59231 ZIP Code, Saint Marie, MT

59231 is a ZIP code in Saint Marie, Montana in Valley County. It covers 0.6 square miles of land. The closest ZIP codes are 59248, 59244 and 59273. 306 people live here in 92 households. With about 551 people per square mile it is lightly settled, and most homes are owner-occupied (89%). Median household income is $38,971, well below the Montana median of $72,509.

Quick facts

Key figures

MeasureValue
Residents306
Households92
Median household income$38,971
Income per person$16,911
Median age37.9
Homeowners89.1%
Median home value$18,800
Median rentnot published
Bachelor's degree or higher23.1%
Average commute (minutes)not published
Households with kids under 1810.9%
Moved in the past year2.6%
Below the poverty line23.9%
Broadband internet81.5%
Speak a non-English language at home0.0%

Household income

% of householdsValue
<$10K0.0%
$10–15K18.5%
$15–25K0.0%
$25–35K20.7%
$35–50K18.5%
$50–75K26.1%
$75–100K16.3%
$100–150K0.0%
$150–200K0.0%
$200K+0.0%

Age

% of all residentsValue
<100.0%
10–194.2%
20–248.2%
25–3421.2%
35–4434.6%
45–540.0%
55–642.9%
65–747.2%
75+21.6%

Tenure

% of housing unitsValue
Owned, with mortgage0.6%
Owned outright11.3%
Rented1.5%
Vacant86.6%

Type of building

% of housing unitsValue
Detached house6.8%
Townhome12.2%
2–4 units80.9%
5–19 units0.0%
20+ units0.0%
Mobile / other0.0%

Businesses in 59231

3 business establishments with 11 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

See every USPS carrier route in 59231 with residential and business mailbox counts on the route map. Open the EDDM route map.

Nearby ZIP codes

Areas that include 59231

Mail every home in 59231

Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.

EDDM guides

ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 59231, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 59231 in?
59231 is a Saint Marie, MT mailing address. By land area, 100% lies inside St. Marie.
What county is 59231 in?
59231 is in Valley County.
What is the population of 59231?
About 306 people (±147), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 471.
What is the median household income in 59231?
$38,971 (±$22,088), compared with $72,509 for Montana as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 59231?
EDDM2GO's stored route library does not include 59231 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
What ZIP codes are near 59231?
The closest, measured center to center: 59248 (17.4 mi, Nashua), 59244 (18.5 mi), 59273 (19.5 mi), 59230 (22.2 mi, St. Marie) and 59241 (23.5 mi, Hinsdale).

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.