Sen. Cory Booker Cory Anthony BookerBipartisan praise pours in after Ginsburg's death DHS opens probe into allegations at Georgia ICE facility Democratic lawmakers call for an investigation into allegations of medical neglect at Georgia ICE facility MORE (D-N.J.), who announced his 2020 presidential bid earlier this month, is shoring up support in his home state with the endorsements of more than 50 other New Jersey Democrats.

New Jersey’s governor, lieutenant governor, senior senator, every Democratic member of the House, leaders of both state legislative chambers all four Democratic county executives, the Newark mayor and more are endorsing his campaign, Booker said in a statement.

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“I’m honored to have the endorsement of so many great New Jersey Democratic leaders -- people I've been proudly working alongside as a member of the Newark city council, as mayor, and as Senator. New Jerseyans are fortunate to have these Democratic leaders standing up for them, and I'm grateful to have their support on our campaign to reignite our country's sense of common purpose to build a more fair and just nation for everyone,” Booker said.

Gov. Phil Murphy (D) cast Booker as an effective alternative to President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE who would be able to unite the country.

“We need a president who will lift us up and bring us together, instead of knocking us down and sowing division. We need a president who runs to find solutions to the problems that others ignore. We need a president who recognizes the inherent value found in every corner of our country, in every American, and those who have come here for a better life. We need a president with bold vision and an even bolder optimism,” he said.

No other 2020 candidate in the crowded Democratic primary field has locked up so much support from their home-state delegation. The large field, which contains a diverse group of candidates across the ideological spectrum, has discouraged some politicians from issuing endorsements until the pack thins out more.

Other 2020 Democrats have garnered endorsements from home-state politicians, though not at such a large scale as Booker.

Sen. Bernie Sanders Bernie SandersButtigieg stands in as Pence for Harris's debate practice Bernie Sanders warns of 'nightmare scenario' if Trump refuses election results Harris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda MORE (I-Vt.) was endorsed by Sen. Patrick Leahy Patrick Joseph LeahyBattle over timing complicates Democratic shutdown strategy Hillicon Valley: Russia 'amplifying' concerns around mail-in voting to undermine election | Facebook and Twitter take steps to limit Trump remarks on voting | Facebook to block political ads ahead of election Top Democrats press Trump to sanction Russian individuals over 2020 election interference efforts MORE (D) and Rep. Peter Welch Peter Francis WelchShakespeare Theatre Company goes virtual for 'Will on the Hill...or Won't They?' Vermont Rep. Peter Welch easily wins primary Vermont has a chance to show how bipartisanship can tackle systemic racism MORE (D), though the state’s Republican governor withheld his approval.

Sens. Amy Klobuchar Amy KlobucharSocial media platforms put muscle into National Voter Registration Day Battle lines drawn on precedent in Supreme Court fight Sunday shows - Ruth Bader Ginsburg's death dominates MORE (D-Minn.), Elizabeth Warren Elizabeth WarrenHarris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda Judd Gregg: The Kamala threat — the Californiaization of America GOP set to release controversial Biden report MORE (D-Mass.) and Kamala Harris Kamala HarrisButtigieg stands in as Pence for Harris's debate practice First presidential debate to cover coronavirus, Supreme Court Harris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda MORE (D-Calif.) have all either gotten the endorsement of their respective state’s governor or fellow senator, but have so far been unable to lock down the support of their state’s entire Democratic congressional delegation.