Jefferson City, MT · standard
ZIP Code 59638
Jefferson County, Montana - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 617
- 3/sq mi Low-density area
- $126,723
- Median income Above-median income area
- 30.5%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Jefferson City pairs a top-decile household income, in a rural, homeowner-dominated area.
- Top 8%
- household income, US ZIPs
- 3
- people per sq mi
- 98%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 59638 against every reporting US ZIP.
ZIP code 59638 is a sparsely populated ZIP (a standard USPS delivery area) in Jefferson City, Jefferson County, Montana, home to just 617 residents across 246.8 square miles, a density of 3 people per square mile, in the Denver time zone.
ZIP 59638 skews affluent, with a median household income of $126,723 (81% above the average Montana ZIP), while per-capita income is $48,581. Both reported hardship measures are comparatively low in absolute terms: poverty is 0.0% and unemployment is 0.0%. The ACS does not report a median home value for this ZIP, so housing cost context is limited to the available tenure and rent fields.
A solid share of residents have a four-year degree: 30.5% of adults hold a bachelor's degree or higher, the median age is 45.1, and the average commute is -. The page also surfaces 1 ZIP codes within roughly 10 miles and 3 more in Jefferson County, so 59638 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 59638, Jefferson City, MT · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
617
Population
246.8
Area (sq mi)
3
People / sq mi
Denver
Time Zone
standard
ZIP Type
Who lives in ZIP 59638?
45.1
Median Age
50.8%
Male
49.2%
Female
0.4%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$126,723
Median Household Income
+81% vs state ZIP avg
$48,581
Per Capita Income
0.0%
Poverty Rate
0.0%
Unemployment Rate
How ZIP 59638 ranks among Montana ZIPs
Jefferson City, MT household income vs. every Montana ZIP code
Median household income among 321 reporting Montana ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$126,723 Top 2% higher than 98% of 321 Montana ZIPs
Each bar is a $20K-wide band; taller bars hold more Montana ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
271housing units
271
Total Housing Units
271
Occupied Units
0
Vacant Units
2.84
Avg Household Size
Occupancy Type
2000
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 19 business establishments in ZIP 59638, employing approximately 52 people with a combined annual payroll of $2,188,000.
19
Businesses
52
Employees
$2.2M
Annual Payroll
1
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 10 | 52.6% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 59638 vs 59634 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 59634 | Clancy, MT | 4,819 | 7.5 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 59638, both outside MT so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Jefferson County
Related Areas
Frequently Asked Questions
What county is ZIP code 59638 in?
ZIP code 59638 (Jefferson City) is located in Jefferson County, Montana. Jefferson County contains multiple ZIP codes, see the full list at /counties/jefferson-mt.
What is the population of ZIP code 59638?
ZIP code 59638 in Jefferson City, MT has a population of 617 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 59638?
The median household income in ZIP 59638 is $126,723, which is 66% above the national average of $76,288.
What is the demographic makeup of ZIP 59638?
The largest racial group in ZIP 59638 is White at 96.1%.
How many businesses are in ZIP code 59638?
ZIP code 59638 has 19 business establishments employing approximately 52 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 59638?
In ZIP code 59638, 74.0% of residents aged 25+ have a high school diploma or higher, and 30.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 59638?
In ZIP code 59638, approximately 97.8% of occupied housing units are owner-occupied and 2.2% are renter-occupied, based on Census ACS 2023 data.
Related
Take this with you
What to do with ZIP 59638's numbers, next.
- See how ZIP 59638 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Jefferson City, MT ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.