ZIP codes
16
Adams County, IL Demographics & ZIP Codes
Adams County, Illinois demographics and median household income by ZIP code — 16 ZIP codes — population 64,937 — avg. income $74,641 — avg. home value $142,487. Compare income, housing, and ZIP-level data on US5.
Population
64,937
Median household income (avg.)
$74,641
99% of U.S. median
Average home value
$142,487
41% of U.S. median
Average rent
$547
47% of U.S. median
Adams County demographics
Adams County, Illinois covers 16 ZIP codes, with a combined ZIP-area population of about 64,937.
Median household income in Adams County
The average median household income across ZIP codes in Adams County, Illinois is about $74,641 — about 4% below the IL ZIP average ($78,143), and about even with the U.S. median ($75,149).
Among ZIPs with income data, 62347 (Adams) is near the top at about $92,969, while 62301 (Quincy) is near the bottom at about $52,212.
Housing in Adams County
For housing in Adams County, Illinois, the average median home value is about $142,487 and the average median rent is about $547.
The most populous ZIP is 62301 (Quincy) with about 30,987 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Adams County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 62301 | Quincy | Adams County | IL | 30,987 | $52,212 | $124,200 |
| 62305 | Quincy | Adams County | IL | 19,077 | $80,918 | $203,500 |
| 62320 | Camp Point | Adams County | IL | 2,431 | $77,750 | $169,300 |
| 62347 | Adams | Adams County | IL | 2,172 | $92,969 | $199,000 |
| 62351 | Mendon | Adams County | IL | 2,026 | $73,772 | $150,700 |
| 62360 | Payson | Adams County | IL | 1,540 | $58,427 | $126,300 |
| 62324 | Clayton | Adams County | IL | 1,393 | $73,218 | $101,100 |
| 62338 | Fowler | Adams County | IL | 1,109 | $86,339 | $173,000 |
| 62376 | Ursa | Adams County | IL | 1,073 | $74,375 | $156,600 |
| 62339 | Golden | Adams County | IL | 1,004 | $63,077 | $129,200 |
| 62349 | Loraine | Adams County | IL | 678 | $67,431 | $97,300 |
| 62325 | Coatsburg | Adams County | IL | 547 | $73,611 | $134,200 |
| 62365 | Richfield | Adams County | IL | 421 | $75,938 | $122,900 |
| 62348 | Lima | Adams County | IL | 240 | $87,639 | $112,500 |
| 62346 | La Prairie | Adams County | IL | 135 | $81,944 | $137,500 |
| 62359 | Paloma | Adams County | IL | 104 | — | — |
Frequently asked questions
What are the demographics of Adams County?
Adams County, Illinois has a combined ZIP-area population of about 64,937 across 16 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Adams County?
The average median household income across ZIP codes in Adams County, Illinois is about $74,641, about 4% below the state ZIP average ($78,143), and near the U.S. median ($75,149). Average median home value is about $142,487. Among ZIPs with data, 62347 (Adams) is near the top ($92,969) and 62301 (Quincy) is near the bottom ($52,212).
How many ZIP codes are in Adams County?
Adams County, Illinois includes 16 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Adams County?
This page lists ZIP codes in Adams County, Illinois with population, median household income, and home value. Select a ZIP for a full demographics profile.