| ZIP Codes: | 9 ZIP Codes (8 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Codes: | 219 / 574 / 765 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 11:53:27 PM |
| Population: | 26,695 [See All] |
| FIPS: | 18181 |
| CBSA: | Monticello, IN |
| Land Area: | 536 sq mi |
| Water Area: | 5 sq mi |
| Coordinates: | 40.7685, -86.8244 |
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26,695 residents live across 9 ZIPs covering 536 sq mi, served by 9 distinct USPS-recognized cities.
Population moved from 26,859 to 26,695 from 2014 to 2024 — a -0.6% change. 5 ZIPs gained residents, 4 lost.
The county's wealthiest ZIP 47923 (Brookston, $80,205 median) and poorest ZIP 47959 (Monon, $48,750) are 18.0 miles apart — a 1.6× income gap across local geography.
Median home values vary 1.6× across this county — from $129,700 in 47959 (Monon) to $202,100 in 47923 (Brookston).
Density varies 8× across the county — from 16 people/sq mi in 47929 (Chalmers) to 122 in 47960 (Monticello).
Educational attainment ranges from 6.4% bachelor's+ in 47959 (Monon) to 27.3% in 47929 (Chalmers) — the breadth of educational profiles across the area.
Within Indiana, this is the #61 most populous of 92 counties and ranks #63 for median household income .
Weighted by population, the typical household earns about $66,948 across the county — reflecting what a typical resident sees, not a simple ZIP average.
18.6% of adults age 25+ hold a bachelor's degree or higher (3,499 of 18,784 reporting).
8 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 47960 | Monticello | Standard | 14,825 | $65,603 | 121.7 | 1.4% |
| 47923 | Brookston | Standard | 3,700 | $80,205 | 90.1 | 0.8% |
| 47959 | Monon | Standard | 2,679 | $48,750 | 65.3 | -6.6% |
| 47995 | Wolcott | Standard | 1,860 | $80,179 | 83.9 | 15.8% |
| 47980 | Reynolds | Standard | 1,244 | $60,962 | 55.1 | 4.0% |
| 47926 | Burnettsville | Standard | 863 | $77,917 | 35.8 | -9.5% |
| 47929 | Chalmers | Standard | 758 | $73,036 | 46.7 | 15.2% |
| 47950 | Idaville | Standard | 657 | $49,271 | 37.0 | -38.2% |
| 47925 | Buffalo | PO Box | 109 | — | 0.0 | -51.8% |