Pennington County, MN ZIP Codes
7 ZIP codes cover all or part of Pennington County, Minnesota: 56701, 56750, 56725, 56742, 56748, 56754 and 56684. The Census Bureau counts 13,791 residents in the county, with a median household income of $77,325 and a median home value of $195,500. Median household income ranges from $71,875 in 56750 to $78,599 in 56701. Its largest communities include Thief River Falls, St. Hilaire and Goodridge.
Pennington County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 13,791 |
| Households | 6,207 |
| Median household income | $77,325 |
| Median home value | $195,500 |
| Median age | 39.6 |
| Median rent | $862 |
All 7 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 18,158 |
| Households (sum of ZIP codes) | 8,047 |
| Median household income, range across ZIP codes | $71,875 (56750) to $78,599 (56701) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $77,607 |
| Homeowners | 75.1% |
| Households with kids under 18 | 26.7% |
| Moved in the past year | 11.1% |
| Carrier routes in EDDM2GO's route library | 8 routes, 1,778 homes (5 of 7 ZIP codes) |
Top facts
- Highest median household income in Pennington County: 56701 ($78,599)
- Most residents: 56701 (12,705 people)
- Highest homeownership: 56750 (84.2% own their home)
- Most households with kids: 56701 (26.4% of households)
- Most new movers: 56701 (13.7% moved in last year)
- Youngest median age: 56701 (39.4 years)
- Highest median home value: 56701 ($196,000)
Every ZIP code in Pennington County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 56701 | Thief River Falls | 12,705 | 5,771 | $78,599 | $196,000 | 71.1% | 26.4% | 13.7% | — | — | 74% of its land |
| 56750 | Red Lake Falls | 2,324 | 999 | $71,875 | $165,300 | 84.2% | 24.6% | 6.3% | 3 | 1,062 | 14% of its land |
| 56725 | Goodridge | 941 | 392 | $72,917 | $220,200 | 88.5% | 29.1% | 4.1% | — | — | 42% of its land |
| 56742 | Oklee | 744 | 300 | $92,500 | $143,300 | 84.7% | 29.0% | 5.5% | 1 | 243 | 27% of its land |
| 56748 | Plummer | 673 | 278 | $87,500 | $202,200 | 79.5% | 28.8% | 2.4% | 1 | 233 | 19% of its land |
| 56754 | Saint Hilaire | 491 | 204 | $79,167 | $215,800 | 84.3% | 31.9% | 7.4% | 1 | 127 | 91% of its land |
| 56684 | Trail | 280 | 103 | $73,750 | $138,800 | 98.1% | 29.1% | 1.8% | 2 | 167 | 33% of its land |
A ZIP code is listed for Pennington 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
- Thief River Falls — 8,823 residents · 1 ZIP code
- St. Hilaire — 259 residents · 1 ZIP code
- Goodridge — 49 residents · 1 ZIP code
Price a mailing to Pennington County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Pennington County, MN?
- 56701, 56750, 56725, 56742, 56748, 56754 and 56684. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Pennington County?
- 13,791 residents in 6,207 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Pennington County?
- $77,325 for the county as a whole. Its ZIP codes range from $71,875 (56750) to $78,599 (56701).
- Which Pennington County ZIP code has the highest median household income?
- 56701, at $78,599, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Pennington County?
- For the 5 of 7 ZIP codes in EDDM2GO's stored route library: 8 carrier routes reaching 1,778 residential and 55 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.