By Carla Astudillo | NJ Advance Media for NJ.com

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Methodology

When it comes to the gap between rich and poor, New Jersey's among the worst.

The state has the 13th highest income disparity in the nation, so while many towns boast big mansions and lots of wealthy residents, there's another important side to the coin.

Earlier this year, we looked into the wealthiest towns in every county in New Jersey using Census household median income data from 2011-2015. Now, let's take a look at the poorest town in each county.

In addition to comparing household median income, we also analyzed poverty rates since a low household median income is not always a sign of poverty, especially in areas where the cost of living is low.

A note about the data: Because these numbers are estimates, we eliminated towns with very small populations and very high margins of error like Teterboro and Victory Gardens. Still, some counties have high margins of error for most of their towns. We included those towns and will note the counties.

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21. Somerset: Bound Brook Borough

Median Household Income: $62,263

Poverty Rate: 10.7%

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20. Morris: Dover

Median Household Income: $60,822

Poverty Rate: 7.6%

Note: The town with the actual lowest median household income is Victory Gardens Borough with $39,811. However, because of its low population size and high margin of error, it was eliminated from the list.

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19. Gloucester: Woodbury City

Median Household Income: $51,922

Poverty Rate: 22%

Note: The town with the actual lowest median household income is Paulsboro Borough with $40,925. However, because of its low population size and high margin of error, it was eliminated from the list.

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18. Hunterdon: Flemington Borough

Median Household Income: $50,333

Poverty Rate: 17.5%

Note: The margin of errors for most towns in this county are very high.

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17. Burlington: Wrightstown Borough

Median Household Income: $46,625

Poverty Rate: 21.4%

Note: The margin of errors for most towns in this county are very high.

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16. Bergen: Garfield

Median Household Income: $45,469

Poverty Rate: 16.3%

Note: The town with the actual lowest median household income is Teterboro Borough with $33,068. However, because of its low population size and high margin of error, it was eliminated from the list.

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15. Warren: Phillipsburg Town

Median Household Income: $44,537

Poverty Rate: 19%

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14. Union: Plainfield

Median Household Income: $43,397

Poverty Rate: 23%

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13. Hudson: Union City

Median Household Income: $41,107

Poverty Rate: 24.9%

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12. Ocean: Lakewood Township

Median Household Income: $40,983

Poverty Rate: 32.1%

Note: The town with the actual lowest median household income is Seaside Heights Borough with $33,958. However, because of its low population size and high margin of error, it was eliminated from the list.

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11. Middlesex: New Brunswick

Median Household Income: $38,435

Poverty Rate: 34.7%

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10. Sussex: Sussex Borough

Median Household Income: $37,241

Poverty Rate: 19.2%

Note: The margin of errors for most towns in this county are very high.

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9. Cumberland: Bridgeton

Median Household Income: $36,208

Poverty Rate: 32%

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8. Mercer: Trenton

Median Household Income: $34,257

Poverty Rate: 28.3%

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7. Essex: Newark

Median Household Income: $33,139

Poverty Rate: 29.7%

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6. Monmouth: Asbury Park

Median Household Income: $32,755

Poverty Rate: 32%

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5. Passaic: Passaic City

Median Household Income: $31,832

Poverty Rate: 31.6%

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4. Cape May: Wildwood

Median Household Income: $27,067

Poverty Rate: 29.1%

Note: The margin of errors for most towns in this county are very high.

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3. Salem: Salem City

Median Household Income: $26,320

Poverty Rate: 39.6%

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2. Atlantic: Atlantic City

Median Household Income: $25,737

Poverty Rate: 36.9%

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1. Camden: Camden City

Median Household Income: $25,042

Poverty Rate: 39.9%

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Read more N.J. data stories