The following is a list of county routes in Essex County in the U.S. state of New Jersey. For more information on the county route system in New Jersey as a whole, including its history, see County routes in New Jersey.
In addition to those listed below, the following 500-series county routes serve Essex County:[1]
| Route | Length (mi)[2] | Length (km) | From | Via | To | Notes |
|---|---|---|---|---|---|---|
| 2.66miles | Route 124 in Maplewood | Chancellor Avenue | Elizabeth Avenue in Newark | |||
| 2.23miles | CR 603 in Irvington | Lyons Avenue | Elizabeth Avenue in Newark | |||
| 3.72miles | Route 124 at the Maplewood/Irvington border | Springfield Avenue | CR 510 in Newark | |||
| 1.51miles | CR 604 at the Passaic County line in North Caldwell | Lindsley Road | CR 612 at the Passaic County line in Cedar Grove | |||
| 2.74miles | CR 603 in Irvington | Sanford Avenue | CR 508 in East Orange | |||
| 2.81miles | CR 527 in Millburn | Parsonage Hill Road | CR 607 in Livingston | |||
| 3.16miles | CR 607 at the Morris County line in Millburn | Passaic Avenue, Walnut Street | Route 10 in Livingston | |||
| 5.36miles | Route 124 in Millburn | Hobart Gap Road, White Oak Ridge Road, East Hobart Gap Road, West Hobart Gap Road | CR 607 in Livingston | |||
| 4.12miles | CR 510 in Livingston | Eisenhower Parkway | I-280 in Roseland | |||
| 0.25miles | CR 610 at the Morris County line in Livingston | Old Mt. Pleasant Avenue | Route 10 in Livingston | |||
| 6.63miles | CR 611 at the Morris County line in Roseland | Eagle Rock Avenue | Harrison Avenue in West Orange | |||
| 6.29miles | CR 611 in Roseland | Passaic Avenue, Two Bridges Road | Two Bridges Road at the Morris County line in Fairfield | |||
| 0.38miles | CR 613 in West Caldwell | Kirkpatrick Lane | CR 614 in West Caldwell | |||
| 1.42miles | Route 159 in Fairfield | Clinton Road | Fairfield Avenue in West Caldwell | |||
| 0.17miles | Route 159 in Fairfield | Brook Street | CR 614 in Fairfield | |||
| 3.51miles | US 46 in Fairfield | Fairfield Road, Little Falls Road | CR 631 in North Caldwell | |||
| 0.53miles | Route 23 in Cedar Grove | Stevens Avenue | CR 616 at the Passaic County line in Cedar Grove | |||
| 1.22miles | Route 23 in Cedar Grove | Little Falls Road | CR 617 at the Passaic County line in Cedar Grove | |||
| 1.29miles | CR 641 in Cedar Grove | Reservoir Drive, Normal Avenue | CR 621 in Montclair | |||
| 2.89miles | CR 619 at the Union County line in Irvington | Hillside Avenue, Mill Road, Stuyvesant Avenue | CR 510 in Newark | |||
| 1.02miles | Upper Mountain Avenue | CR 631 at the Passaic County line in Montclair | ||||
| 3.23miles | CR 506 in Montclair | Valley Road | CR 618 / CR 621 at the Passaic County line in Montclair | |||
| 1.01miles | CR 509 in Bloomfield | West Passaic Avenue, Darling Avenue | CR 622 at the Passaic County line in Bloomfield | |||
| 3.31miles | CR 506 in Montclair | Grove Street | CR 623 at the Passaic County line in Montclair | |||
| 1.24miles | Belleville/Nutley border | River Road | CR 624 at the Passaic County line in Nutley | |||
| 2.12miles | CR 626 in Fairfield | Hollywood Avenue | CR 615 in Fairfield | |||
| 2.53miles | Horseneck Road at the Morris County line in Fairfield | Horseneck Road | CR 615 in Fairfield | |||
| 0.54miles | US 46 in Fairfield | Plymouth Street | CR 626 in Fairfield | |||
| 0.75miles | CR 613 in Fairfield | West Greenbrook Road | CR 631 in North Caldwell | |||
| 0.59miles | CR 613 in Fairfield | Pier Lane | CR 615 in Fairfield | |||
| 1.17miles | CR 577 in Millburn | Millburn Avenue | Route 124 in Maplewood | |||
| 0.04miles | CR 630 in Millburn | Vauxhall Road | CR 630 at the Union County line in Millburn | |||
| 3.42miles | CR 506 in Caldwell | Central Avenue, Grandview Avenue | CR 615 / CR 631 at the Passaic County line in North Caldwell | |||
| 1.46miles | CR 613 in West Caldwell | Westville Avenue | CR 527 in Caldwell | |||
