Counties / Illinois / Adams County

Adams County, IL

FIPS 17001 · population 64,754 · part of Quincy, IL

$187k
Zillow home value · 2026-06
The numbers

What this county costs and earns

Everything here joins on the county FIPS code, so each figure comes from the agency that publishes it with no name matching in between.

Zillow home value
$187k
▲ 6.1% year over year
Zillow ZHVI · direct
Median asking rent
$1,267
▲ 5.5% year over year
Zillow ZORI · direct
Gross yield
8.2%
annual rent ÷ price, before costs
derived: rent × 12 ÷ price ✓
HUD 2-bed standard
$1,064
market rent is 1.19x the standard
HUD Fair Market Rent · direct
Independent price check

Do two methods point the same way?

Zillow estimates a current home value. FHFA tracks repeat mortgage transactions. Their growth rates should be read side by side, not averaged.

Both annual signals move in the same direction
FHFA five-year cumulative+42.6%not annualized · through 2025
0%ZILLOW ZHVI2026-06+6.1%FHFA HPI2025+8.1%
Annual changes use different methods and may use different periods. The comparison checks direction and magnitude; it does not create a blended estimate. Zillow county ZHVI pulled 2026-07-26; FHFA annual county HPI pulled 2026-07-28.
Owner-reported value$163k
Surveyed gross rent$828
Rent burden 30%+40.6%
Median year built1965
Housing composition

Who occupies the stock—and what it is

ACS 2024 5-year
7.9%vacant
30,302estimated housing units
Occupied tenure27.9% renter
owner 72.1%renter 27.9%
Structure mix79.9% single-family
Single-family 79.9%20+ units 3.2%Mobile home 4.5%Other 12.4%
ACS estimates describe the standing housing stock and occupied tenure. They do not measure current listings, transaction prices or asking rents.

Survey source: Census ACS 5-year — county housing value, tenure and stock · ACS 2024 5-year · pulled 2026-07-30. These values describe different housing universes and are not combined into gross yield.

Annual average covered jobs32,382▲ 0.7% from the prior annual release
Covered establishments1,752annual average reporting locations
Average weekly wage$1,085▲ 2.6% from the prior annual release
Largest private supersectorEducation and health services25.6% of disclosed private covered jobs
Local labor base

Jobs, pay and private-sector concentration

2025
0%COVERED JOBS+0.7%WEEKLY WAGE+2.6%Education and health services25.6%
Annual QCEW counts cover jobs located at reporting establishments. The industry share uses disclosed private covered employment; it is not a resident-employment measure or a forecast.

Workplace source: BLS QCEW — county employment and wages · annual county employment and wages 2025 vs 2024 · pulled 2026-07-31. QCEW counts covered jobs located in the county, not employed residents or the metro score’s CES/LAUS series.

County brief

What the local evidence says

01Decision frame

Adams County’s tension is a reported 8.15% gross yield on a $186,630 Zillow median home value, while its visible listing market signals more seller friction. It merits investigation for investors who can verify operating costs and flood exposure; buyers needing quick resale or relying on appreciation should be cautious. The yield uses $1,267 monthly median asking rent before taxes, insurance, vacancy, repairs, management, and financing.

02Housing economics

Zillow’s county median value rose 6.12% year over year and asking rent also increased, supporting the stated gross-yield relationship but not net income. Separately, FHFA’s annual repeat-transaction HPI increased 8.05% and 42.60% cumulatively over five years. It corroborates direction, not a home value or a rate to blend with Zillow’s different-vintage measure. The 1.58% effective property-tax rate is a carrying cost. HUD two-bedroom FMR is a payment standard, not asking rent, and cannot replace market rent in yield analysis.

03Demand & competition

Realtor.com MLS evidence suggests a less forgiving negotiating setting: active listings rose 18.27%, median marketing time was 53 days, and 21.29% of listings had price reductions. These are asking-market supply, timing, and concessions—not sale prices or proof of demand. Of 482 recorded purchases, investor participation was 14.11%, a measure of non-owner occupancy rather than all buyers. Tax-return migration was net negative by 21 households, while incoming movers’ average income trailed outgoing movers’ by $2,752; this limited county-level flow does not identify tenant demand or neighborhood absorption.

04Risk & next checks

Inland flood is the dominant hazard, and modeled annual climate loss equals 0.16% of building value; this is not an insurance quote or dollar loss. QCEW identifies Education and health services as the largest disclosed private supersector, but its annual covered-workplace employment is neither resident employment nor a forecast. Missing vacancy, lease-renewal, unit-condition, operating-expense, insurance, flood-zone, debt, and closed-sale evidence prevents conclusions on net yield, cash flow, resale value, and flood-adjusted return. Next checks are address-level flood and insurance quotes, rent comps, and transaction-level sales.

