The Mountain Jews of United States

The Mountain Jews of United States, numbering approximately 10,000 people, are Unengaged and Unreached. They are described as a diaspora community of Russian Jews in the United States They are an Diaspora people, with Jewish as their ethnic/kinship group and are in the Jews people cluster of the Jewish Peoples. Their primary religion is Judaism. They primarily speak Judeo-Tat.

Photo by Google. (2026). Image generated by Gemini 3.1 Flash: Mountain Jew

Fast Facts:

Affinity Group: Jewish Peoples
Country: United States
People Cluster: Jews
Primary Language(s): Judeo-Tat (jdt)
Primary Religion(s): Judaism
Population: 10,000
Strategic Progress Index (SPI): Unengaged and Unreached
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Active CP Activity
People Group ID: PG050377
View on Joshua Project

Pray for the Mountain Jews 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.

Dig Deeper (Religion):

Primary Religion: Judaism
Religious Affiliation: Judaism

%
Judaism Adherents

Dig Deeper (Language):

Primary Language: Judeo-Tat
Language Family: Indo-European

60%
%
Judeo-Tat Speakers

Media Resources in Judeo-Tat:

Films:

Bible Resources in Judeo-Tat:

Or check out the Judeo-Tat bible at Bible.com

Linked from YouVersion

Explore Lostness and Next Steps

Unengaged and Unreached

Strategic Priority Index (SPI): Unengaged and Unreached (SPI: 0), 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): Frontier Unreached People Group, (LPI: 0), < 0.1% Evangelical.
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Active CP Activity (GSEC: 1), this people group is less than 2% evangelical, some evangelical resources are available, but there has been no active church planting among them within the past two years

Next steps for the Mountain Jews:
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 Mountain Jews 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 Mountain Jews:
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 Mountain Jews 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 Mountain Jews:
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 Mountain Jews of United States

In this is love, not that we have loved God but that he loved us and sent his Son to be the propitiation for our sins.
read1 John 4:10

Pray for those without the hope of Christ to understand the depth of God's love and the sacrifice He made for them.

Lead me in your truth and teach me, for you are the God of my salvation; for you I wait all the day long.
readPsalm 25:5

Pray that the gospel will advance and that God will lead people in His truth, bringing many to salvation.

I lift up my eyes to the hills. From where does my help come? My help comes from the LORD, who made heaven and earth.
readPsalm 121:1-2

Pray that as people place their faith in Christ and experience hardship, God will remind them that their help comes from the One who made heaven and earth and that He is powerful to meet their needs.

And Jesus answered him, “Blessed are you, Simon Bar-Jonah! For flesh and blood has not revealed this to you, but my Father who is in heaven."
readMatthew 16:17

Pray that God who is in heaven will place believers in the lives of people who need to encounter the gospel and that He will reveal to them the truth of what they hear.

Jew, Mountain Across Countries (ROP3 - 116827) 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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