Overall
- Decatur
- 88.4
Diff -10.4 RPP
Atlantic City-Hammonton vs Decatur
Cost of living comparison based on BEA Regional Price Parities. Decatur is 10.6% less expensive than Atlantic City-Hammonton.
10.6% less expensive
Decatur, IL is 10.6% less expensive than Atlantic City-Hammonton, NJ on BEA Regional Price Parities (overall RPP 88.4 vs 98.9). A $100,000 salary in Atlantic City-Hammonton buys about the same as $89,444 in Decatur; the largest component gap is rents.
- Overall RPP 98.9 (Atlantic City-Hammonton) vs 88.4 (Decatur)
- $100k in Atlantic City-Hammonton ≈ $89,444 purchasing power in Decatur
- Rents drives the gap (-42.5 RPP points)
RPP parity plate
Pair NJ:IL 98.9→88.4
TIER-GAP · CROSS-STATE · RENT-LED · BOTH-BELOW · PP-SHIFT
- TIER-GAP Clear tier gap
- CROSS-STATE NJ × IL
- RENT-LED Rent-led gap
- BOTH-BELOW Both below 100
- PP-SHIFT PP shift
Instrument codes from this pair's BEA Regional Price Parities (overall · goods · services · rents · national benchmark 100 · purchasing-power conversion), not a ranking or recommendation.
Salary Equivalents
What a salary in Atlantic City-Hammonton would need to be in Decatur for the same purchasing power:
| In Atlantic City-Hammonton | In Decatur | Difference |
|---|---|---|
| $50,000 | $44,722 | $-5,278 |
| $75,000 | $67,083 | $-7,917 |
| $100,000 | $89,444 | $-10,556 |
| $150,000 | $134,167 | $-15,833 |
$ in Atlantic City-Hammonton = in Decatur
Same BEA Regional Price Parity ratio as the table above (98.9 → 88.4), computed live from your number, nothing is sent anywhere.
What This Comparison Actually Tells You
Both metros remain below the U.S. benchmark of 100. This comparison chooses between two below-average price levels; “more expensive” here does not mean nationally expensive.
Atlantic City-Hammonton, NJ and Decatur, IL sit in clearly different price tiers, separated by 10.4 RPP points. At this distance, treating the same nominal salary as equivalent would materially change purchasing power.
Rents leads the difference, with Decatur 42.5 points lower than Atlantic City-Hammonton. Goods, services, and rents all point in the same broad direction, making the headline comparison more transferable across household types.
Comparable population context is incomplete for this pair, so no market-scale explanation is inferred from the price indexes.
For a housing-sensitive move, validate the rent gap first: HUD Fair Market Rent and the actual unit size can overturn what the blended index implies. On the BEA ratio alone, $100,000 in Atlantic City-Hammonton corresponds to $89,444 in Decatur.
Category Breakdown
Goods
- Decatur
- 93.6
Diff -6.1 RPP
Services
- Atlantic City-Hammonton
- 109.2
- Decatur
- 91.1
Diff -18.1 RPP
Rents
- Decatur
- 56.2
Diff -42.5 RPP
| Category | Atlantic City-Hammonton | Decatur | Difference |
|---|---|---|---|
| Overall | 98.9 | 88.4 | -10.4 |
| Goods | 99.8 | 93.6 | -6.1 |
| Services | 109.2 | 91.1 | -18.1 |
| Rents | 98.7 | 56.2 | -42.5 |
Visual Comparison
Overall
Atlantic City-Hammonton 98.9
Decatur 88.4
Goods
Atlantic City-Hammonton 99.8
Decatur 93.6
Services
Atlantic City-Hammonton 109.2
Decatur 91.1
Rents
Atlantic City-Hammonton 98.7
Decatur 56.2
Vertical line = national average (100)
Atlantic City-Hammonton
98.9
Cost Index
Decatur
88.4
Cost Index
How the Price Gap Changed
Atlantic City-Hammonton and Decatur share 17 published annual releases from 2008 through 2024. Their overall gap narrowed, moving from 19.7 to 10.4 RPP points. Atlantic City-Hammonton remained the higher-index metro in the latest release.
Rents changed the most within this pair: its gap moved 34.7 points between the first and latest shared releases (77.2 to 42.5 points). This describes a relative price-index history, not a forecast or a household budget.
| Release Year | Atlantic City-Hammonton RPP | Decatur RPP | Relative Gap |
|---|---|---|---|
| 2008 | 110.7 | 91.0 | 19.7 points Atlantic City-Hammonton higher |
| 2012 | 104.6 | 93.0 | 11.6 points Atlantic City-Hammonton higher |
| 2016 | 102.6 | 88.9 | 13.7 points Atlantic City-Hammonton higher |
| 2020 | 101.2 | 88.3 | 12.9 points Atlantic City-Hammonton higher |
| 2024 | 98.9 | 88.4 | 10.4 points Atlantic City-Hammonton higher |
Annual BEA Regional Price Parity releases; a higher index means a higher price level relative to the national average of 100. Selected years shown from the full shared series.
Frequently Asked Questions
Is Decatur more expensive than Atlantic City-Hammonton?
Decatur is 10.6% less expensive than Atlantic City-Hammonton. The overall cost index is 88.4 vs 98.9 (national average = 100).
What salary in Decatur equals $100K in Atlantic City-Hammonton?
A $100,000 salary in Atlantic City-Hammonton has the same purchasing power as $89,444 in Decatur. This is based on the BEA Regional Price Parity indexes.
How do rents compare between Atlantic City-Hammonton and Decatur?
Rents in Atlantic City-Hammonton are indexed at 98.7 while Decatur is at 56.2 (national average = 100). Atlantic City-Hammonton has higher rents.
Data sources
- BEA Regional Price Parities (RPP), the cost-of-living indices shown on this page
- U.S. Census Bureau, American Community Survey (ACS), gross-rent observations behind the rents component
- BLS Consumer Price Index (CPI), goods and services price relatives
- BLS Occupational Employment and Wage Statistics (OEWS), labor-driven services component
- HUD Fair Market Rents (FMR), 40th-percentile rent cross-reference
Every figure on PlainCost is rendered directly from BEA Regional Price Parity source data, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, our changelog, or report a data error. Data current as of 2026-08-11. Rankings measure the published cost-of-living index only; we don't recommend where to live or rate any metro's quality of life.