| ZIP Codes: | 9 ZIP Codes (9 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Codes: | 507 / 924 / 952 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:12:39 PM |
| Population: | 71,003 [See All] |
| FIPS: | 27131 |
| CBSA: | Faribault-Northfield, MN |
| Land Area: | 563 sq mi |
| Water Area: | 19 sq mi |
| Coordinates: | 44.3698, -93.3298 |
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71,003 residents live across 9 ZIPs covering 563 sq mi, served by 9 distinct USPS-recognized cities.
Population moved from 68,189 to 71,003 from 2014 to 2024 — a +4.1% change. 6 ZIPs gained residents, 3 lost.
The county's wealthiest ZIP 55088 (Webster, $132,917 median) and poorest ZIP 55021 (Faribault, $68,820) are 15.5 miles apart — a 1.9× income gap across local geography.
Median home values vary 1.8× across this county — from $279,200 in 55052 (Morristown) to $510,300 in 55088 (Webster).
Density varies 14× across the county — from 14 people/sq mi in 56052 (Kilkenny) to 203 in 55057 (Northfield).
Educational attainment ranges from 18.8% bachelor's+ in 55052 (Morristown) to 50.5% in 55057 (Northfield) — the breadth of educational profiles across the area.
Within Minnesota, this is the #14 most populous of 93 counties and ranks #11 for median household income .
Weighted by population, the typical household earns about $84,198 across the county — reflecting what a typical resident sees, not a simple ZIP average.
31.1% of adults age 25+ hold a bachelor's degree or higher (14,291 of 45,940 reporting).
9 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 55021 | Faribault | Standard | 30,908 | $68,820 | 184.4 | 3.2% |
| 55057 | Northfield | Standard | 25,650 | $92,622 | 126.5 | 2.9% |
| 55046 | Lonsdale | Standard | 6,145 | $95,912 | 47.5 | 14.5% |
| 55019 | Dundas | Standard | 2,305 | $117,381 | 22.3 | 13.3% |
| 55052 | Morristown | Standard | 2,114 | $82,760 | 46.4 | 18.8% |
| 55088 | Webster | Standard | 1,812 | $132,917 | 36.5 | 2.5% |
| 55053 | Nerstrand | Standard | 995 | $101,406 | 46.1 | -11.6% |
| 56052 | Kilkenny | Standard | 747 | $91,875 | 52.8 | -10.2% |
| 55087 | Warsaw | Standard | 327 | $92,344 | 0.3 | -17.2% |