PlainZIP

Trenary, MI · standard

ZIP Code 49891

Alger County, Michigan - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

816
4/sq mi
$46,063
Median income
$126,300
Median home value
15.6%
Bachelor's or higher

National ZIP placement

Trenary pairs one of the lowest household incomes in the country with among the most affordable home values nationally, in a rural, homeowner-dominated area.

10th pct
household income, US ZIPs
19th pct
home value, US ZIPs
4
people per sq mi
99%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 49891 against every reporting US ZIP.

ZIP code 49891 is a sparsely populated ZIP (a standard USPS delivery area) in Trenary, Alger County, Michigan, home to just 816 residents across 220.5 square miles, a density of 4 people per square mile, in the Detroit time zone.

ZIP 49891 reports a modest median household income of $46,063 (37% below the average Michigan ZIP), while per-capita income is $26,824. Unemployment is 10.5%, an important qualifier alongside the household-income figure. Home values sit below the statewide ZIP benchmark: the median is $126,300 (42% below the average Michigan ZIP); owner occupancy is 99.1%.

Educational attainment sits below the national norm: 15.6% of adults hold a bachelor's degree or higher, the median age is 47.7, and the average commute is -. The page also surfaces 3 ZIP codes within roughly 10 miles and 6 more in Alger County, so 49891 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 →

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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 49891, Trenary, MI · 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

816

Population

220.5

Area (sq mi)

4

People / sq mi

Detroit

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 49891?

47.7

Median Age

49.6%

Male

50.4%

Female

0.0%

Foreign-Born

White 97.6%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 2.4%
Hispanic or Latino 1.1%

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?

$46,063

Median Household Income

-37% vs state ZIP avg

$26,824

Per Capita Income

10.9%

Poverty Rate

10.5%

Unemployment Rate

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 55.8%
Bachelor's Degree or Higher 15.6%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

384

Total Housing Units

225

Occupied Units

159

Vacant Units

2.44

Avg Household Size

Occupancy Type

Owner 99.1%
Renter 0.9%

$126,300

Median Home Value

-42% vs state ZIP avg

1970

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 11 business establishments in ZIP 49891, employing approximately 63 people with a combined annual payroll of $1,542,000.

11

Businesses

63

Employees

$1.5M

Annual Payroll

1

Industry Sectors

Industry Establishments % of Total
Retail trade 3 27.3%

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 49891 vs 49826 →

ZIP 49891 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 49891 ranks the most populous - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 49891 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 49891 ranks #4 of 4 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
49826 Rumely, MI 137 8.1 mi
49825 Eben Junction, MI 299 8.4 mi
49816 Chatham, MI 724 7.2 mi

Nationwide ZIPs with similar ACS profiles

Two Census-derived peer sets for ZIP 49891, both outside MI 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.

63837 · Clarkton, MO $46,066 31794 · Tifton, GA $46,056 40504 · Lexington, KY $46,055 71023 · Doyline, LA $46,055

More ZIP Codes in Alger County

49862 standard
Munising, MI
Pop: 5,025
49895 standard
Wetmore, MI
Pop: 765
49816 standard
Chatham, MI
Pop: 724
49806 standard
Au Train, MI
Pop: 627
49884 standard
Shingleton, MI
Pop: 552
49839 standard
Grand Marais, MI
Pop: 479

Related Areas

Alger County Trenary, MI Michigan

Frequently Asked Questions

What county is ZIP code 49891 in? ▼
ZIP code 49891 (Trenary) is located in Alger County, Michigan. Alger County contains multiple ZIP codes, see the full list at /counties/alger-mi.
What is the population of ZIP code 49891? ▼
ZIP code 49891 in Trenary, MI has a population of 816 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 49891? ▼
The median household income in ZIP 49891 is $46,063, which is 40% below the national average of $76,288.
What is the average home value in ZIP 49891? ▼
The median home value in ZIP 49891 is $126,300, which is 55% below the national average of $278,155.
What is the demographic makeup of ZIP 49891? ▼
The largest racial group in ZIP 49891 is White at 97.6%. Hispanic or Latino residents make up 1.1% of the population.
How many businesses are in ZIP code 49891? ▼
ZIP code 49891 has 11 business establishments employing approximately 63 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 49891? ▼
In ZIP code 49891, 55.8% of residents aged 25+ have a high school diploma or higher, and 15.6% 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 49891? ▼
In ZIP code 49891, approximately 99.1% of occupied housing units are owner-occupied and 0.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 49891? ▼
The poverty rate in ZIP code 49891 is 10.9% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Related

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Read our methodology : how this data is sourced, computed, and verified.

This page explains the source records, calculation, and limits behind the figures shown. ZIP-level Census records are displayed directly; county, state, and national comparisons are calculated from those published records. Read our editorial standards and corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-08-06.