| ZIP Codes: | 19 ZIP Codes (14 Standard, 4 PO Box, 1 Unique) [See All] |
| Area Codes: | 274 / 715 / 920 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:14:20 PM |
| Population: | 212,451 [See All] |
| FIPS: | 55087 |
| CBSA: | Appleton, WI |
| Land Area: | 630 sq mi |
| Water Area: | 6 sq mi |
| Coordinates: | 44.3480, -88.4448 |
| Quick Link: |
212,451 residents live across 19 ZIPs covering 630 sq mi, served by 14 distinct USPS-recognized cities.
Population moved from 197,733 to 212,198 from 2014 to 2024 — a +7.3% change. 12 ZIPs gained residents, 3 lost.
The county's wealthiest ZIP 54942 (Greenville, $119,508 median) and poorest ZIP 54911 (Appleton, $67,001) are 8.1 miles apart — a 1.8× income gap across local geography.
Median home values vary 1.8× across this county — from $216,100 in 54911 (Appleton) to $393,400 in 54913 (Appleton).
Density varies 128× across the county — from 24 people/sq mi in 54922 (Bear Creek) to 3,093 in 54136 (Kimberly).
Educational attainment ranges from 15.1% bachelor's+ in 54106 (Black Creek) to 48.2% in 54913 (Appleton) — the breadth of educational profiles across the area.
Within Wisconsin, this is the #5 most populous of 73 counties and ranks #15 for median household income with the #8 fastest decade growth .
Hosts 1 single-entity Unique ZIP: 54919Thrivent Finan For Lutherans .
Weighted by population, the typical household earns about $87,749 across the county — reflecting what a typical resident sees, not a simple ZIP average.
33.9% of adults age 25+ hold a bachelor's degree or higher (49,537 of 146,236 reporting). The most-educated ZIPs cluster around Appleton.
14 Standard delivery, 4 PO Box only, 1 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 54915 | Appleton | Standard | 44,367 | $87,426 | 15.0 | 3.7% |
| 54914 | Appleton | Standard | 31,849 | $79,875 | 19.9 | 4.2% |
| 54130 | Kaukauna | Standard | 28,380 | $89,131 | 78.1 | 9.7% |
| 54911 | Appleton | Standard | 25,308 | $67,001 | 8.9 | -4.3% |
| 54913 | Appleton | Standard | 25,147 | $105,385 | 62.6 | 38.3% |
| 54942 | Greenville | Standard | 11,020 | $119,508 | 15.8 | 21.2% |
| 54944 | Hortonville | Standard | 9,312 | $100,523 | 70.0 | 10.6% |
| 54140 | Little Chute | Standard | 8,035 | $82,472 | 3.2 | -8.6% |
| 54165 | Seymour | Standard | 7,786 | $87,048 | 96.5 | 2.8% |
| 54136 | Kimberly | Standard | 7,019 | $69,495 | 2.3 | 10.1% |
| 54106 | Black Creek | Standard | 4,990 | $97,500 | 85.4 | 0.9% |
| 54170 | Shiocton | Standard | 3,898 | $78,889 | 123.7 | 9.5% |
| 54113 | Combined Locks | Standard | 3,622 | $93,490 | 1.9 | 6.3% |
| 54922 | Bear Creek | Standard | 1,101 | $76,350 | 45.7 | -24.6% |
| 54931 | Dale | PO Box | 364 | — | 0.1 | 28.2% |
| 54152 | Nichols | PO Box | 253 | $56,607 | 0.7 | — |
| 54919 | Appleton | Unique | — | — | 0.5 | — |
| 54912 | Appleton | PO Box | — | — | 0.0 | — |
| 54131 | Freedom | PO Box | — | — | 0.0 | — |