Pacific Junction is a city in Mills County, Iowa, United States.

All three were consolidated as part of the Chicago, Burlington and Quincy Railroad, today's BNSF.

After several rough and tumble years of growth Pacific Junction was incorporated in 1882.

The scene of violence during the Burlington Railroad Strike of 1888, PJ's population peaked during the early 20th century with just over 700 people.

On the early morning of December 3, 2021, two BNSF trains collided two locomotives and 16 cars derailed in Pacific Junction.

Following the failing of the Mills County levees on March 17, 2019, the city was flooded completely.

Following a federal buyout program and the demolition of damaged structures, most lots now lie empty.

The city government has struggled financially in the aftermath, and has experienced difficulty in providing services.

[8] According to the United States Census Bureau, the city has a total area of 0.76 square miles (1.97 km2), all land.

22.4% of all households were made up of individuals, and 10.7% had someone living alone who was 65 years of age or older.

18.9% of all households were made up of individuals, and 10.2% had someone living alone who was 65 years of age or older.