ZIP Code Tabulation Area · New Mexico

ZIP Code 87931: Sierra County, NM

ZIP Code 87931 (Sierra County, New Mexico) has an estimated 703 residents in 406 households. The median household income is —, the median home value is — and the median gross rent is —. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated Oct 26, 2026

Some estimates have a large margin of error. 5 figures for this ZIP (poverty rate, unemployment, bachelor's or higher, owner-occupied, work from home) are marked with *. ACS figures come from a sample, and small areas have fewer responses, so treat these numbers as rough ranges.

Total population

703

Margin of error ±336

Median household income

—

Margin of error not available

Median home value

—

Margin of error not available

Median gross rent

—

Margin of error not available

Median age

71.6 yrs

Margin of error ±2.2 yrs

Mean travel time to work

—

Margin of error not available

How ZIP 87931 compares with New Mexico and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 8793171.6 yrsNew Mexico39.4 yrsUnited States38.9 yrs

Median household income

ZIP 87931—New Mexico$64,059United States$80,734

Per capita income

ZIP 87931$31,879New Mexico$36,218United States$44,673

Poverty rate

ZIP 8793122.2%*New Mexico17.8%United States12.5%

Unemployment rate

ZIP 879310.0%*New Mexico6.0%United States5.2%

Bachelor's degree or higher

ZIP 8793116.2%*New Mexico31.0%United States35.7%

Median home value

ZIP 87931—New Mexico$248,100United States$332,700

Median gross rent

ZIP 87931—New Mexico$1,067/moUnited States$1,413/mo

Owner-occupied homes

ZIP 8793175.1%*New Mexico70.0%United States65.2%

Mean travel time to work

ZIP 87931—New Mexico23.5 minUnited States26.4 min

Worked from home

ZIP 879310.0%*New Mexico12.2%United States15.1%

All figures for ZIP 87931

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 87931 — ACS 2020–2024 5-year estimates
Measure	ZIP 87931	Margin of error	New Mexico	United States
Total population	703	±336	2,120,246	334,922,499
Median age	71.6 yrs	±2.2 yrs	39.4 yrs	38.9 yrs
Households	406	±181	837,414	129,227,496
Median household income	—	—	$64,059	$80,734
Per capita income	$31,879	±$8,401	$36,218	$44,673
Poverty rate	22.2%*	±10.7 pts	17.8%	12.5%
Unemployment rate	0.0%*	±10.5 pts	6.0%	5.2%
Bachelor's degree or higher	16.2%*	±11.9 pts	31.0%	35.7%
Median home value	—	—	$248,100	$332,700
Median gross rent	—	—	$1,067/mo	$1,413/mo
Owner-occupied homes	75.1%*	±14.4 pts	70.0%	65.2%
Mean travel time to work	—	—	23.5 min	26.4 min
Worked from home	0.0%*	±10.5 pts	12.2%	15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 87931
Group	ZIP 87931	New Mexico	United States
White alone, not Hispanic or Latino	71.6%	36.0%	57.4%
Black or African American alone, not Hispanic or Latino	0.0%	1.8%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	0.0%	8.5%	0.5%
Asian alone, not Hispanic or Latino	0.0%	1.6%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.0%	0.1%	0.2%
Some other race alone, not Hispanic or Latino	0.0%	0.5%	0.6%
Two or more races, not Hispanic or Latino	22.3%	3.1%	4.3%
Hispanic or Latino (of any race)	6.1%	48.4%	19.3%

Where ZIP 87931 is

State: New Mexico
Main county: Sierra County
Largest overlapping place: Oasis (1% of the ZIP's land area)
Land area: 166.70 sq mi· about 4 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Sierra County

87901 Sierra County, NM 87930 Sierra County, NM 87935 Sierra County, NM 87939 Sierra County, NM 87942 Sierra County, NM 87943 Sierra County, NM 88042 Sierra County, NM

See every ZIP code in New Mexico, or compare ZIP 87931 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.