Monmouth Population: Ups & Downs
While Americans wait for tabulations from the 2010 Census, the Monmouth County Planning Board released population figures for county towns through the year 2009. During the period 2000-2009, the county’s population grew 7.7% or by nearly 48,000 people to just under 663,000 total residents.
The county municipalities with the biggest changes in population over the past decade were:
Gains:
- Upper Freehold + 67.7%
- Tinton Falls + 23.0%
- Manalapan + 22.4
- Millstone + 17.2%
- Marlboro + 15.2%
- Freehold Twp + 13.4
- Holmdel + 10.7%
- Englishtown + 9.8%
- Long Branch + 9.2%
- Howell + 8.3%
Loses:
- Sea Girt – 4.4%
- Shrewsbury Twp. – 3.2%
- Deal – 2.5%
- Roosevelt – 0.9%
- Allenhurst – 0.7 %
- Spring Lake Heights – 0.4%
- Spring Lake – 0.2%
- Interlaken 0.0%
- Loch Arbour 0.0%
100 Years Ago—In 1910, Monmouth County had a population of 94,724 residents. Long Branch (13,298) and Asbury Park (10,105) were the two largest towns then. Now it’s Middletown (70,062) and Howell (52,946).






