Piatt County, IL ZIP Codes
13 ZIP codes cover all or part of Piatt County, Illinois. The Census Bureau counts 16,695 residents in the county, with a median household income of $94,811 and a median home value of $180,600. Median household income ranges from $65,500 in 61913 to $103,559 in 61856. Its largest communities include Monticello, Bement, Cerro Gordo, Atwood and Mansfield.
Piatt County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 16,695 |
| Households | 6,924 |
| Median household income | $94,811 |
| Median home value | $180,600 |
| Median age | 42.8 |
| Median rent | $1,046 |
All 13 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 20,234 |
| Households (sum of ZIP codes) | 8,473 |
| Median household income, range across ZIP codes | $65,500 (61913) to $103,559 (61856) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $91,445 |
| Homeowners | 84.9% |
| Households with kids under 18 | 25.0% |
| Moved in the past year | 8.9% |
| Carrier routes in EDDM2GO's route library | 17 routes, 5,840 homes (6 of 13 ZIP codes) |
Top facts
- Highest median household income in Piatt County: 61856 ($103,559)
- Most residents: 61856 (8,226 people)
- Highest homeownership: 61842 (88.0% own their home)
- Most households with kids: 61813 (27.6% of households)
- Most new movers: 61854 (20.9% moved in last year)
- Youngest median age: 61913 (39.0 years)
- Highest median home value: 61856 ($230,900)
Every ZIP code in Piatt County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 61856 | Monticello | 8,226 | 3,400 | $103,559 | $230,900 | 85.7% | 26.2% | 8.7% | 8 | 3,667 | 100% of its land |
| 61842 | Farmer City | 2,620 | 1,073 | $80,117 | $157,500 | 88.0% | 24.1% | 4.9% | 4 | 1,254 | 19% of its land |
| 61813 | Bement | 2,043 | 820 | $84,063 | $103,800 | 80.0% | 27.6% | 9.0% | — | — | 100% of its land |
| 61818 | Cerro Gordo | 1,560 | 620 | $84,375 | $116,100 | 82.1% | 26.9% | 7.7% | 1 | 378 | 86% of its land |
| 61913 | Atwood | 1,300 | 610 | $65,500 | $128,700 | 79.2% | 26.6% | 10.7% | — | — | 48% of its land |
| 61854 | Mansfield | 1,299 | 584 | $86,705 | $165,600 | 83.4% | 23.6% | 20.9% | 1 | 364 | 95% of its land |
| 61884 | White Heath | 973 | 428 | $106,250 | $258,300 | 95.6% | 11.0% | 7.6% | 2 | 413 | 79% of its land |
| 61929 | Hammond | 672 | 294 | $79,167 | $106,800 | 83.3% | 23.5% | 5.3% | — | — | 99% of its land |
| 61839 | De Land | 558 | 222 | $56,389 | $92,500 | 79.7% | 21.6% | 8.3% | — | — | 100% of its land |
| 61830 | Cisco | 510 | 203 | $67,232 | $160,700 | 78.8% | 27.6% | 5.6% | 1 | 129 | 72% of its land |
| 61851 | Ivesdale | 279 | 142 | $59,167 | $147,900 | 93.7% | 16.2% | 2.2% | — | — | 11% of its land |
| 61936 | La Place | 170 | 53 | — | $86,800 | 100.0% | 62.3% | 31.2% | — | — | 100% of its land |
| 61855 | Piatt County | 24 | 24 | — | $220,000 | 83.3% | 0.0% | 16.7% | — | — | 100% of its land |
A ZIP code is listed for Piatt County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Monticello — 6,304 residents · 1 ZIP code
- Bement — 1,792 residents · 1 ZIP code
- Cerro Gordo — 1,349 residents · 1 ZIP code
- Atwood — 1,144 residents · 1 ZIP code
- Mansfield — 866 residents · 1 ZIP code
- Hammond — 617 residents · 1 ZIP code
- De Land — 448 residents · 1 ZIP code
- Cisco — 234 residents · 1 ZIP code
- LaPlace — 170 residents · 2 ZIP codes
- White Heath — 163 residents · 1 ZIP code
- Garrett — 88 residents · 1 ZIP code
Rankings
- Richest ZIP codes in Piatt County — 6 ZIP codes ranked
- ZIP codes with the highest home values in Piatt County — 6 ZIP codes ranked
- ZIP codes with the highest homeownership in Piatt County — 6 ZIP codes ranked
- ZIP codes with the most families with kids in Piatt County — 6 ZIP codes ranked
- ZIP codes with the most new movers in Piatt County — 6 ZIP codes ranked
- Youngest ZIP codes in Piatt County — 6 ZIP codes ranked
- Oldest ZIP codes in Piatt County — 6 ZIP codes ranked
- Fastest-growing ZIP codes in Piatt County — 6 ZIP codes ranked
Price a mailing to Piatt County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Piatt County, IL?
- 61856, 61842, 61813, 61818, 61913, 61854, 61884, 61929, 61839, 61830, 61851, 61936 and 61855. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Piatt County?
- 16,695 residents in 6,924 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Piatt County?
- $94,811 for the county as a whole. Its ZIP codes range from $65,500 (61913) to $103,559 (61856).
- Which Piatt County ZIP code has the highest median household income?
- 61856, at $103,559, among ZIP codes with at least 1,000 residents. See the full ranking of Piatt County ZIP codes by income.
- How many carrier routes and mailboxes are in Piatt County?
- For the 6 of 13 ZIP codes in EDDM2GO's stored route library: 17 carrier routes reaching 5,840 residential and 365 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.