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US ZIP Code Profile

ZIP Code 76673
Mount Calm, Texas

ZIP code 76673 is in Mount Calm, located in Hill County, Texas. Its 2020 Census population was 1,176. The estimated median adjusted gross income per tax return is $44,643.

2020 Population
1,176
Census ZCTA
County
Hill
FIPS 48217
Median income (est.)
$44,643
IRS SOI 2022
Land Area
92.314 mi²
+ 1.177 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityMount Calm, TX
CountyHill County (FIPS 48217)
StateTexas (FIPS 48)
Census Region / DivisionSouth Region · West South Central Division
Coordinates31.751024, -96.891754
Land / Water Area92.314 mi² land · 1.177 mi² water

02Income & Economics

Distribution of the 520 individual tax returns filed in 76673 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
28.8%
$25K–$50K
26.9%
$50K–$75K
15.4%
$75K–$100K
9.6%
$100K–$200K
19.2%
$200K+
0.0%
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 76673's IRS income metrics, 2020–2022.

Median income (2021→2022)
$44,643
▲ 8.0%
Filers earning $200K+
0.0%
▲ 0.0 pt
Total filers
520
▲ 2.0%
GET /zipc/v2/zipcodes/76673/soi?year=… $40K 2020 $41K 2021 $45K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 76673 ZCTA.

2000
897
 
2010
1,187
▲ +32.3%
2020
1,176
▼ -0.9%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number486135
City AliasesMount Calm, Birome

06Frequently Asked Questions

What county is ZIP code 76673 in?

ZIP code 76673 is in Hill County, Texas (county FIPS code 48217).

What city is ZIP code 76673?

The primary USPS city for 76673 is Mount Calm, TX.

What is the population of ZIP code 76673?

The 2020 Census population of 76673 was 1,176 residents.

What is the median income in ZIP code 76673?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 76673 is about $44,643. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.