| ZIP Codes: | 18 ZIP Codes (15 Standard, 3 PO Box, 0 Unique) [See All] |
| Area Codes: | 534 / 715 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:14:19 PM |
| Population: | 130,355 [See All] |
| FIPS: | 55073 |
| CBSA: | Wausau, WI |
| Land Area: | 1,353 sq mi |
| Water Area: | 28 sq mi |
| Coordinates: | 44.8953, -89.7000 |
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130,355 residents live across 18 ZIPs covering 1,353 sq mi, served by 16 distinct USPS-recognized cities.
Population moved from 127,474 to 130,355 from 2014 to 2024 — a +2.3% change. 9 ZIPs gained residents, 7 lost.
The county's wealthiest ZIP 54455 (Mosinee, $96,140 median) and poorest ZIP 54488 (Unity, $63,571) are 29.8 miles apart — a 1.5× income gap across local geography.
Median home values vary 2.0× across this county — from $142,400 in 54488 (Unity) to $290,100 in 54471 (Ringle).
Density varies 35× across the county — from 25 people/sq mi in 54408 (Aniwa) to 864 in 54474 (Rothschild).
Educational attainment ranges from 9.5% bachelor's+ in 54488 (Unity) to 34.4% in 54403 (Wausau) — the breadth of educational profiles across the area.
Within Wisconsin, this is the #11 most populous of 73 counties and ranks #24 for median household income .
Weighted by population, the typical household earns about $78,023 across the county — reflecting what a typical resident sees, not a simple ZIP average.
28.0% of adults age 25+ hold a bachelor's degree or higher (25,624 of 91,430 reporting).
15 Standard delivery, 3 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 |
|---|---|---|---|---|---|---|
| 54401 | Wausau | Standard | 31,692 | $71,586 | 84.4 | 2.6% |
| 54403 | Wausau | Standard | 24,950 | $69,030 | 133.3 | 0.8% |
| 54476 | Schofield | Standard | 19,377 | $78,079 | 47.2 | 2.4% |
| 54455 | Mosinee | Standard | 19,025 | $96,140 | 253.1 | 11.2% |
| 54484 | Stratford | Standard | 5,529 | $72,047 | 106.0 | 6.8% |
| 54411 | Athens | Standard | 5,028 | $77,176 | 187.8 | -9.9% |
| 54474 | Rothschild | Standard | 4,589 | $81,635 | 5.3 | 21.7% |
| 54448 | Marathon | Standard | 4,280 | $94,432 | 89.7 | -0.6% |
| 54426 | Edgar | Standard | 4,275 | $78,942 | 106.6 | -5.5% |
| 54479 | Spencer | Standard | 3,630 | $77,371 | 76.3 | -12.8% |
| 54440 | Hatley | Standard | 2,662 | $90,921 | 83.8 | -12.9% |
| 54471 | Ringle | Standard | 1,636 | $87,368 | 42.7 | -12.0% |
| 54488 | Unity | Standard | 1,275 | $63,571 | 41.2 | 11.4% |
| 54408 | Aniwa | Standard | 1,247 | $72,768 | 50.1 | 17.8% |
| 54427 | Eland | Standard | 1,156 | $83,958 | 44.3 | 2.8% |
| 54417 | Brokaw | PO Box | 4 | — | 0.9 | -86.2% |
| 54402 | Wausau | PO Box | — | — | 0.0 | — |
| 54429 | Elderon | PO Box | — | — | 0.0 | — |