JTA: This map shows the 20 congressional districts with the most Jews

September 10, 2020

About one-third of American Jews live in just 20 of the country’s congressional districts. Nearly half of those districts are in New York, and all but one of them is represented by a Democrat.

Meanwhile, the district with the most Jews in the country is also the site of Mar-a-Lago, President Donald Trump’s Florida estate.

Those are among the findings from a  recent study  analyzing Jewish voting patterns. Key findings from the study, which was conducted by the Jewish Electorate Institute and the Steinhardt Social Research Institute at Brandeis University, were published online Aug. 25.

The study, like previous others, found that Jewish voters are more Democratic and politically liberal than the country at large. It also found, similar to earlier research, that Jewish voters tend to be older than average.

What’s new here is that the researchers were able to identify not only how Jews vote but where they cast their ballots. The study found that the majority of Jewish adults live in four states — New York, California, Florida and New Jersey.

“In all of the so-called battleground states, not only Florida but places like Pennsylvania and Ohio and Michigan, those are states where if something similar to 2016 happens in 2020, Jews are large enough in number in those states where they could make a difference,” said Leonard Saxe, director of the Steinhardt Social Research Institute.

Approximately one-third of Jewish adults, about 1.8 million, are concentrated in just 20 congressional districts among the 435 across the United States.

The district with the most Jewish voters, Florida’s 21st, is drawing a lot of attention this year for its race between two Jewish candidates, the Democratic incumbent Rep. Lois Frankel and Laura Loomer, an anti-Islam provocateur who  won the Republican nomination  and  Trump’s endorsement. Loomer released an  ad this week that used Holocaust imagery  and Yiddish to attack Frankel as an opponent of Jewish interests.

The district covers southeastern Florida cities such as Palm Beach, Boynton Beach and Delray Beach, and includes 152,000 Jewish adults, according to the study. In total, the district has about  524,000 registered voters. According to the study, the district is 24.3% Jewish, and more than half of those Jewish adults are older than 65.

The two adjacent districts down the South Florida coast, the 22nd and 23rd, also crack the top 20 for Jewish voters. Both are also represented by Jewish Democrats: Reps. Ted Deutch and Debbie Wasserman-Schultz, respectively.

Most of the other districts in the Jewish top 20 are in New York and New Jersey, including seven in New York City and two on suburban Long Island. The second-largest Jewish district overall, New York’s 10th on the Upper West Side of Manhattan, has 151,000 Jewish adults and is represented by longtime congressman Jerry Nadler, a Jewish Democrat. The other New York City districts cover large swaths of Manhattan, Brooklyn, Queens and Staten Island.

The lone district on the list represented by a Republican, Rep. Chris Smith, is New Jersey’s 4th, which includes the heavily Orthodox city of Lakewood. That district is about 10% Jewish, with 51,000 Jewish adults, according to the study.

The rest of the top 20 districts are in Los Angeles County and the suburbs of Chicago, Philadelphia, Baltimore and Boston.

Overall, eight of the top 20 Jewish districts are represented by Jews. Saxe said the list of the most Jewish districts is a key data point ahead of the 2020 census, which will likely lead to congressional redistricting.

“The concentration of Jews and whether that concentration is allowed to continue, whether it’s not, will be an important issue,” he said. “In those districts where Jews are 10% or more of the population, they’re also a very significant force in choosing members of Congress.”

