The namesake road runs from Claudelands Bridge north to Pukete Bridge[3] and beyond, to Ngāruawāhia,[4] but the main part of the suburb is between Boundary Road and Donny Park.

[6] A walking path runs along the river bank, but it does not cover the entire length of the area.

[7] Miropiko statistical area, which corresponds to River Road, covers 2.08 km2 (0.80 sq mi)[1] and had an estimated population of 3,390 as of June 2024,[2] with a population density of 1,630 people per km2.

The percentage of people born overseas was 20.2, compared with 27.1% nationally.

Although some people chose not to answer the census's question about religious affiliation, 46.5% had no religion, 43.0% were Christian, 0.8% had Māori religious beliefs, 1.1% were Hindu, 0.5% were Muslim, 0.8% were Buddhist and 1.9% had other religions.