Isanti County, MN ZIP Codes
11 ZIP codes cover all or part of Isanti County, Minnesota. The Census Bureau counts 42,596 residents in the county, with a median household income of $87,440 and a median home value of $306,200. Median household income ranges from $69,191 in 55006 to $114,614 in 55079. Its largest communities include Cambridge, St. Francis, Isanti and Stanchfield.
Isanti County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 42,596 |
| Households | 16,293 |
| Median household income | $87,440 |
| Median home value | $306,200 |
| Median age | 40.2 |
| Median rent | $1,273 |
All 11 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 106,763 |
| Households (sum of ZIP codes) | 39,894 |
| Median household income, range across ZIP codes | $69,191 (55006) to $114,614 (55079) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $95,667 |
| Homeowners | 85.6% |
| Households with kids under 18 | 31.7% |
| Moved in the past year | 9.1% |
| Carrier routes in EDDM2GO's route library | 58 routes, 32,529 homes (7 of 11 ZIP codes) |
Top facts
- Highest median household income in Isanti County: 55079 ($114,614)
- Most residents: 55371 (18,103 people)
- Highest homeownership: 55079 (92.7% own their home)
- Most households with kids: 55070 (41.3% of households)
- Most new movers: 55008 (11.5% moved in last year)
- Youngest median age: 55070 (35.1 years)
- Highest median home value: 55080 ($355,900)
Every ZIP code in Isanti County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 55371 | Princeton | 18,103 | 6,440 | $93,824 | $327,200 | 84.9% | 34.0% | 8.8% | — | — | 26% of its land |
| 55398 | Zimmerman | 17,688 | 6,202 | $103,419 | $355,100 | 90.3% | 35.0% | 7.7% | 11 | 6,995 | 17% of its land |
| 55008 | Cambridge | 16,729 | 6,878 | $84,513 | $290,700 | 75.7% | 27.6% | 11.5% | 15 | 8,065 | 99% of its land |
| 55040 | Isanti | 14,837 | 5,408 | $90,900 | $314,000 | 89.3% | 30.1% | 11.3% | 9 | 5,984 | 100% of its land |
| 55056 | North Branch | 14,753 | 5,886 | $95,679 | $331,300 | 85.1% | 29.2% | 9.7% | 10 | 6,401 | 31% of its land |
| 55079 | Stacy | 8,508 | 3,131 | $114,614 | $352,200 | 92.7% | 28.2% | 7.0% | — | — | 30% of its land |
| 55070 | Saint Francis | 8,441 | 2,999 | $108,750 | $328,500 | 86.3% | 41.3% | 5.8% | 5 | 3,388 | 37% of its land |
| 55006 | Braham | 3,694 | 1,496 | $69,191 | $223,200 | 82.6% | 31.1% | 7.1% | 4 | 1,584 | 34% of its land |
| 55080 | Stanchfield | 3,180 | 1,155 | $101,964 | $355,900 | 88.9% | 31.8% | 9.4% | 4 | 1,194 | 76% of its land |
| 55017 | Dalbo | 799 | 289 | $62,188 | $325,500 | 90.3% | 22.8% | 8.8% | — | — | 100% of its land |
| 55029 | Grandy | 31 | 10 | $74,167 | — | 70.0% | 30.0% | 0.0% | — | — | 100% of its land |
A ZIP code is listed for Isanti County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Cambridge — 10,307 residents · 1 ZIP code
- St. Francis — 8,372 residents · 2 ZIP codes
- Isanti — 7,210 residents · 1 ZIP code
- Stanchfield — 100 residents · 1 ZIP code
Rankings
- Richest ZIP codes in Isanti County — 9 ZIP codes ranked
- ZIP codes with the highest home values in Isanti County — 9 ZIP codes ranked
- ZIP codes with the highest homeownership in Isanti County — 9 ZIP codes ranked
- ZIP codes with the most families with kids in Isanti County — 9 ZIP codes ranked
- ZIP codes with the most new movers in Isanti County — 9 ZIP codes ranked
- Youngest ZIP codes in Isanti County — 9 ZIP codes ranked
- Oldest ZIP codes in Isanti County — 9 ZIP codes ranked
- Fastest-growing ZIP codes in Isanti County — 9 ZIP codes ranked
Price a mailing to Isanti County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Isanti County, MN?
- 55371, 55398, 55008, 55040, 55056, 55079, 55070, 55006, 55080, 55017 and 55029. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Isanti County?
- 42,596 residents in 16,293 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Isanti County?
- $87,440 for the county as a whole. Its ZIP codes range from $69,191 (55006) to $114,614 (55079).
- Which Isanti County ZIP code has the highest median household income?
- 55079, at $114,614, among ZIP codes with at least 1,000 residents. See the full ranking of Isanti County ZIP codes by income.
- How many carrier routes and mailboxes are in Isanti County?
- For the 7 of 11 ZIP codes in EDDM2GO's stored route library: 58 carrier routes reaching 32,529 residential and 1,083 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.