LaSalle
Source:
Illinois
LaSalle is a mid-size county in Illinois with 25 ZIP codes, 115,073 people, and upper-quartile household income among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.
National county placement
According to ACS 5-Year Estimates, LaSalle, IL sits among US counties with an upper-quartile household income, on a mid-size county population base, across a multi-ZIP patchwork.
- Top 20%
- household income vs 3,210 US counties
- 115,073
- combined ZIP population
- 25
- USPS ZIP codes covered
- $81,640
- avg ZIP median income
Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.
LaSalle lands in the national county income distribution as upper-quartile household income on mid-size county footing (FIPS 17099, 25 ZIPs, combined population 115,073). Sort the ZIP table by population before treating the county mean as uniform.
High-income counties with wide ZIP mosaics hide sharp internal gradients. The densest ZIP here is 61350 (Ottawa) with 24,246 residents - open it beside a thin rural code from the table before treating the county mean as uniform. HUD Fair Market Rents and FBI county tables attach to FIPS 17099, so scorecards stay county-keyed while household income stays ZIP-keyed.
Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.
25
Total ZIPs
115,073
Total Population
ZIP Codes in LaSalle
Side-by-side: Compare 61350 vs 61364 →
| ZIP Code | City | Population | Density |
|---|---|---|---|
| 61350 | Ottawa | 24,246 | 61 |
| 61364 | Streator | 20,133 | 54 |
| 61354 | Peru | 10,870 | 99 |
| 61301 | La Salle | 10,588 | 103 |
| 61342 | Mendota | 9,216 | 34 |
| 61341 | Marseilles | 8,234 | 35 |
| 60551 | Sheridan | 5,062 | 34 |
| 61348 | Oglesby | 4,696 | 48 |
| 60552 | Somonauk | 4,448 | 63 |
| 60518 | Earlville | 3,580 | 10 |
| 61360 | Seneca | 3,393 | 26 |
| 61373 | Utica | 2,031 | 16 |
| 60531 | Leland | 1,902 | 13 |
| 61370 | Tonica | 1,460 | 11 |
| 61325 | Grand Ridge | 1,073 | 8 |
| 61334 | Lostant | 741 | 8 |
| 60537 | Millington | 665 | 391 |
| 60549 | Serena | 643 | 10 |
| 60470 | Ransom | 616 | 6 |
| 61358 | Rutland | 478 | 7 |
| 61316 | Cedar Point | 282 | 69 |
| 61321 | Dana | 282 | 4 |
| 60557 | Wedron | 155 | 89 |
| 61372 | Troy Grove | 145 | 217 |
| 61332 | Leonore | 134 | 102 |
Frequently Asked Questions
What is the population of LaSalle?
LaSalle has a total population of 115,073 across 25 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in LaSalle?
LaSalle includes 25 ZIP codes: 61350, 61364, 61354, 61301, 61342, 61341, 60551, 61348, 60552, 60518, and more.