| 1.69miles | CR 527 in Essex Fells | Runnymede Road, Lane Avenue | CR 506 in West Caldwell | |||
| 1.82miles | Route 10 in Livingston | Laurel Avenue | CR 611 in West Orange | |||
| 1.59miles | CR 527 in Livingston | Shrewsbury Drive | ||||
| 4.88miles | CR 508 in West Orange | Pleasant Valley Way, Lakeside Avenue | CR 506 in Verona | |||
| 2.34miles | CR 506 in Verona | Fairview Avenue | Route 23 in Cedar Grove | |||
| 5.38miles | CR 638 at the Union County line in Maplewood | Valley Street, Scotland Road, High Street | CR 671 in Orange | |||
| 0.05miles | CR 638 in South Orange | Village Plaza | CR 510 in South Orange | |||
| 1.86miles | CR 506 in Verona | Grove Avenue | Route 23 in Cedar Grove | |||
| 1.46miles | CR 639 in Cedar Grove | West Bradford Avenue, East Bradford Avenue | Upper Mountain Avenue in Montclair | |||
| 2.04miles | Route 23 in Cedar Grove | Ridge Road | CR 641 at the Passaic County line in Cedar Grove | |||
| 0.37miles | CR 621 in Montclair | Hebron Road | CR 623 in Montclair | |||
| 0.67miles | CR 623 in Montclair | Alexander Avenue | CR 509 in Bloomfield | |||
| 0.8miles | CR 622 in Nutley | Kingsland Street | Route 7 in Nutley | |||
| 0.04miles | CR 644 in Nutley | Cathedral Avenue | Route 7 in Nutley | |||
| 3.84miles | CR 670 in Newark | Franklin Avenue | Route 7 in Nutley | |||
| 0.28miles | Route 7 in Nutley | Park Avenue | CR 624 in Nutley | |||
| 1.92miles | CR 672 in Belleville | Union Avenue | CR 648 in Nutley | |||
| 1.8miles | CR 652 in Nutley | Centre Street | Route 7 in Nutley | |||
| 5.3miles | Route 24 / CR 649 at the Union County line in Millburn | JFK Parkway, South Livingston Avenue | CR 527 in Livingston | |||
| 1.1miles | CR 622 in Bloomfield | High Street | CR 645 in Nutley | |||
| 0.62miles | CR 652 in Bloomfield | Hoover Avenue | Joralemon Street in Bloomfield | |||
| 0.1miles | CR 651 in Bloomfield | East Passaic Avenue | CR 652 in Bloomfield | |||
| 2.81miles | CR 506 in Bloomfield | JFK Drive, East Passaic Avenue | CR 622 in Bloomfield | |||
| 3.2miles | Orange Road in Glen Ridge | Ridgewood Avenue | CR 655 in Glen Ridge | |||
| 0.54miles | Highland Avenue in Glen Ridge | Bay Avenue | CR 509 in Glen Ridge | |||
| 2.3miles | CR 652 in Bloomfield | Watchung Avenue | Upper Mountain Avenue in Montclair | |||
| 1.31miles | CR 613 in Roseland | Harrison Avenue | CR 611 in Roseland | |||
| 3.88miles | CR 659 in West Orange | Park Avenue | CR 506 Spur in Newark | |||
| 1.67miles | CR 638 in Orange | Main Street | CR 611 in West Orange | |||
| 0.66miles | CR 577 in West Orange | Mount Pleasant Avenue | CR 659 in West Orange | |||
| 1.24miles | CR 609 in Livingston | Beaufort Avenue | CR 609 in Livingston | |||
| 0.11miles | CR 661 in Livingston | Old Beaufort Avenue | Dead end in Livingston | |||
| 0.73miles | CR 615 in Fairfield | New Dutch Lane | CR 613 in Fairfield | |||
| 0.12miles | CR 506 Spur in Bloomfield | Broad Street | CR 509 in Bloomfield | |||
| 0.07miles | CR 509 in Irvington | Coit Street | CR 602 in Irvington | |||
| 2.22miles | CR 510 in South Orange | Irvington Avenue, Clinton Avenue | CR 603 in Irvington | |||
| 2.12miles | CR 506 Spur in Newark | Broadway | Newark/Belleville border | |||
| 0.6miles | CR 669 in Montclair | Elm Street | CR 506 in Montclair | |||
| 1.09miles | East Orange/Montclair border | Orange Road | CR 668 in Montclair | |||
| 0.57miles | CR 509 in Bloomfield | Franklin Street | CR 645 in Newark | |||
| 0.4miles | CR 659 in West Orange | Washington Street | CR 638 in Orange | |||
| 0.61miles | CR 647 in Belleville | Mill Street | Main Street in Belleville | |||
| 0.03miles | Newark/Belleville border | Bridge Street | CR 672 in Belleville | |||
| 0.28miles | CR 506 in North Caldwell | Elm Road | CR 527 in Caldwell | |||
| 1.02miles | CR 508 in West Orange | Prospect Avenue | Route 10/CR 577 in West Orange | Signed as former designation of CR 577 Spur |