| ZIP Codes: | 20 ZIP Codes (17 Standard, 3 PO Box, 0 Unique) [See All] |
| Area Codes: | 651 / 952 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:12:36 PM |
| Population: | 447,813 [See All] |
| FIPS: | 27037 |
| CBSA: | Minneapolis-St. Paul-Bloomington, MN-WI |
| Land Area: | 563 sq mi |
| Water Area: | 24 sq mi |
| Coordinates: | 44.7504, -93.1173 |
| Quick Link: |
447,813 residents live across 20 ZIPs covering 563 sq mi, served by 13 distinct USPS-recognized cities.
Population moved from 407,148 to 447,813 from 2014 to 2024 — a +10.0% change. 15 ZIPs gained residents, 4 lost.
The county's wealthiest ZIP 55044 (Lakeville, $141,551 median) and poorest ZIP 55337 (Burnsville, $84,110) are 10.5 miles apart — a 1.7× income gap across local geography.
Median home values vary 1.9× across this county — from $281,700 in 55075 (South Saint Paul) to $540,900 in 55077 (Inver Grove Heights).
Density varies 94× across the county — from 37 people/sq mi in 55065 (Randolph) to 3,442 in 55075 (South Saint Paul).
Educational attainment ranges from 22.7% bachelor's+ in 55031 (Hampton) to 65.4% in 55123 (Saint Paul) — the breadth of educational profiles across the area.
Within Minnesota, this is the #3 most populous of 93 counties and ranks #5 for median household income with the #10 fastest decade growth .
Weighted by population, the typical household earns about $109,506 across the county — reflecting what a typical resident sees, not a simple ZIP average.
45.1% of adults age 25+ hold a bachelor's degree or higher (137,991 of 305,892 reporting). The most-educated ZIPs cluster around Saint Paul.
17 Standard delivery, 3 PO Box only, 0 single-entity Unique ZIPs serve this county.
1 ZIP in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 55044 | Lakeville | Standard | 64,762 | $141,551 | 68.9 | 32.4% |
| 55124 | Saint Paul | Standard | 55,658 | $97,727 | 17.6 | 11.5% |
| 55337 | Burnsville | Standard | 47,633 | $84,110 | 20.4 | 6.7% |
| 55024 | Farmington | Standard | 37,287 | $127,280 | 82.9 | 11.9% |
| 55068 | Rosemount | Standard | 33,119 | $127,798 | 50.5 | 16.3% |
| 55122 | Saint Paul | Standard | 32,261 | $96,823 | 12.0 | 4.9% |
| 55033 | Hastings | Standard | 29,674 | $103,988 | 155.6 | 0.2% |
| 55118 | Saint Paul | Standard | 29,564 | $87,340 | 11.3 | 6.0% |
| 55123 | Saint Paul | Standard | 26,501 | $139,215 | 11.6 | 1.2% |
| 55076 | Inver Grove Heights | Standard | 21,374 | $93,847 | 11.5 | -1.9% |
| 55075 | South Saint Paul | Standard | 20,714 | $88,386 | 6.0 | 1.7% |
| 55306 | Burnsville | Standard | 16,830 | $100,515 | 7.0 | 2.7% |
| 55077 | Inver Grove Heights | Standard | 14,503 | $111,967 | 18.9 | 16.0% |
| 55121 | Saint Paul | Standard | 9,198 | $87,152 | 9.3 | 13.4% |
| 55120 | Saint Paul | Standard | 5,058 | $116,346 | 6.7 | 17.0% |
| 55031 | Hampton | Standard | 1,881 | $114,338 | 37.7 | -12.9% |
| 55065 | Randolph | Standard | 1,224 | $119,667 | 33.5 | 14.0% |
| 55085 | Vermillion | PO Box | 371 | $107,500 | 0.9 | -23.2% |
| 55150 | Mendota | PO Box | 201 | $111,250 | 0.3 | -9.0% |
| 55010 | Castle Rock | PO Box | — | — | 0.0 | — |