Nicollet County, MN ZIP Codes
10 ZIP codes cover all or part of Nicollet County, Minnesota. The Census Bureau counts 34,411 residents in the county, with a median household income of $79,756 and a median home value of $270,300. Median household income ranges from $62,206 in 55335 to $96,563 in 56021. Its largest communities include Mankato, North Mankato, St. Peter, Nicollet and Courtland.
Nicollet County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 34,411 |
| Households | 13,002 |
| Median household income | $79,756 |
| Median home value | $270,300 |
| Median age | 38.3 |
| Median rent | $970 |
All 10 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 63,136 |
| Households (sum of ZIP codes) | 25,131 |
| Median household income, range across ZIP codes | $62,206 (55335) to $96,563 (56021) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $75,824 |
| Homeowners | 74.4% |
| Households with kids under 18 | 28.3% |
| Moved in the past year | 11.3% |
| Carrier routes in EDDM2GO's route library | 24 routes, 10,002 homes (6 of 10 ZIP codes) |
Top facts
- Highest median household income in Nicollet County: 56021 ($96,563)
- Most residents: 56073 (17,339 people)
- Highest homeownership: 56021 (85.7% own their home)
- Most households with kids: 56003 (33.2% of households)
- Most new movers: 56082 (17.0% moved in last year)
- Youngest median age: 55334 (36.8 years)
- Highest median home value: 56074 ($293,700)
Every ZIP code in Nicollet County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 56073 | New Ulm | 17,339 | 7,344 | $70,250 | $218,700 | 77.9% | 25.9% | 8.3% | — | — | 38% of its land |
| 56003 | Mankato | 15,258 | 6,349 | $82,538 | $270,400 | 71.3% | 33.2% | 12.3% | — | — | 100% of its land |
| 56082 | Saint Peter | 14,606 | 4,941 | $71,456 | $275,200 | 69.7% | 27.5% | 17.0% | 11 | 5,520 | 87% of its land |
| 56058 | Le Sueur | 6,067 | 2,575 | $86,677 | $280,300 | 75.4% | 28.5% | 9.5% | 6 | 2,892 | 11% of its land |
| 55334 | Gaylord | 2,727 | 1,074 | $66,149 | $192,800 | 64.9% | 26.7% | 9.3% | 2 | 821 | 11% of its land |
| 56074 | Nicollet | 1,845 | 699 | $92,813 | $293,700 | 77.4% | 30.5% | 5.0% | 2 | 431 | 100% of its land |
| 55332 | Fairfax | 1,667 | 706 | $62,361 | $144,300 | 82.7% | 21.5% | 7.6% | 2 | 483 | 17% of its land |
| 55335 | Gibbon | 1,666 | 674 | $62,206 | $149,300 | 83.2% | 22.0% | 8.3% | — | — | 16% of its land |
| 56021 | Courtland | 1,108 | 441 | $96,563 | $276,800 | 85.7% | 28.6% | 6.5% | — | — | 100% of its land |
| 56054 | Lafayette | 853 | 328 | $93,214 | $198,200 | 89.3% | 28.7% | 5.4% | 1 | 339 | 84% of its land |
A ZIP code is listed for Nicollet 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
- Mankato — 45,473 residents · 2 ZIP codes
- North Mankato — 14,211 residents · 1 ZIP code
- St. Peter — 12,185 residents · 1 ZIP code
- Nicollet — 957 residents · 1 ZIP code
- Courtland — 770 residents · 1 ZIP code
- Kasota — 554 residents · 2 ZIP codes
- Lafayette — 484 residents · 1 ZIP code
Rankings
- Richest ZIP codes in Nicollet County — 9 ZIP codes ranked
- ZIP codes with the highest home values in Nicollet County — 9 ZIP codes ranked
- ZIP codes with the highest homeownership in Nicollet County — 9 ZIP codes ranked
- ZIP codes with the most families with kids in Nicollet County — 9 ZIP codes ranked
- ZIP codes with the most new movers in Nicollet County — 9 ZIP codes ranked
- Youngest ZIP codes in Nicollet County — 9 ZIP codes ranked
- Oldest ZIP codes in Nicollet County — 9 ZIP codes ranked
- Fastest-growing ZIP codes in Nicollet County — 9 ZIP codes ranked
Price a mailing to Nicollet County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Nicollet County, MN?
- 56073, 56003, 56082, 56058, 55334, 56074, 55332, 55335, 56021 and 56054. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Nicollet County?
- 34,411 residents in 13,002 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Nicollet County?
- $79,756 for the county as a whole. Its ZIP codes range from $62,206 (55335) to $96,563 (56021).
- Which Nicollet County ZIP code has the highest median household income?
- 56021, at $96,563, among ZIP codes with at least 1,000 residents. See the full ranking of Nicollet County ZIP codes by income.
- How many carrier routes and mailboxes are in Nicollet County?
- For the 6 of 10 ZIP codes in EDDM2GO's stored route library: 24 carrier routes reaching 10,002 residential and 483 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.