April 15, 2026
U.S. JEWS VOTING DEM IN CONGRESS MIDTERMS YET QUESTION WHAT PARTY STANDS FOR, ESP. ON ISRAEL JEWISH R ’ s MOST ID ’ d AS PRO-ISRAEL, NEW POLL SHOWS United in Support of Israel ’ s Right to Exist as Jewish Homeland But Mixed Concepts of Zionism Jews see too much Israel criticism playing into antisemitism While most Jews feel too many Israel supporters use antisemitism claims to avoid legitimate policy debate WASHINGTON – The latest Jewish Electorate Institute (JEI) poll shows American Jews are voting heavily Democratic in the midterm election for Congress. At the same time, Jews have questions about what the Democratic Party stands for, particularly on Israel. Jewish Republicans, on the other hand, are most identified as being pro-Israel, which is also one of their biggest image advantages over Democrats. Meanwhile, amid debates in the Jewish community over Israel, war in Iran and election politics, American Jews are united in support of Israel’s right to exist as a Jewish state and homeland for the Jewish people. However, there are mixed signals over the concept of Zionism, with the majority seeing Zionism favorably, but only a third calling themselves Zionists. There is also concern about how antisemitism is becoming a part of the increasingly heated discussions over U.S.-Israel issues, by both sides. A large majority of U.S. Jews see too many critics of Israel using language about Jews that play into antisemitism, whether intended or not. At the same time, a majority of Jews feel too many supporters of Israel use claims of antisemitism to avoid legitimate debate over policy. These analyses are based on the final release of the findings of a national survey of 800 Jewish registered voters, with an oversample to yield 600 Jewish women. The survey was conducted for JEI by The Mellman Group using a high-quality online national panel from March 13-23, 2026. The margin of error for the sample as a whole is +/- 3.5% at the 95% level of confidence (higher for subgroups). Previous JEI analyses and releases centered on U.S. Jews’ pro-Israel identity and their criticism of the government, support for pro-Israel spending in the primaries and the popularity of AIPAC, DMFI and J Street. Also, on what American Jews would likely discuss at the Passover seder tables.
April 15, 2026
Jewish Voters Highly Engaged, Prioritize Domestic Issues; Strong Support for Israel and Caution on Military Action and Advocacy This recent March 2026 national survey finds that American Jewish adults overwhelmingly affirm Israel’s right to exist while also expressing caution about the current U.S. military escalation in Iran. Views on pro-Israel political spending, however, remain mixed. AIPAC has an overall favorable impression of 39%, DMFI 32%, and J Street 18%. Some key findings also include the following: Turnout and partisanship: Registered respondents report their very high intention to turn out for the November 2026 midterm elections. About seven in ten identify as Democrats (many strongly), roughly one in four compared to Republicans, with the remainder being made up of Independents. Democrats hold a substantial advantage in hypothetical congressional votes in respondents’ districts. Donald Trump receives broad net disapproval, and Benjamin Netanyahu is viewed unfavorably by more respondents than favorably. Israel and Zionism: There are mixed signals over the concept of Zionism, with the majority seeing Zionism favorably, but only a third calling themselves Zionists. Roughly seven in ten hold a favorable view of Israel; 87% endorse Israel’s right to exist as a Jewish homeland. Most see Zionism as Jewish self‑determination, though only a third self‑identify as Zionist. A surprisingly large number are unsure about the definition of Zionism. Foreign policy and military action: A majority of respondents oppose current U.S. military action against Iran and say the president should have sought congressional approval for strikes. Many prioritize preventing Iran from obtaining nuclear weapons but favor clear objectives and oversight over unilateral escalation. 2026 Midterm Elections & Party Affiliations: American Jews are voting heavily Democratic in the midterm election for Congress. At the same time, Jews have questions about what the Democratic Party stands for, particularly on Israel. Jewish Republicans are most identified as pro-Israel, which is one of their biggest image advantages over Democrats. Pro‑Israel advocacy and spending: Opinions are split on outside groups spending in primaries—about a third support such spending, a third oppose it, and many are undecided. Respondents are nearly evenly divided on whether aggressive outside intervention helps or harms U.S.–Israel relations. Antisemitism and public debate: A large majority say some criticism of Israel slips into antisemitic tropes, and a significant share also believes some defenders wrongly label policy criticism as antisemitism. There is also concern about how antisemitism is becoming a part of the increasingly heated discussions over U.S.-Israel issues, by both sides. A large majority of U.S. Jews see too many critics of Israel using language about Jews that plays into antisemitism, whether intended or not. At the same time, a majority of Jews feel too many supporters of Israel use claims of antisemitism to avoid legitimate debate over policy. Domestic Issues are Important: Democrats are viewed positively on healthcare, abortion rights, fair elections, and middle class advocacy, while Republicans are viewed as pro-Israel but excessively conservative and unwilling to oppose the President. The sample of respondents: The current distribution of Jewish voters by party affiliation: 69% Democratic, 24% Republican, and 7% Independent. Poll respondents are mixed gender, highly educated, and religiously plural within Judaism (Reform and unaffiliated are the largest). About one‑third belong to a synagogue, but religious practice varies. Jewish women Voters: There are more female Democrats likely to hold reinforcing views, contributing to the party's electoral advantage, thereby fueling the midterm margin. The partisan divide is even larger among women. Nearly three-quarters (74%) of Jewish women identify as Democrats, including 50% who are strong Democrats, and 24% who identify as Democratic Socialists. Likely Jewish women voters are supporting the Democrats in the generic vote: 78% Democratic, 19% Republican, and only 3% undecided. The Democratic vote margin increases significantly with age among Jewish women. Women ages 18-29 vote +46 Democratic, rising to +60 among those 40–59 and +58 among those 60 and older. These margins exceed those of the overall Jewish electorate, where voters ages 40–59 and 60+ both register a +48 Democratic advantage. The strength of Jewish identity also follows a consistent pattern. Among women who place lower importance on being Jewish, the Democratic advantage is +74, compared to +61 among the overall electorate. Among those who place higher importance on being Jewish, Jewish women still lean more Democratic than the overall electorate, at +41 versus +36. Jewish women are also more likely to disapprove of Trump’s job performance and the current U.S. military action against Iran. They are four points more likely than the overall electorate to disapprove of Trump’s job performance (77% vs. 73%) and the U.S. military action in Iran (59% vs. 55%). Jewish voters combine strong civic engagement and a clear Democratic preference with nuanced views that favor protecting Israel while insisting on democratic oversight, strategic clarity, and careful political tactics. Well-positioned issues that resonate for candidates and organizations in the upcoming 2026 midterm elections include emphasizing support for Israel alongside respect for congressional authority, clear policy goals, and sensitive messaging on antisemitism. "This poll reinforces a simple truth that the Jewish community is not monolithic, and the Jewish vote should not be taken for granted. Their concerns extend beyond Israel and Iran. It also indicates a critical need for education about Israel's history and the meaning of Zionism. These needs have never been more urgent than they are today," said Barbara Goldberg Goldman, JEI Chair. These analyses are based on the final release of the findings of a national survey of 800 Jewish registered voters, with an oversample to yield 600 Jewish women. The survey was conducted for JEI by The Mellman Group using a high-quality online national panel from March 13-23, 2026. The margin of error for the sample as a whole is +/- 3.5% at the 95% level of confidence (higher for subgroups).
April 14, 2026
The survey was released one week after another conducted by the Mellman Group and commissioned by the Jewish Electorate Institute found that a majority of American Jews have “not heard much” about the role that pro-Israel lobbying groups have played in this year’s early midterm primaries.  The poll, which surveyed 800 registered Jewish voters March 13-23, found that just 11% of American Jews had heard a “great deal” about “the role pro-Israel groups have played in the early 2026 primaries,” while 27% said they’d heard “some” about it. Meanwhile, 62% said they’d either heard “not much,” “none at all” or that they don’t know.