ZIP codes
26
LaSalle County, IL Demographics & ZIP Codes
LaSalle County, Illinois demographics and median household income by ZIP code — 26 ZIP codes — population 106,930 — avg. income $77,405 — avg. home value $162,854. Compare income, housing, and ZIP-level data on US5.
Population
106,930
Median household income (avg.)
$77,405
103% of U.S. median
Average home value
$162,854
47% of U.S. median
Average rent
$717
62% of U.S. median
LaSalle County demographics
LaSalle County, Illinois covers 26 ZIP codes, with a combined ZIP-area population of about 106,930.
Median household income in LaSalle County
The average median household income across ZIP codes in LaSalle County, Illinois is about $77,405 — about even with the IL ZIP average ($78,143), and about 3% above the U.S. median ($75,149).
Among ZIPs with income data, 60549 (Serena) is near the top at about $105,625, while 61377 (Wenona) is near the bottom at about $48,472.
Housing in LaSalle County
For housing in LaSalle County, Illinois, the average median home value is about $162,854 and the average median rent is about $717.
The most populous ZIP is 61350 (Ottawa) with about 23,999 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in LaSalle County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 61350 | Ottawa | LaSalle County | IL | 23,999 | $77,562 | $157,100 |
| 61364 | Streator | LaSalle County | IL | 18,236 | $57,147 | $97,300 |
| 61354 | Peru | LaSalle County | IL | 10,366 | $69,382 | $160,100 |
| 61301 | LaSalle | LaSalle County | IL | 10,312 | $59,260 | $117,800 |
| 61342 | Mendota | LaSalle County | IL | 8,373 | $65,184 | $132,700 |
| 61341 | Marseilles | LaSalle County | IL | 7,249 | $78,895 | $179,400 |
| 60551 | Sheridan | LaSalle County | IL | 4,984 | $84,925 | $247,300 |
| 61348 | Oglesby | LaSalle County | IL | 4,397 | $71,197 | $139,100 |
| 60518 | Earlville | LaSalle County | IL | 3,576 | $73,750 | $151,200 |
| 61360 | Seneca | LaSalle County | IL | 3,320 | $94,137 | $240,800 |
| 60531 | Leland | LaSalle County | IL | 2,170 | $77,672 | $225,800 |
| 61373 | North Utica | LaSalle County | IL | 2,120 | $102,639 | $222,600 |
| 61377 | Wenona | LaSalle County | IL | 1,458 | $48,472 | $127,300 |
| 61370 | Tonica | LaSalle County | IL | 1,250 | $82,917 | $153,300 |
| 61325 | Grand Ridge | LaSalle County | IL | 1,131 | $89,135 | $179,900 |
| 60549 | Serena | LaSalle County | IL | 836 | $105,625 | $292,000 |
| 60537 | Millington | LaSalle County | IL | 671 | $79,826 | $204,800 |
| 61334 | Lostant | LaSalle County | IL | 620 | $96,417 | $119,700 |
| 60470 | Ransom | LaSalle County | IL | 410 | $68,500 | $113,800 |
| 61358 | Rutland | LaSalle County | IL | 385 | $87,143 | $204,000 |
| 61372 | Troy Grove | LaSalle County | IL | 269 | $81,838 | $186,300 |
| 61321 | Dana | LaSalle County | IL | 232 | $77,759 | $86,600 |
| 61316 | Cedar Point | LaSalle County | IL | 212 | $59,583 | $86,800 |
| 61332 | Leonore | LaSalle County | IL | 150 | $68,750 | $82,800 |
| 60557 | Wedron | LaSalle County | IL | 129 | — | — |
| 61371 | Triumph | LaSalle County | IL | 75 | — | — |
Frequently asked questions
What are the demographics of LaSalle County?
LaSalle County, Illinois has a combined ZIP-area population of about 106,930 across 26 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in LaSalle County?
The average median household income across ZIP codes in LaSalle County, Illinois is about $77,405, roughly in line with the state ZIP average ($78,143), and about 3% above the U.S. median ($75,149). Average median home value is about $162,854. Among ZIPs with data, 60549 (Serena) is near the top ($105,625) and 61377 (Wenona) is near the bottom ($48,472).
How many ZIP codes are in LaSalle County?
LaSalle County, Illinois includes 26 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for LaSalle County?
This page lists ZIP codes in LaSalle County, Illinois with population, median household income, and home value. Select a ZIP for a full demographics profile.