Poplar Grove Illinois ZIP Codes
Poplar Grove holds a single ZIP code.
Every ZIP code in Poplar Grove
| ZIP code | County |
|---|---|
| 61065 | Boone County |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Poplar Grove codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Poplar Grove. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.
How these codes cluster
Every Poplar Grove ZIP code begins 610. Those first three digits identify the sectional center facility that processes mail for this part of Illinois. Statewide that range covers 66 ZIP codes, so Poplar Grove accounts for 2% of it.
Every Illinois ZIP prefix and the region it covers →
Area codes covering Poplar Grove
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The codes below serve the same ground Poplar Grove occupies.
Poplar Grove Illinois area codes in full →
Where Poplar Grove's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Poplar Grove
| City | Distance | ZIP codes |
|---|---|---|
| Caledonia Illinois ZIP codes | 2.8 mi | 1 ZIP code |
| Capron Illinois ZIP codes | 6.3 mi | 1 ZIP code |
| Belvidere Illinois ZIP codes | 6.3 mi | 1 ZIP code |
| Loves Park Illinois ZIP codes | 8.0 mi | 4 ZIP codes |
| Machesney Park Illinois ZIP codes | 9.3 mi | 1 ZIP code |
| Roscoe Illinois ZIP codes | 9.9 mi | 1 ZIP code |
| Cherry Valley Illinois ZIP codes | 10 mi | 1 ZIP code |
| Harvard Illinois ZIP codes | 13 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.