The baby name Haruko appears in baby name data for the United States from 1910 to 1935. It was most popular in 1919 with 76 babies given the name.
In the later years of this period, Haruko has become less common than it once was.
| Year | Count |
|---|---|
| 1910 | 10 |
| 1911 | 12 |
| 1912 | 20 |
| 1913 | 30 |
| 1914 | 26 |
| 1915 | 46 |
| 1916 | 38 |
| 1917 | 46 |
| 1918 | 56 |
| 1919 | 76 |
| 1920 | 38 |
| 1921 | 56 |
| 1922 | 50 |
| 1923 | 26 |
| 1924 | 40 |
| 1925 | 36 |
| 1926 | 54 |
| 1927 | 34 |
| 1928 | 16 |
| 1929 | 26 |
| 1930 | 16 |
| 1931 | 12 |
| 1932 | 16 |
| 1933 | 12 |
| 1935 | 10 |