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PEOPLE GROUP PROFILE

The Rumsen Ohlone of United States

The Rumsen Ohlone of United States, numbering approximately 2,000 people, are No Longer Unreached. They are one of eight tribal groups within the Ohlone (Costanoan) people of central California. and can also be known as Rumsien, San Carlos Costanoan, Carmeleno, Rumsen Ohlone. They are an Indigenous people, in the North American Indigenous people cluster of the North American Peoples affinity bloc. Their primary religion is Folk Catholicism. They primarily speak English.

Photo by Google. (2025). Image generated by Gemini 2.5 Flash: Rumsen

Fast Facts:

Affinity Group: American Peoples
Country: United States
People Cluster: North American Indigenous
Primary Language(s): English (eng)
Primary Religion(s): Folk Catholicism
Population: 2,000
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 5% or Greater but Less than 10% Evangelical
People Group ID: PG050638
View on Joshua Project

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Pray for the Rumsen Ohlone of United States

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Dig Deeper (Religion):

Primary Religion: Folk Catholicism
Religious Affiliation: Christianity

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Dig Deeper (Language):

Primary Language: English
Language Family:

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Next steps for the Rumsen Ohlone

The Rumsen Ohlone are Unengaged and Unreached, which means there are less than 2% evangelical Christian populations among which there are no known efforts focused on establishing self-sustaining churches consistent with evangelical faith and practice.

Begin signifcant prayer and fasting for this group
Send cross-cultural teams to discover and research this people group
Begin gospel seed sowing and church planting among this group

Next steps for the Rumsen Ohlone

The Rumsen Ohlone are Engaged yet Unreached, which means there are less than 2% evangelical Christian populations but there are sustained efforts at establishing self-sustaining churches consistent with evangelical faith and practice.

Continue prayer and fasting for this group
Continue gospel seed sowing and church planting among this group
Begin training up local leaders to lead and develop strategies to reach their own people

Next steps for the Rumsen Ohlone

The Rumsen Ohlone are No Longer Unreached, which means there are more than 2% evangelical Christian populations and there are churches consistent with evangelical faith and practice. There is still more to be done among them.

Empower local believers to begin praying for their own people
Continue gospel seed sowing and church planting among this group
Encourage local leaders to being leading church planting strategy and looking for Unreached and Unengaged groups nearby

Pray specifically for the Rumsen Ohlone of United States

Hear, O LORD, and be merciful to me! O LORD, be my helper!
readPsalm 30:10

Pray that people in the depths of despair and suffering and living outside of relationship with Christ will cry out to the Lord and find help, peace, and joy in Him.

No, I tell you; but unless you repent, you will all likewise perish.
readLuke 13:3

Pray that the lost will repent and believe the gospel, for without it, they will perish.

And God has appointed in the church first apostles, second prophets, third teachers, then miracles, then gifts of healing, helping, administrating, and various kinds of tongues.
read2 Corinthians 12:28

Pray that as people place their faith in Christ, they will grow in the spiritual gifts God has given them and use these gifts to glorify Him and build up the Church.

For God so loved the world, that he gave his only Son, that whoever believes in him should not perish but have eternal life.
readJohn 3:16

Pray that God will send and sustain believers to cross cultures and share the gospel with the lost. Ask that He will give them His heart for the lost and that many will believe in Him and not perish but have eternal life.

Rumsen (ROP3 - 117137) reported in the following countries:

To download a comprehensive people group list in spreadsheet form, visit our Research Data page.

Peoplegroups.org relies on updates from the field and other organizations for much of our data, so if you have any updates, please contact us. We use various international naming standards. For a list of these standards and fields, visit our Definitions page.

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