Popular vote generator counties are where the candidate won more number of votes than opponent in the election.   For example, the top city where Hillary Clinton in Los Angeles,  California received 2,464,364 votes over Donald Trumps 769,743 votes. She won the county by 1,694,621 votes which is 39% vote advantage margin in this top 5 States comparison.  The top city for Donald Trump was, Montgomery, Texas where he received 150,314 over Hillary Clinton's 45,835. He won the county by 104,479 votes which is a 26% vote advantage margin in this top 5 States comparison.  Comparing the winning margin for just the top county for each, Hillary Clinton has a popular vote lead of 1,590,142‬.

                                                                                                                                           

HILLARY CLINTON 2016 TOP 5 VOTE GENERATOR COUNTY

State

County

Rank

Votes For

Votes Against

Vote Difference

Percent For

Percent Against

Percent Difference

California

Los Angeles

1

 2,464,364

 769,743

1,694,621

76%

24%

39%

Illinois

Cook

2

1,611,946

453,287

1,158,659

78%

22%

27%

New York

New York

(Manhattan)

3

579,013

64,929

514,084

90%

10%

12%

Washington

King

4

718,322

216,339

501,983

77%

23%

11%

New York

Kings

(Brooklyn)

5

640,553

141,044

99,509

82%

18%

11%

Hillary's Top 5 Counties Vote Margin Totals:

4,368,856

The top 5 counties out of these 4 States: California, Illinois, New York and Washington gave Hillary Clinton a 4.3 Million popular vote margin.  

                                                                                                                                             

DONALD TRUMP 2016 TOP 5 VOTE GENERATOR COUNTY

State

County

Rank

Votes For

Votes Against

Vote Difference

Percent For

Percent Against

Percent Difference

Texas

Montgomery

1

150,314

45,835

104,479

77%

23%

26%

New Jersey

Ocean

2

179,079

87,150

91,929

67%

33%

23%

Utah

Utah

3

102,182

28,522

73,660

78%

22%

18%

Colorado

El Paso

4

179,228

108,010

71,218

62%

38%

17%

Florida

Lee

5

191,551

124,908

66,643)

61%

39%

16%

Trump's Top 5 Counties Vote Margin Totals:

407,929

Donald Trump's top 5 county margin only produced 407K vote advantage. With the 3.9 Million vote difference, he has to make up in the remaining 46 states with an average win margin of 86K votes if he won all the remaining votes. Or he would have to get am average win margin of 132K in each of the 30 states that he carried by votes.

Related References: Donald Trump Top 50 Counties,  Hillary Clinton Top 50 Counties