Mercer County, NJ Zip Codes
89 zip codes across 60 cities in Mercer County, NJ
About Mercer County
Mercer County, New Jersey (NJ) contains 89 unique zip codes spanning 60 cities and communities. Each zip code covers a different area within the county, with varying demographics, income levels, and housing markets.
Browse the complete list below to find detailed population, income, home values, cost of living, and climate data for any zip code in Mercer County.
Cities in Mercer County
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All Zip Codes in Mercer County, NJ
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Frequently Asked Questions
How many zip codes are in Mercer County, NJ?
Mercer County, NJ has 89 zip codes across 60 cities.
What cities are in Mercer County?
Cities in Mercer County include Aledo, Alexis, Athens, Beulah, Bluefield, Bramwell, Burgin, Burkettsville, Carlton, Celina, Clark, Clarks Mills, Coldwater, Cool Ridge, Cranbury, Farrell, Fort Recovery, Fredonia, Greenville, Grove City, Harrodsburg, Hazen, Hermitage, Hightstown, Hopewell, Jackson Center, Joy, Kegley, Keithsburg, Lashmeet, Lawrenceburg, Lerona, Little York, Maria Stein, Matherville, Matoaka, Mendon, Mercer, Montcalm, Montezuma, New Castle, New Windsor, Pennington, Preemption, Princeton, Rock, Rockford, Saint Henry, Sandy Lake, Sharon, Sheakleyville, Sherrard, Spanishburg, Stanton, Transfer, Trenton, Viola, Wheatland, Windsor, Zcta 458hh.
What state is Mercer County in?
Mercer County is located in New Jersey (NJ).
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.