Side-by-side comparison of mortgage costs, property taxes, closing costs, and homeowners insurance between Illinois and New Jersey. Updated for 2026.
Illinois wins 4 of 6 cost categories, making it the more affordable state for homebuyers overall. With a median home price of $270K and lower overall costs, Illinois offers meaningful savings compared to New Jersey. Both states offer first-time buyer programs — explore the state pages for full details.
Estimated PITI payments assuming 10% down, 6.5% rate, 30-year fixed mortgage with PMI.
Buying in Illinois saves you approximately $1,966/month ($23,592/year) compared to New Jersey, based on median home prices with identical loan terms.
Illinois offers meaningfully lower home prices than New Jersey, with median prices running 47% less ($235K difference). This gap translates to both a smaller loan and lower monthly payments. First-time buyers priced out of New Jersey may find Illinois far more accessible, particularly when combined with local down payment assistance programs.
Illinois has a moderate property tax advantage at 2.07% versus New Jersey's 2.47%. While the rate gap of 0.40% may seem small, it translates to an annual difference of approximately $6,885 when applied to each state's median home price. Over a typical homeownership period of 7-10 years, that adds up to $55K in savings.
Closing costs are a one-time but significant expense. New Jersey averages $10K in closing costs (2% of purchase price) while Illinois averages $5K (2%). Much of New Jersey's higher costs come from its 1% transfer tax, which adds $5K to the median home purchase. Budget for these upfront costs — they affect how much cash you need on hand at closing.
Both states offer down payment assistance for first-time buyers. Illinois's IHDA 1stHomeIllinois provides $7,500 forgivable loan, while New Jersey's NJHMFA DPA Program offers Up to $15,000 forgivable. These programs can significantly reduce your upfront costs and make homeownership accessible even if you haven't saved a full 20% down payment. Check eligibility requirements on each state's housing finance agency website — income limits and purchase price caps apply.
The bottom line: Illinois homes cost $235K less than New Jersey on average. That translates to roughly $1,966 less per month in total housing costs if you choose Illinois. For most buyers, this price gap is the single biggest factor — it affects your loan size, monthly payment, and how quickly you build equity.