Sales tax change frequency by state

Zip2Tax compares the sales tax change frequency of the states. Ever wonder how your state measures up?

It’s generally accepted that there are around 11,000 sales tax jurisdictions across this great and diverse country of ours. This fact alone would seem to be a fairly reasonable argument for the outsourcing of sales and use tax rates from a company such as Zip2Tax. As the head of marketing for Zip2Tax I am always trying to understand our customer’s needs better. I found myself wondering about the sales tax change frequency for all these jurisdictions. I mean, 11,000 rows in a document might be manageable if they only changed their rates every few years or so, right?

So I sat down and with my trusty Excel spread sheet and a large cup of strong coffee and started going back through our research documentation counting the number of months that there had been any sales tax changes in each state. I wanted to determine which states had the highest sales tax change frequency. I sampled a three-year period from December 2015 going back through January 2013.

… fully one-third of the time that these states CAN make sales or use tax rate changes, they DO.

When the numbers were crunched I had some surprises in store, to be sure. For one, the states that provide Zip2Tax with the most new customers have no obvious correlation with which states had the highest sales tax change frequency. In fact, California and New York were only slightly above average.

The standout in this sample was Alabama which turned out to be far and away the leader with changes in 30 out of the 36 months – that’s 83% of the time. This also helped to dash my hopes of discovering a hotbed of customer need for our product since Alabama has so far not proven to be a great source of new business.
sales tax change frequency

Arizona came in second with 14 changes over that same period. Georgia, Louisiana, Oklahoma and Texas all tie for third place with 13 sales tax rate changes over 36 months. That translates to mean that fully one-third of the time that these states CAN make sales or use tax rate changes, they DO. Not to overstate the obvious, but that is more frequently than quarterly updates.

… more than two-thirds, updated that tax a minimum of once a year, and by the end of 3 years, 86% of the states had made changes…

In fact, 68% of the states that collect a sales tax, that’s more than two-thirds, updated that tax a minimum of once a year, and by the end of 3 years, 86% of the states had made changes.

So as I drained the last of my cold coffee I felt some gratification in that even though sales tax will remain an extremely complex moving target in nearly all 50 states, at least it should mean a steady supply of customers for sales tax rate providers like Zip2Tax for the foreseeable future.

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New Year’s sales tax updates effective January 1, 2016

Sales tax updates: 19 states have sales and use tax rates which have changed in Zip2Tax products since December 2015. 

There are sales tax updates in Alabama, Arkansas, Arizona, Colorado, Florida, Georgia, Illinois, Kansas, Louisiana, Minnesota, Missouri, North Dakota, New Mexico, Nevada, Ohio, Oklahoma, South Dakota, Texas and Utah effective Jan. 1st.

In Alabama, tax rates changed for Rockford, Luverne and Waterloo.

In Arkansas, tax rates changed for Bald Knob, Brinkley, Gillham, Harrisburg, Viola and Crittenden County.

In Arizona, tax rates changed for Apache Junction, Phoenix and Prescott Valley.

In Colorado, tax rates changed for Bayfield, Bennett, Fraser, Lyons, Ouray, the Counties of Alamosa and Chaffee, Gunnison Valley RTA, Montezuma County Hospital District, Colorado Springs, Crested Butte and Greeley.

In Florida, tax rates changed for the Counties of Jackson, Walton, Hernando and Saint Johns.

In Georgia, tax rates changed for Hancock County.

In Illinois, tax rates changed for Morton Grove, Posen, Stickney, Bellwood, Bloomington, Herrin, Hopkins Park, Matteson, Shorewood and Cook County.

In Kansas, tax rates changed for Shawnee.

In Louisiana, tax rates changed for Folsom, Lake Charles and Merryville.

In Minnesota, tax rates changed for Rochester and the Counties of Otter Tail and Freeborn.

In Missouri, tax rates changed for Carthage, New Madrid County, Chillicothe, Holt County, Saline County and Aurora.

In North Dakota, tax rates changed for Alexander and Center.

In New Mexico, tax rates changed for Maxwell, Springer, De Baca County, Eddy County, Vaughn, Lincoln County, Mora County, Otero County, Jemez Springs, Farmington and Kirtland.

In Nevada, tax rates changed for Clark County.

In Ohio, tax rates changed for Portage County.

In Oklahoma, tax rates changed for Bartlesville, Gore, Hollis, Norman, Del City, Marshall County and Pittsburg County.

In South Dakota, tax rates changed for Astoria.

In Texas, tax rates changed for Corral City and Goliad.

In Utah, tax rates changed for Dutch John.

There were 13 states with ZIP code changes effective after December 2015 including California, Connecticut, Florida, Iowa, Indiana, Massachusetts, Michigan, Missouri, Montana, New Jersey, Oklahoma, Texas and West Virginia. A PDF document enumerating ZIP code additions and deletions can be made available upon request.

For December 2015 changes click here.  To see what States are the most guilty of constantly changing their tax rates visit this article.

Angel Downs, Zip2Tax's ead tax researcher

Angel Downs, Zip2Tax’s lead tax researcher

Sales taxes changed in four states for December 2015

Sales taxes changed in Zip2Tax products for four states since November

In Alabama, tax rates changed for Randolph County.

In Colorado, tax rates changed for Winter Park.

In Louisiana, tax rates changed for Lafayette Parish.

In New York, tax rates changed for Chautauqua County and Jefferson County.

There were 10 states with ZIP code changes effective after November 2015 including the District of Columbia, Florida, Georgia, Indiana, Massachusetts, Minnesota, Mississippi, New Jersey, Ohio and Texas. A PDF document enumerating ZIP code additions and deletions can be made available upon request.

For November’s changes click here.

Angel Downs, Zip2Tax's ead tax researcher

Angel Downs, Zip2Tax’s lead tax researcher

Four states greet November with sales tax changes

Four states greet November

Sales tax changes occurred in four states in Zip2Tax products since October 2015.

In Arizona, tax rates changed for Jerome, Sierra Vista and Mammoth.

In Tennessee, tax rates changed for Hardin County, Henry County and Dunlap.

In Wisconsin, tax rates changed for Brown County.

In Wyoming, tax rates changed for Converse County.

There were 28 states with ZIP code changes effective after October 2015 including Alabama, Arizona, California, Colorado, Connecticut, District of Columbia, Georgia, Illinois, Massachusetts, Maryland, Michigan, Minnesota, Missouri, North Carolina, Nebraska, New Jersey, Nevada, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Tennessee, Texas, Utah, Washington, Wisconsin and West Virginia. A PDF document enumerating ZIP code additions and deletions can be made available upon request.

For October’s changes click here.

Angel Downs, Zip2Tax's ead tax researcher

Angel Downs, Zip2Tax’s lead tax researcher

Sales tax rate changes for September 2015

sales tax rate changes

Sales tax rate changes for September include two states: Alabama and New York; along with Zip code changes in 12 states in Zip2Tax products since August 2015.

In Alabama, tax rates changed for Midway.

In New York, tax rates changed for Yonkers.

There were 12 states with ZIP code changes effective after August 2015 including Alaska, Arizona, DC, Florida, Illinois, Massachusetts, Michigan, North Carolina, North Dakota, Ohio, South Carolina and Virginia. A PDF document enumerating ZIP code additions and deletions can be made available upon request.

For August’s changes click here.

Angel Downs, Zip2Tax's ead tax researcher

Angel Downs, Zip2Tax’s lead tax researcher

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