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Market insights · New Mexico

Sierra County, NM: growth, migration and housing

Sierra County has 11,395 residents, down 1.4% since 2020 (-0.2% in the last year). In 2022–2023, 347 households moved in and 303 moved out (+44 net), bringing in a net $5.2M of income. Median household income is $41,600, the median home $152,600 and median rent $729 a month.

Population (2025)11,395
5-year growth-1.4%
1-year growth-0.2%
Net households moving in+44
Per 1,000 residents+3.9
Net income moving in+$5.2M
Median household income$41,600
Median home value$152,600
Median rent$729/mo
Rent as share of income21%

In New Mexico: 18th of 33 counties for 5-year population growth · 6th of 32 counties for net in-migration (per resident) · 30th of 32 counties for median household income · 22nd of 33 counties for median home value.

Where new residents came from

Top counties by households (tax returns) moving to Sierra County, 2022–2023 (IRS).

FromHouseholds (tax returns)Their income (AGI)
Doña Ana County, NM69$2.5M
Bernalillo County, NM29$1.9M

Where leavers went

Top counties by households leaving Sierra County, 2022–2023 (IRS).

ToHouseholds (tax returns)Their income (AGI)
Doña Ana County, NM45$1.2M

BizyFi in Sierra County

No companies in the BizyFi directory are based here yet. Search them on the company map (company names with a free account), or browse New Mexico companies.

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Sources: U.S. Census Bureau population estimates (vintage 2025), American Community Survey 5-year (2024), and IRS Statistics of Income county-to-county migration data (2022–2023). Migration counts are tax returns (roughly households) moving between U.S. counties; the IRS suppresses very small flows. Growth rates, per-1,000 figures, rent share and state ranks are BizyFi calculations. Data updated 2026-10-17. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.