street contains "rehab"
street contains "whereab"
street contains "no current address"
street contains "unavail" 

Percent of bad addresses in each state’s sex offender registry

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State Percent State Percent State Percent
AK 39.47% KY 12.95% NY 11.32%
AL 16.82% LA 14.46% OH 11.38%
AR * MA 10.64% OK 12.17%
AZ 13.43% MD 5.93% OR 10.42%
CA 8.71% ME * PA 7.87%
CO 11.73% MI 12.13% RI 5.99%
CT 8.49% MN * SC 14.13%
DC * MO 10.03% SD 22.75%
DE 17.93% MS 14.14% TN 23.51%
FL 5.49% MT 28.71% TX 10.54%
GA 11.71% NC 10.74% UT 13.92%
HI 20.03% ND 15.80% VA 6.46%
IA 13.74% NE 12.00% VT *
ID 11.69% NH 12.68% WA *
IL 12.60% NJ 11.27% WI 5.64%
IN 12.23% NM 26.77% WV 24.59%
KS 12.51% NV 14.15% WY 23.60%


* Will not provide address data