Number of Irish People in the United States

In this article, we will explore the demographic data of Irish people in the United States, and look at historical data to see whether the Irish population is growing or declining.

First, let's take a look at the population of Irish people in the United States for the last 5 years.

Total U.S. Irish Population

Population Year
8,204,334 2019
8,570,146 2018
8,894,566 2017
9,178,326 2016
9,438,313 2015

The table above shows that between 2015 and 2019 the total Irish population has decreased by 1,233,979 people.

If this growth were to continue at the same rate, the total population of Irish people by 2023 could be 9,438,313.

Total U.S. Irish Population By State

We can also look at the data for Irish people in each individual state and whether the Irish population increased or decreased between 2015 and 2019.

For more details on the historical population figures for each state, click the link in the table below.

State 2015 2019 Change (%)
Alabama 170,618 144,603 -15.25%
Alaska 19,458 14,388 -26.06%
Arizona 167,557 148,629 -11.30%
Arkansas 105,705 83,355 -21.14%
California 617,461 531,113 -13.98%
Colorado 154,993 139,015 -10.31%
Connecticut 146,182 132,819 -9.14%
Delaware 45,661 38,186 -16.37%
District of Columbia 12,167 10,712 -11.96%
Florida 558,015 499,918 -10.41%
Georgia 281,699 252,941 -10.21%
Hawaii 13,627 11,135 -18.29%
Idaho 38,502 39,622 2.91%
Illinois 394,312 349,307 -11.41%
Indiana 220,808 192,605 -12.77%
Iowa 106,348 97,840 -8.00%
Kansas 90,781 78,101 -13.97%
Kentucky 195,561 174,920 -10.55%
Louisiana 103,732 90,508 -12.75%
Maine 72,635 63,322 -12.82%
Maryland 173,815 147,396 -15.20%
Massachusetts 501,708 445,748 -11.15%
Michigan 245,181 215,599 -12.07%
Minnesota 102,961 89,800 -12.78%
Mississippi 109,542 82,549 -24.64%
Missouri 202,151 186,255 -7.86%
Montana 40,731 37,039 -9.06%
Nebraska 53,226 45,288 -14.91%
Nevada 69,121 64,769 -6.30%
New Hampshire 79,218 71,702 -9.49%
New Jersey 339,888 287,835 -15.31%
New Mexico 39,401 31,878 -19.09%
New York 681,407 576,293 -15.43%
North Carolina 300,335 258,458 -13.94%
North Dakota 9,553 9,605 0.54%
Ohio 391,062 340,212 -13.00%
Oklahoma 132,173 111,652 -15.53%
Oregon 113,829 98,307 -13.64%
Pennsylvania 556,034 467,825 -15.86%
Puerto Rico 321 213 -33.64%
Rhode Island 57,892 50,084 -13.49%
South Carolina 176,666 149,652 -15.29%
South Dakota 20,696 17,291 -16.45%
Tennessee 255,408 208,512 -18.36%
Texas 545,739 481,515 -11.77%
Utah 42,411 37,297 -12.06%
Vermont 31,228 27,165 -13.01%
Virginia 244,610 212,996 -12.92%
Washington 182,530 160,876 -11.86%
West Virginia 89,847 78,122 -13.05%
Wisconsin 117,100 104,974 -10.36%
Wyoming 17,028 14,601 -14.25%

Data Source(s)

All of the data on this page is sourced from the latest American Community Survey (ACS) 5-year estimates, from the United States Census Bureau. The latest year for the ACS is currently 2019.

Link To or Reference This Page

We spent a lot of time downloading, cleaning, merging, and formatting the data that is shown on the site.

If you found the data or information on this page useful in your research, please use the tool below to properly cite or reference Name Census as the source. We appreciate your support!

  • "Number of Irish People in the United States". NameCensus.com. Accessed on December 3, 2021. http://namecensus.com/ancestry/irish/.

  • "Number of Irish People in the United States". NameCensus.com, http://namecensus.com/ancestry/irish/. Accessed 3 December, 2021

  • Number of Irish People in the United States. NameCensus.com. Retrieved from http://namecensus.com/ancestry/irish/.