Cities & communities

Where people live within Adams County

Census-recognized incorporated places and CDPs that intersect this county. The list does not pretend to include every neighborhood or informal community.

Population scale

Largest Census places

ACS 2024 5-year
Quincy city39.1KCamp Point village1.2KMendon village1.2KPayson village1.1KUrsa village726Golden village693Clayton village602Liberty village409
Bars use total place population, not a county-share estimate. An asterisk marks a place that crosses a county line.
Official directory

25 Census places

Population
  1. 01
    Quincy cityIncorporated place
    39,109
  2. 02
    Camp Point villageIncorporated place
    1,230
  3. 03
    Mendon villageIncorporated place
    1,167
  4. 04
    Payson villageIncorporated place
    1,100
  5. 05
    Ursa villageIncorporated place
    726
  6. 06
    Golden villageIncorporated place
    693
  7. 07
    Clayton villageIncorporated place
    602
  8. 08
    Liberty villageIncorporated place
    409
  9. 09
    Loraine villageIncorporated place
    341
  10. 10
    Lima villageIncorporated place
    224
  11. 11
    Coatsburg villageIncorporated place
    209
  12. 12
    Plainville villageIncorporated place
    183
Show 13 more places
  1. 13
    Paloma CDPCensus-designated place
    161
  2. 14
    Burton CDPCensus-designated place
    149
  3. 15
    Kingston CDPCensus-designated place
    132
  4. 16
    Adams CDPCensus-designated place
    106
  5. 17
    Columbus villageIncorporated place
    106
  6. 18
    La Prairie villageIncorporated place
    48
  7. 19
    Marcelline CDPCensus-designated place
    33
  8. 20
    Fowler CDPCensus-designated place
    32
  9. 21
    Meyer CDPCensus-designated place
    22
  10. 22
    Beverly CDPCensus-designated place
    0
  11. 23
    Bloomfield CDPCensus-designated place
    0
  12. 24
    Fall Creek CDPCensus-designated place
    0
  13. 25
    Richfield CDPCensus-designated place
    0

Population is the total place-wide ACS estimate, not an allocated county share. A place crossing a county line is labelled explicitly. Source: Census ACS 5-year — cities and communities · ACS 2024 5-year · pulled 2026-07-30.

Risk, demand and competition

The three things a price does not tell you

01
Risk & carrying costFEMA NRI + Census ACS
Dominant hazardinland flooding

0.156% of building value expected lost per year

Effective property tax1.58%

$2,573 median annual bill

02
DemandIRS SOI household flows
Net migration-21

998 in · 1,019 out

Arriving vs leaving income−$2,752

$61,408 arriving · $64,160 leaving

03
CompetitionHMDA financed purchases
Purchases by investors14.1%

68 of 482 mortgages

investorother financed
Current listing pressure

What sellers and visible supply are doing

Realtor.com® Economic Research · county inventory 2026-06 · pulled 2026-07-28
Active listings123▲ 18.3% year over year
Median days on market53▲ 19.1% year over year
Listings price-reduced21.3%seller-concession signal
Median listing pricen/a▼ 3.6% year over year

Listing price is an asking price, not a closed sale. Quality-flagged county rows are withheld instead of displayed.

Same metro

The other counties in Quincy, IL

A metro is an average of these. Which side of a county line a property sits on can change the tax bill, the hazard profile and the tenant pool.

CountyPopulationPriceRentYieldHazard
Adams County64,754$187k$1,2678.2%inland flooding
Lewis County9,924$213kn/an/ainland flooding
Bear case

What can break the county thesis

  1. Address-level flood exposure or insurance costs could overwhelm the pre-cost gross yield.
  2. Visible listing-market weakness could lead to weaker realized exit pricing than the asking-market evidence suggests.
  3. County median rent and migration data may not represent a specific unit’s achievable rent, vacancy, or tenant base.
Underwriting questions

Before pricing a property

Can the reported gross yield be read as cash flow?

No. It is before taxes, insurance, vacancy, repairs, management, financing, and other operating costs; the record does not provide net operating income.

Do the Realtor.com measures establish closed-sale buyer demand?

No. They describe MLS listing supply, asking-market timing, and price reductions rather than completed transactions.

What does QCEW employment represent here?

It represents annual covered employment at workplaces in the county, not resident employment, unemployment, or a forecast.