Mercer County · New Jersey
ZIP code 08691
- Population
- 16,924
- Median income
- $129,900
- Median home
- $523,500
- Sales tax
- 6.625%
ZCTA residents
Household, past 12 months
Owner-occupied value
New Jersey state rate
Quick answer
ZIP 08691 sits in Mercer County, New Jersey and is home to 16,924 people. Median household income is $129,900, the median home is worth $523,500 and median gross rent is $1,845. 76.5% of households own their home, and purchases are taxed at 6.625% (New Jersey state rate).
- County
- Mercer County
- State
- New Jersey (NJ)
- Area codes
- Not published
- Metro area
- Outside covered metros
FIPS 34021
598 ZIPs covered
No NANPA match for this ZIP
Rate jurisdiction used for tax
The numbers for 08691
American Community Survey 2019-2023 ACS 5-year estimates for this ZCTA.
- Population
- 16,924ZIP 08691 residents
- Median household income
- $129,900Past 12 months, inflation adjusted
- Median home value
- $523,500Owner-occupied units
- Median gross rent
- $1,845Rent plus utilities, monthly
- Median age
- 45.1 yrsAll residents
- Homeownership rate
- 76.5%Owner-occupied households
Sales tax in 08691
What a purchase inside this ZIP costs at checkout.
New Jersey levies 6.625% statewide with no local add-ons. Check the county page for the local component before you quote a price.
Affordability in this ZIP
Derived from the Census medians above — indicative, not an offer.
A rent burden above 30% is the federal threshold for cost-burdened households, and a price-to-income multiple above 4× is generally considered a stretched housing market. The mortgage figure is principal and interest only — taxes, insurance and HOA dues are extra.
How 08691 compares
ZIP 08691 against the median ZIP in Mercer County and across New Jersey.
| Measure | ZIP 08691 | County median | State median | vs state |
|---|---|---|---|---|
| Median household income | $129,900 | $108,732 | $109,182 | +19% |
| Median home value | $523,500 | $362,250 | $423,950 | +23% |
| Median gross rent | $1,845 | $1,604 | $1,718 | +7% |
| Population | 16,924 | 15,049 | 10,128 | +67% |
Medians are computed across the 22 ZIP areas in Mercer County and the 598 ZIP areas in New Jersey.
Statewide rank
Where this ZIP places among all 598 New Jersey ZIP areas.
- Income
- #176
- Home value
- #179
- Population
- #206
richer than 69% of 563 state ZIPs
above 68% of 562 state ZIPs
larger than 66% of 598 state ZIPs
Comparable ZIP codes
New Jersey ZIP areas with almost the same household income.
Nearby ZIP codes
Other ZIP codes filed under Mercer County.
ZIP 08691 questions
Common questions about this ZIP code.
- Where is ZIP code 08691?
- ZIP 08691 lies mostly in Mercer County, New Jersey. County assignment follows the largest share of land area, so a ZIP straddling a county line is filed under its dominant county.
- What sales tax do I pay in 08691?
- New Jersey charges 6.625% statewide.
- Is 08691 expensive to live in?
- Median rent runs $1,845 a month, about 17% of median household income, and the median home is worth $523,500 — +23% against the typical New Jersey ZIP.
- Is a ZCTA the same as a postal ZIP code?
- Not exactly. The Census builds ZIP Code Tabulation Areas from the ZIP codes of addresses inside each census block, so a ZCTA can differ slightly from the USPS delivery route of the same number, and PO-box-only ZIPs have no ZCTA at all.
Keep going
Related pages for this area.
Sources & transparency
- US Census Bureau, ACS 2019-2023 5-year estimates — 2019-2023 ACS 5-year — population, income, housing
- Census 2020 ZCTA-to-county relationship file — County assignment by largest land-area overlap
- New Jersey Division of Taxation — Sales tax rates and local add-ons
Last reviewed December 2024. Figures are published for reference and can change; verify with the source agency before filing or contracting. How we build and check this data.