County profile
883,335 residents · 2025 Census estimate
Latest available data
Reporting years differ because each source follows its own publication schedule.
Housing permits
Uses the 2024 Census population estimate.
Above the New Jersey value.
Permits are assigned to the issuing municipality and added to county totals.
Explore this measure →Municipal State Aid
Uses the 2025 Census population estimate.
Below the New Jersey value.
Aid is assigned to the municipality receiving the certified allocation.
Explore this measure →Unemployment
Below the New Jersey value.
Rates describe people in their county of residence.
Explore this measure →Transportation awards
Uses the 2025 Census population estimate.
Below the New Jersey value.
Awards are assigned to the government receiving them.
Explore this measure →Change over time
New Jersey figures use published source totals where available. Unemployment rates use labor-force counts. Local Aid totals include only awards assigned to counties.
Housing permits
| Year | Middlesex | New Jersey |
|---|---|---|
| 2014 | Not available | Not available |
| 2015 | Not available | Not available |
| 2016 | Not available | Not available |
| 2017 | Not available | Not available |
| 2018 | Not available | Not available |
| 2019 | Not available | Not available |
| 2020 | 2.8 | 2.9 |
| 2021 | 2.9 | 3.2 |
| 2022 | 2.0 | 3.4 |
| 2023 | 2.2 | 2.3 |
| 2024 | 3.8 | 2.8 |
Municipal State Aid
| Year | Middlesex | New Jersey |
|---|---|---|
| FY2019 | Not available | Not available |
| FY2020 | Not available | Not available |
| FY2021 | $137 | $156 |
| FY2022 | $137 | $156 |
| FY2023 | $144 | $164 |
| FY2024 | $150 | $171 |
| FY2025 | $136 | $154 |
| FY2026 | $135 | $153 |
| FY2027 | $135 | $153 |
Unemployment
| Year | Middlesex | New Jersey |
|---|---|---|
| 1990 | 4.5% | 5.1% |
| 1991 | 5.8% | 6.8% |
| 1992 | 7.7% | 8.5% |
| 1993 | 7.0% | 7.8% |
| 1994 | 5.8% | 6.8% |
| 1995 | 5.5% | 6.4% |
| 1996 | 5.1% | 6.1% |
| 1997 | 4.3% | 5.3% |
| 1998 | 3.7% | 4.6% |
| 1999 | 3.6% | 4.4% |
| 2000 | 3.3% | 3.7% |
| 2001 | 4.0% | 4.2% |
| 2002 | 5.6% | 5.8% |
| 2003 | 5.5% | 5.8% |
| 2004 | 4.6% | 4.9% |
| 2005 | 4.2% | 4.4% |
| 2006 | 4.4% | 4.7% |
| 2007 | 3.8% | 4.2% |
| 2008 | 5.0% | 5.4% |
| 2009 | 8.3% | 8.9% |
| 2010 | 9.1% | 9.7% |
| 2011 | 8.8% | 9.4% |
| 2012 | 8.7% | 9.4% |
| 2013 | 7.7% | 8.4% |
| 2014 | 6.0% | 6.7% |
| 2015 | 5.1% | 5.7% |
| 2016 | 4.6% | 4.9% |
| 2017 | 4.2% | 4.5% |
| 2018 | 3.7% | 4.0% |
| 2019 | 3.2% | 3.5% |
| 2020 | 8.8% | 9.5% |
| 2021 | 6.4% | 6.7% |
| 2022 | 3.7% | 3.9% |
| 2023 | 4.2% | 4.3% |
| 2024 | 4.6% | 4.6% |
| 2025 | 5.2% | 5.2% |
Transportation awards
| Year | Middlesex | New Jersey |
|---|---|---|
| FY2014 | Not available | Not available |
| FY2016 | Not available | Not available |
| FY2021 | $32 | $26 |
| FY2022 | $22 | $28 |
| FY2023 | $19 | $28 |
| FY2024 | $28 | $28 |
| FY2025 | $18 | $25 |
| FY2026 | $13 | $17 |
Transportation projects
An award does not confirm payment or project completion.
| Project | Recipient | Program | Amount |
|---|---|---|---|
| Louis Street Intersection Improvements | New Brunswick City | Municipal Aid | $802,122 |
| Ocean Boulevard Roadway Reconstruction - Phase 1 | Old Bridge Township | Municipal Aid | $799,221 |
| Barclay St., Lawrie St., and Hazel Ave. Improvement Project | Perth Amboy City | Municipal Aid | $712,084 |
| Improvements to Hermann Avenue, Poplar Street and Willow Street | Carteret Borough | Municipal Aid | $695,462 |
| Raritan Reach, Bordentown, and Conlogue - Roadway & Pedestrian | South Amboy City | Municipal Aid | $627,580 |
| Longfellow Drive Roadway Improvements | Woodbridge Township | Municipal Aid | $601,838 |