He removed to Delaware County, New York, in 1817. He studied law, was admitted to the bar, and commenced practice in Delhi, New York. He was District Attorney of Delaware County from 1825 to 1833. He was one of the publishers of the Delaware Gazette.
Johnson was elected as a Jacksonian to the 23rd United States Congress, holding office from March 4, 1833, to March 3, 1835. He was a member of the New York Senate (3rd D.) from 1837 until his death, sitting in the 60th, 61st and 62nd New York State Legislatures.
He was buried at the Old Delhi Cemetery, Delhi, New York.
State Senator Stephen C. Johnson was his brother.
- United States Congress. "Noadiah Johnson (id: J000164)". Biographical Directory of the United States Congress.
- The American Biographical Sketch Book by William Hunt (1849; pg. 219)
|U.S. House of Representatives|
| Member of the U.S. House of Representatives
from New York's 20th congressional district
|New York State Senate|
| New York State Senate
Third District (Class 2)