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HUD Open Data · 2026

What Are the Income Limits in Grundy County, Illinois?

$116,100/yr 2.3%vs 2025 ($118,800)

Chicago-Naperville-Elgin, IL-IN metro · HUD Income Limits (AMI) for Chicago-Naperville-Elgin, IL-IN, IL

The HUD Income Limits (2026) for Grundy County, Illinois (Chicago-Naperville-Elgin, IL-IN area) show a median income of $116,100 a year. The 30% AMI limit for a 4-person household is $34,850, 50% AMI is $58,050, and 80% AMI is $92,900. Source: U.S. HUD, Office of Policy Development & Research, 2026 Income Limits.

Median Income in Grundy County, IL and Neighbouring Counties

Kendall: $135,800LaSalle: $105,200Grundy County: $116,100Kankakee: $102,200Livingston: $96,500Will: $121,500$135,800$105,200$116,100$102,200$96,500$121,500

Income Limits by Household Size

Household Size30% AMI50% AMI80% AMI
1$24,400$40,650$65,050
2$27,900$46,450$74,350
3$31,400$52,250$83,650
4$34,850$58,050$92,900
5$38,680$62,700$100,350
6$44,360$67,350$107,800
7$50,040$72,000$115,200
8$55,720$76,650$122,650

How does Grundy County, IL compare?

Median income ranked against all counties in Illinois.

Higher income limits than 92% of counties in Illinois · 9th of 102

Lowest: Saline County($75,000)
Highest: Kendall County($135,800)
#CountyValue
1Kendall County$135,800
2Will County$121,500
2McHenry County$121,500
… 5 more …
9Grundy County(you are here)$116,100
… 90 more …
100Saline County$75,000
101Hardin County$72,700
102Pulaski County$65,900

Frequently asked questions

What are the Income Limits in Grundy County, Illinois for 2026?

The area median income in Grundy County, Illinois is $116,100 a year for 2026 (HUD applies one figure across the Chicago-Naperville-Elgin, IL-IN area). For a four-person household, the limits work out to $34,850 at 30% of the median (extremely low income), $58,050 at 50% (very low income), and $92,900 at 80% (low income). The full table by household size is above. Source: U.S. HUD, Office of Policy Development and Research, 2026 Income Limits.

What is the median income in Grundy County, Illinois?

HUD puts the area median income for Grundy County, Illinois at $116,100 a year in 2026.

What is the 80% AMI income limit for a 2-person household in Grundy County, Illinois?

For 2026, the 80% AMI (low income) limit for a 2-person household in Grundy County, Illinois is $74,350 a year. At 50% AMI (very low income) the 2-person limit is $46,450, and at 30% AMI (extremely low income) it is $27,900. Limits for other household sizes are in the table above.

How do income limits in Grundy County change with household size?

HUD publishes 2026 limits for household sizes 1 through 8. At 80% AMI in Grundy County, the limit is $65,050 for a 1-person household, $74,350 for 2 people, $92,900 for 4 people, and $122,650 for 8 people. The table above lists every household size at 30%, 50%, and 80% AMI.

What do 30%/50%/80% AMI mean?

AMI stands for Area Median Income. 30% AMI means the income threshold is 30% of the area's median income. Households at or below 30% AMI are classified as extremely low income, 50% as very low income, and 80% as low income. These thresholds determine eligibility for federal housing programs like Section 8 vouchers and LIHTC properties.

When are Income Limits in Grundy County updated?

HUD publishes new income limits annually, typically in spring. The 2026 figures apply for the full calendar year unless HUD issues an interim adjustment.

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Data from the U.S. Department of Housing and Urban Development, public domain. 2026 Income Limits.