American Church History: Reformed, Presbyterian, and Congregationalist Denominations

Associate Reformed Presbyterian Church: Founded in 1782, membership is estimated to be 29,317 in 281 congregations (2016). 

Christian Reformed Church in North America: Founded in 1857, membership is estimated to be around 150,00 across 792 congregations (2020).

Conservative Congressional Christian Conference: Founded in 1948, membership is around 51,112 in 312 congregations (2020).

Cumberland Presbyterian Church: Founded in 1810, membership is around 64,901 in 608 congregations (2020).

Cumberland Presbyterian Church in America: Founded in 1874, membership is estimated to be around 14,473 in 111 congregations (2020).

ECO: A Covenant Order of Evangelical Presbyterians: Founded in 2012, membership is estimated to be around 130,000 in 383 congregations (2024). 

Evangelical Association of Reformed and Congregational Churches: Founded in 1998, membership is amount is unknown but has 260 congregations (2024). 

Evangelical Presbyterian Church: Founded in 1981, membership is estimated to be around 122,000 across 625 congregations (2020).

Korean American Presbyterian Church: Founded in 1976, memberships is estimated to be around 55,000 in about 300 churches (2010).

National Association of Congressional Christian Churches: Founded in 1955, membership is estimated to be around 41,582 in 322 congregations (2020). 

Netherlands Reformed Congregations in North America: Founded in 1907, membership is estimated to be around 10,146 in 27 congregations (2012).

Orthodox Presbyterian Church: Founded in 1936, membership is estimated to be around 31,200 across 278 congregations (2015). 

Presbyterian Church in America: Founded in 1973, membership is estimated to be around 372,696 across 1,873 congregations (2020).

Presbyterian Church (USA): Founded in 1983, membership is estimated to be 1,491,775 across 8,851 congregations (2020).

Protestant Reformed Churches in America: Founded in 1926, membership is estimated to be 8,411 across 30 churches (2020).

Reformed Church in America: Founded in 1792, membership is estimated to be around 235,195 across 912 congregations (2020). 

Reformed Church in the United States: Founded in 1986, membership is estimated to be 3,550 across 47 congregations (2020).

Reformed Presbyterian Church of North America: Founded in 1809, membership is estimated to be around 7,035 across 88 congregations (2020).

United Church of Christ: Founded in 1957, membership is estimated to be 924,744 across 4,793 (2020). congregations (2020).

United Reformed Churches in North America: Founded in 1996, membership is estimated to be 15,541 across 88 congregations (2020).

There is no official bible for these denominations, but different churches may prefer one translation over another.