Median Fourplex Cost: $1,499,000

Population: 7,765,630

Median Fourplex Cost: $1,290,000

Population: 3,898,747

Median Fourplex Cost: $1,500,000

Population: 1,386,932

Median Fourplex Cost: $1,898,000

Population: 1,013,240

Median Fourplex Cost: $2,097,500

Population: 873,965

Median Fourplex Cost: $695,000

Population: 542,107

Median Fourplex Cost: $899,900

Population: 524,943

Median Fourplex Cost: $1,475,000

Population: 466,742

Median Fourplex Cost: $949,000

Population: 440,646

Median Fourplex Cost: $602,500

Population: 403,455

Median Fourplex Cost: $1,745,000

Population: 346,824

Median Fourplex Cost: $580,000

Population: 320,804

Median Fourplex Cost: $1,180,000

Population: 314,998

Median Fourplex Cost: $1,389,999.5

Population: 310,227

Median Fourplex Cost: --

Population: 307,670

Median Fourplex Cost: $1,397,499

Population: 275,487

Median Fourplex Cost: $2,874,750

Population: 230,504

Median Fourplex Cost: $998,000

Population: 228,673