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Market insights · Missouri

Clark County, MO: growth, migration and housing

Clark County has 6,475 residents, down 2.8% since 2020 (-1.7% in the last year). In 2022–2023, 90 households moved in and 131 moved out (-41 net), while a net $2.8M of income left. Median household income is $51,781, the median home $130,700 and median rent $612 a month.

Population (2025)6,475
5-year growth-2.8%
1-year growth-1.7%
Net households moving in-41
Per 1,000 residents-6.3
Net income moving in-$2.8M
Median household income$51,781
Median home value$130,700
Median rent$612/mo
Rent as share of income14%

In Missouri: 105th of 115 counties for 5-year population growth · 111th of 115 counties for net in-migration (per resident) · 95th of 115 counties for median household income · 94th of 115 counties for median home value.

Where new residents came from

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

FromHouseholds (tax returns)Their income (AGI)
Lee County, IA20$1.3M

Where leavers went

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

The IRS publishes no county-level flows for Clark County (it suppresses flows of fewer than 20 households).

BizyFi in Clark 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 Missouri 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.