Download the People Group List (16 languages .csv)

Amharic - አማርኛ | Arabic - عربي
Bengali - বাংলা | Chinese (Simplified) - 中文（简体）
Chinese (Traditional) - 中文（繁體) | French - Français
German - Deutsch | Gujarati - ગુજરાતી
Hindi - हिन्दी | Indonesian - Bahasa Indonesia
Korean - 한국어 | Nepali - नेपाली
Portugese - Português | Russian - Русский
Spanish - Espanol | Tagalong / Filipino
Be sure to use the data import function in your favorite app for working with data.
If you'd like to help improve these translations, Contact Us.

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. They are also 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 language is English and their primary religion is Folk Catholicism.

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

Fast Facts:

Affinity Group: North 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

Print Profile
Submit Updates

Pray for the Rumsen Ohlone of United States

Join others around the world in praying for the lost to be saved, the gospel to advance, the global Church to grow, and for laborers to be sent out and sustained in the harvest.

Pray Now!
Download Prayer Guide

Dig Deeper (Religion):

Primary Religion: Folk Catholicism
Religious Affiliation: Christianity

60%
%

Dig Deeper (Language):

Primary Language: English
Language Family:

100%
%

Media Resources in English:

Films:

No language code (ROL) found for this post.

Provided by the Jesus Film Project

View all resources

Bible Resources in English:

The filter value is not set for this post.

Provided by Faith Comes by Hearing

Or check out the English bible at Bible.com

Linked from YouVersion

View all resources

Explore Lostness and Next Steps

Unengaged and Unreached

Strategic Priority Index (SPI): Unengaged and Unreached (SPI: 2), 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.
Lostness Priority Index (LPI): Moderately Reached People Group, (LPI: 5), 6% to 20% Evangelical.
Global Status of Evangelical Christianity (GSEC): 5% or Greater but Less than 10% Evangelical (GSEC: 5), this people group is greater than or equal to 5% evangelical

Next steps for the Rumsen Ohlone:
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

SPI: Unreached yet Engaged

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.

Next steps for the Rumsen Ohlone:
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

SPI: No longer Unreached

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.

Next steps for the Rumsen Ohlone:
Empower local believers to begin praying for their own people
Continue gospel seed sowing and church planting
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

But with you there is forgiveness, that you may be feared.
readPsalm 130:4

Pray that God will bring those who have hard hearts to repentance and trust in Christ for the forgiveness of their sins.

If I ascend to heaven, you are there. If I make my bed in Sheol, you are there!
readPsalm 139:8

Pray that the lost will recognize God's presence with them wherever they go, put their faith in Christ, and seek to live in a way that honors and glorifies Him.

Your word is a lamp to my feet and a light to my path.
readPsalm 119:105

Pray that as people place their faith in Christ, they will meditate daily on the Word of God so that, through it, they might have wisdom for the big and small decisions they face every day.

Go your way; behold, I am sending you out as lambs in the midst of wolves.
readLuke 10:3

Ask God to raise up and send humble believers who will depend on Him as they go out like lambs among wolves to share the good news with those who need to hear it.

Rumsen Across Countries (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.

Scroll to Top